Avast Free Antivirus Changelog

What's new in Avast Free Antivirus 19.1.2357 Beta

November 29th, 2018
  • What's new:
  • Fully 64bit version (one installer, contains both versions)
  • 19.1 version can`t be installed on Windows XP/Vista
  • Deep network scan research participation possibility at the end of Wi-Fi inspector scan (only on some networks)
  • Improved network detection in Firewall
  • Redesigned global settings. There is a specific thread about new settings (report bugs, suggest improvements, discuss, hate, whatever ;-) - http://forum.avast.com/index.php?topic=221665.0
  • What was fixed:
  • Avast notifications disappear in some cases
  • SecureDNS not turned ON after "OFF time" passes
  • FW not running after upgrade from free to premier
  • AntiRootkit and AntiExploit setting needs service restart to apply changes
  • Reset settings to default does not affect firewall settings
  • BSOD because of IDP
  • Result of boot time scan is not in history
  • Switched values (threat type and URL) in Web Shield detection dialog
  • Add & Modify components started from UI is opened in background
  • ARP spoofing protection and scan fixes
  • Known issues:
  • Only latest online installer can be used for installation
  • Dialog about requested restart is not displayed after manual update
  • Smart Scan - no bad browser add-ons detected on x64 systems
  • Data Shredder crashes on x64 systems
  • DND does not start for Windows Store Apps

New in Avast Free Antivirus 18.8.2356 (November 16th, 2018)

  • Fixed critical vulnerability
  • Last version for Windows XP/Vista

New in Avast Free Antivirus 18.8.2356 Beta (November 15th, 2018)

  • We did just quick repack of previous build - no major changes, just final tuning before release

New in Avast Free Antivirus 18.7.4041 (October 11th, 2018)

  • For 2019, Security is more than Protection and Privacy
  • Ease of use and security are natural allies for creating a secure digital life:
  • This year Avast was thrilled to celebrate 30 years of security protection for consumers. We have a mission to protect our users from the most vicious and unknown online threats at all times. The Avast Threat Labs on a moment to moment basis is aware of the must illusive and nastiest of malware on any given day. It is job #1 to protect digital users from the myriad of threats they stumble upon every day. In today’s digital world with bad actors like WannaCry and CryptoLocker ransomware attacks and incessant data breaches being a part of life today. Users are all too familiar with the fact that they need reliable digital security from a brand who has created secure digital lives for people all over the world.
  • This year, as many users are very focused on personal privacy we are adding a feature designed to improve our privacy offense. We have developed a feature called Sensitive Data Shield that helps keep personal files with personal data away from unwanted eyes or potential thieves. Personal documents such as individual health documents, travel or ID documents, personal photos or even personnel files for your own business under lock and key so that only the authorized user can view them.
  • Also, in the 2019 edition, the focus included adding value in the overall user experience. Like a commuter who drives long hours to work, the PC user who spends hours on the PC, wants the whole ride to be smooth and without glitches. With the introduction of our new feature, Do Not Disturb, we take our former “Game Mode” feature and amplified the user scenarios it can enhance.
  • This feature now disables annoying notifications and interruptions by upgrading it to a feature that is designed to improve the user’s experience whether they are playing games, watching a movie, or sharing a slideshow or presentation for family or friends.
  • Do Not Disturb mode means you never have to experience annoying or embarrassing notifications or IM’s while presenting or sharing again. Remember when you were using your laptop to present some data to some co-workers and your children continually IM’d you to pick up ice cream and dog food on the way home? Now, with Do Not Disturb mode, you are safe. And, the best part is that it is automatic, it naturally activates when you go into “presentation mode” on your PC.
  • What’s NEW in version 2019:
  • Do Not Disturb Mode:
  • Avast’s new Do Not Disturb Mode silences notifications while you’re running an app in fullscreen. Windows notifications, popups from other apps, and even our own Avast antivirus notifications are all blocked to keep distractions at bay.
  • Do Not Disturb Mode is a re-design of our previous Game Mode feature, which was limited to only fullscreen games. This new feature works with nearly any app running fullscreen and is included in all our antivirus offerings, from Avast Free Antivirus to Avast Premium. (Existing users will receive it via an automatic update.)
  • Sensitive Data Shield:
  • Tax files, health records, travel documents, and other sensitive documents are prime targets for hackers and identity thieves. Spyware can find these documents on your computer in just seconds, giving them full access to your name, address, birthdate, social security number, and more.
  • Sensitive Data Shield provides an extra layer of spyware protection, beyond what the free antivirus offers. Using advanced algorithms, it scans your computer for documents containing names, addresses, phone numbers, and other data it thinks you’d want to keep private. If it finds any, it will offer to seal them off from unknown apps and spyware.
  • There’s no need to move your files or hide them in a secret folder, either. Sensitive Data Shield keeps everything right where you left it, and protects it all automatically. With Sensitive Data Shield, only trusted apps (e.g., Adobe Reader, Microsoft Word, etc.) can access or copy your private documents. Anything else is automatically blocked — unless you approve.
  • Anti Phishing:
  • Phishing is big business, and it’s only getting bigger. Leading security companies and major carriers are noting dramatic increases in consumers falling prey to phishing lures. In 2017, Verizon reported that even after training, one in 14 users was attacked with spear phishing, spoofing, or impersonation emails or mobile text messages.
  • In light of this, we’ve tuned up our anti-phishing feature to deliver more advanced protection. With enhanced anti-phishing technology, your browser can now identify phishing sites without the need for a browser extension. Quicker scans now occur every five minutes ensuring safer browsing, without any delays to the browsing experience.
  • Other changes:
  • Passwords now synchronize even better
  • Smart Scan now shows you the results of completed scans if you stop it before it’s finished
  • Software Updater has moved in menu from Protection to Performance
  • Fixed:
  • You can now minimize games without trouble after a few minutes of play
  • No more duplicate dialogs when we detect a phishing scam
  • We’ve taken care of those connection problems while activating subscriptions
  • We’ve caught and fixed a bug messing with the Windows Security Center registration after a Windows Update

New in Avast Free Antivirus 18.7.2353 Build 18.7.4035 Beta (October 4th, 2018)

  • What's new:
  • This beta contains bug fixes only
  • What was fixed:
  • Improvement in DNS resolving, should fix problems with update and license activation
  • Crashes in Do Not Disturb mode
  • Problem with minimizing games after few minutes of playing
  • Passwords crashes
  • Changes in settings (only for beta, it won't be part of stable 18.7 release):
  • Old settings will be used XP and Vista
  • New settings will be used Windows 7 and higher

New in Avast Free Antivirus 18.7.2352 Build 18.7.4021 Beta (September 28th, 2018)

  • What's new:
  • Changes in settings (only for beta, it won't be part of stable 18.7 release)
  • Old settings will be used XP and Vista
  • New settings will be used Windows 7 and higher
  • What was fixed:
  • Avast Passwords - Synchronizations between devices
  • Two detection dialogs when phishing detected
  • License activation issues in Russia
  • Other minor stabilization fixes
  • Known issues:
  • Some new settings sections are still not ready yet

New in Avast Free Antivirus 18.7.2350 Build 18.7.3994 Beta (September 4th, 2018)

  • What's new:
  • We are introducing new style of our settings. The new settings have fresh and simplified modern look and feel. We reduced the number of items so now the most important ones are visible now. The advanced settings have been moved to a secret section named Geek Area, This secret section is available via search - just fill there "geek:area" - whole string has to be written for entrance to the section. Setting are incomplete, couple sections are still in development. We are hungry to hear your feedback, what do you think, do you like them? All your comments, ideas are appreciated and will be discussed by UI team.
  • For discussion about settings use this thread -
  • What was fixed:
  • Issues with installation and re-installation of the Emergency Update component
  • Installation and update of driver related to the SafeZone / Secure Browser bank mode

New in Avast Free Antivirus 18.6.2349 Build 18.6.3983 RC (August 20th, 2018)

  • This is the Release Candidate for PUBLIC channel with final "tunning" changes

New in Avast Free Antivirus 18.6.2348 Build 18.6.3977 Beta (August 17th, 2018)

  • Fixed:
  • Reporting Antivirus and Firewall state to the Windows Security Center after performed upgrade or downgrade

New in Avast Free Antivirus 18.6.2347 Build 18.6.3973 Beta (August 14th, 2018)

  • Fixed:
  • Leak in self protection
  • Fixed crashes related to TLS 1.3 support
  • Fixed Site Blocking - it can be enabled once again
  • Windows XP: CybeCapture does not send suspicious file to
  • DND mode - maximize performance option is enabled after DND mode disabled in single app
  • DND mode - several stability fixes and improvements
  • DND mode - incorrect basic settings behavior

New in Avast Free Antivirus 18.6.2347 Build 18.6.3956 Beta (August 14th, 2018)

  • Fixed:
  • Leak in self protection
  • Fixed crashes related to TLS 1.3 support
  • Fixed Site Blocking - it can be enabled once again
  • Windows XP: CybeCapture does not send suspicious file to
  • DND mode - maximize performance option is enabled after DND mode disabled in single app
  • DND mode - several stability fixes and improvements
  • DND mode - incorrect basic settings behavior

New in Avast Free Antivirus 18.6.2346 Build 18.6.3956 Beta (August 3rd, 2018)

  • New Features:
  • Migration of Secureline VPN addon to stand-alone SecureLine VPN app
  • VPN addon is not offered during clean AV install anymore
  • If user has VPN addon licensed, then it's automatically switched to standalone VPN, otherwise the addon is uninstalled. The user can install easily standalone VPN anytime later from AV user interface
  • DND mode - Basic setting available in Components
  • TLS 1.3 scanning support in Web Shield
  • Full support in Firefox
  • Chrome only with Draft 28
  • Internet Explorer, Edge do not support TLS 1.3
  • What was fixed:
  • Fixed occasional DNS resolve time-outs
  • Fixed issues with loading of sites using EV certificate
  • DND mode - "new app added" toaster does not appear in some cases

New in Avast Free Antivirus 18.6.2345 Build 18.6.3952 Beta (July 26th, 2018)

  • New Features:
  • DND mode - app detection based on internal DB is active after app goes to fullscreen
  • Improved compatibility between Do not Disturb mode and the MS Windows Notification Center (MS Windows 10)
  • What was fixed:
  • DND mode - working correctly in Firefox
  • DND mode - detection based fixes and minor improvements
  • Fixed service start delay when no internet connection is available
  • crashing of Antivirus service when updating existing license for Password Protection product
  • DND mode - fixed blocking from Windows Notification Center
  • crash of Antivirus service on Windows 10 RS5 and compatibility with its Edge browser
  • not displaying confirmation dialog related to disabling the Webcam shield and Sensitive Data Shield components
  • crashing reporting to Windows Security Center under some circumstances
  • Fixed HNS (WiFi Inspector) related BSOD
  • conflict when handling UDP packets (mainly by Fake Website Shield component) modified by 3rd party products

New in Avast Free Antivirus 18.6.2344 Build 18.6.3946 Beta (July 23rd, 2018)

  • What was fixed:
  • DND mode - application whitelist/blacklist heavily modified
  • DND mode - several optimalization for 3rd party app blocking
  • several issues in licensing component (client as well as backend side)
  • blocking standard websites by Web Shield component
  • sometimes blocking TLS 1.3 connections

New in Avast Free Antivirus 18.5.2341 Build 18.5.3921 Beta (June 11th, 2018)

  • What's new:
  • New EULA
  • What was fixed:
  • Fixed - Skype popups are now correctly blocked by gaming mode
  • Fixed - not running AV service after enabling passive mode
  • Fixed - Missing text in passive mode enabling/disabling dialogue

New in Avast Free Antivirus 18.5.2339 Build 18.5.3907 Beta (May 24th, 2018)

  • What's new:
  • Added "restore as" option to virus chest
  • New hover tooltip on tray icon for unread notifications
  • UI should not be started after update or restart until AV service is running (this should prevent the UI "service is not running" state)
  • New download mechanism for installation and update files
  • What was fixed:
  • Fixed - Presentation apps should not trigger "Game was added" toasters
  • Fixed - Notification rules are not activated in FS when GM is on
  • Fixed link in systray to open License information
  • Visual fixes to chrome offer in setup
  • BSOD fixes, crash fixes
  • Fixed reporting of Firewall state to Windows Defender Security Center

New in Avast Free Antivirus 18.4.2338 Build 18.4.3895.0 (May 11th, 2018)

  • Detection dialogues for Anti-exploit and Anti-rootkit Shields
  • My Licenses section
  • Dropdown menu in top bar
  • Earn Rewards program
  • Wi-Fi Inspector redesign
  • GDPR compliance
  • Fixed a few crashes related to Firewall drivers
  • "Scanning in progress" is no longer reported in tray after install
  • Toaster from Game Mode is not shown when Silent Mode is enabled
  • UI not responding when shields are disabled
  • Behavior Shield crashes

New in Avast Free Antivirus 18.4.2337 Build 18.4.3892.0 Beta (May 3rd, 2018)

  • What`s new:
  • New desing of Wi-Fi Inspector:
  • New map of devices
  • Easier to change device type
  • Different scans for public and private networks
  • What was fixed:
  • GDPR compliance: added new options in Privacy section in General Settings ( paid programs)
  • Setup: UI is now installed in second phase of setup. It should have positive impact on installation success and installation speed

New in Avast Free Antivirus 18.4.2336 Build 18.4.3877.0 Beta (April 19th, 2018)

  • What was fixed:
  • Web Shield: Connection aborted but detection dialog was not displayed in some cases
  • Antispam: Updated detection module
  • BSOD caused by Wi-fi Inspector

New in Avast Free Antivirus 18.4.2335 Build 18.4.3871.0 Beta (April 12th, 2018)

  • What's new:
  • Improved license dialog, where the user can choose, which licenses to use
  • What was fixed:
  • Fixed few crashes related to Firewall drivers

New in Avast Free Antivirus 18.4.2334 Build 18.4.3865.0 Beta (April 9th, 2018)

  • What's new:
  • New Anti-rootkit and Anti-exploit detection dialogs
  • New subscription screen:
  • Subscription screen moved from Settings to the new menu in header (more items to follow)
  • Possibility to easier license via account
  • Implementation still in progress
  • Please go through this new section and report any issue you find
  • What was fixed:
  • "Scanning in progress" is no longer reported in tray after install
  • Toaster from Game Mode is not shown when Silent mode enabled
  • UI does not hang or not responding when disable shields

New in Avast Free Antivirus 18.3.2331 Build 18.3.3851.0 Beta (March 22nd, 2018)

  • Fixed Bugs:
  • Problems with starting the Behavior Shield service
  • Problems with showing components based on subscription state (as mentioned above)
  • A few program crashes reported over the client

New in Avast Free Antivirus 18.3.2330 Build 18.3.3847.0 Beta (March 19th, 2018)

  • New Features & Improvements:
  • New internal implementation of localization in Avast UI - opening of Avast UI is faster now
  • Passwords component has new settings
  • Fixed Bugs:
  • Game Mode toaster about newly added game does not slide back
  • Network connection does not work after installation of missing FW component
  • Some components (e.g. Real Site) turned on after restart automatically although turned off permanently by user
  • Firewall blocking emails over IPv6

New in Avast Free Antivirus 18.3.2329 Build 18.3.3831.0 Beta (March 8th, 2018)

  • Fixed displaying welcome screen after the installation is finished
  • Fixed restoring files from virus chest (files were not restored but were deleted)
  • Fixed a few program crashes

New in Avast Free Antivirus 18.2.2328 Build 18.2.3827.0 Beta (February 28th, 2018)

  • Fixed:
  • Fixed problems with rescue disk creation
  • Fixed crashes reported by users

New in Avast Free Antivirus 18.2.2327 Build 18.2.3809.0 Beta (February 20th, 2018)

  • New:
  • When Silent scan is ON and detection is made then this detection is added to Notification Center
  • Fixed:
  • Tray icon animation fixed
  • Right-click scan from Windows Explorer fixed
  • Fixed missing text when right clicked on Recycle Bin
  • Fixed auto shutdown after scheduled scans
  • Fixed missing Compatibility scan in Smart Scan
  • and 50 other minor bugs

New in Avast Free Antivirus 18.1.2325 Build 18.1.3794.0 Beta (February 2nd, 2018)

  • Changes:
  • Avast AntiTrack is now available also in Avast UI under Privacy tile
  • Bug fixes:
  • Fixed product crashes

New in Avast Free Antivirus 18.1.2324 Build 18.1.3787.0 Beta (January 26th, 2018)

  • Changes:
  • NEW PRODUCT - Avast AntiTrack
  • New Anti-Exploit module for better protection against exploits, shellcode and other malicious PE files
  • Changes in minimal installation components (now Behavioral shield is included)
  • In case that DNS does not resolve our installation and update URLs correctly, the program will use Google DNS servers
  • Bug fixes:
  • Fixed bug when games were minimizing themselves every 30 minutes
  • Fixed problems with Outlook plugin
  • Fixed name of Avast window in task bar
  • Fixed Help screen (help was not displaying proper page on some places in UI - typically in settings)
  • Fixed Boot Time Scan
  • Fixed bug which caused that Last computer scan time was not displayed correctly

New in Avast Free Antivirus 18.1.2323 Build 18.1.3769.0 Beta (January 12th, 2018)

  • Changes:
  • It is possible to add more files into virus chest at once
  • Improved dump creation when our process crashes
  • Better handling of multiple opened Avast windows
  • Added support for fallback download server (using HTTPS) in setup in case standard servers don't work
  • Warning is displayed when logging off from windows during installation (so installation is finished properly)
  • Optimized scanning of downloaded executable files
  • Bug fixes:
  • Fixed scanning of files in Virus Chest
  • Fixed wrong text in Recycle Bin context menu
  • Avast UI crashes fixed
  • Avast Clear now works properly on Win XP

New in Avast Free Antivirus 17.9.2322 Build 17.9.3761.0 (December 22nd, 2017)

  • What's new:
  • Now you can send feedback and bug reports from Settings > About
  • Recycle Bin content can now be shredded via Windows contextual menu (Avast Premier only)
  • Redesigned Scan & Shields screens in the Protection menu for easier navigation
  • Redesigned Avast Passwords UI for easier use
  • More detailed status reporting to Windows Security Center in Windows 10 Fall Creators Update
  • Nested virtualization support for AMD CPUs
  • Better proxy detection by setup and update from Windows settings
  • Fixed:
  • Fixed a problem with white UI (you might see more processes AvastUI.exe now, but that's OK)
  • Sensitive Data Shield now works with Windows XP and Vista
  • Anti-Phishing Protection in Web Shield now works with Windows XP
  • Clicking Scan Details in the Notification Center no longer starts another scan
  • Fixed Avast service crash when a license expires
  • Fixed performance scan in Performance > Cleanup Premium
  • Fixed issue where Behavior Shield sometimes cut off a user’s Internet connection
  • False positives can now be reported directly from threat detection warnings (File Shield)
  • Fixed boot issue on Windows XP when Virtual PC driver is installed
  • Fixed BSOD caused by conflict between DELL percsas3 and Avast Self-defense drivers

New in Avast Free Antivirus 17.9.2322 Build 17.9.3761.0 Beta (December 20th, 2017)

  • Changes / Fixed Bugs:
  • Fixed crash of Avast service during computer shutdown
  • Added localization for new features in 17.9

New in Avast Free Antivirus 17.9.2321 Build 17.9.3757.0 Beta (December 15th, 2017)

  • Changes / Fixed Bugs:
  • Fixed missing tray icon in some cases
  • Fixed Avast service deadlock caused by Wi-Fi Inspector
  • Avast service does not crash if Passwords user is having login record without url stored and navigates to Password tab in GUI with debug logging enabled
  • Passwords Guardian popup informing about possible leaked logins is no longer shown to all users regardless the license

New in Avast Free Antivirus 17.9.2320 Build 17.9.3748.0 Beta (December 7th, 2017)

  • Changes / Fixed Bugs:
  • Click on Scan Details in Notification Center does not execute another scan anymore
  • Changes related to "Send for analysis" option located in Virus Chest
  • Fixed crash of Avast service when license expires
  • Smart Scan does not freeze anymore
  • Fixed performance scan in Performance→Cleanup Premium
  • Fixed problems with Behavior shield, that cut off internet connection
  • Possibility to report false positive directly from detection dialog (File Shield)
  • Passwords GUI redesigned
  • Passwords Guardian feature improvements

New in Avast Free Antivirus 17.9.2319 Build 17.9.3725.0 Beta (November 24th, 2017)

  • NEW Features:
  • Feedback Form in Settings->About
  • Possible to shred Recycle Bin via context menu (Data Shredder)
  • Better proxy detection by setup and update from Windows settings
  • Nested virtualization support for AMD CPU
  • New Scan & Shield section in UI
  • Changes / Fixed Bugs:
  • Antirootkit monitoring that is responsible for catching unknown malware
  • Fixed boot issue on Windows XP when Virtual PC driver is installed
  • Fixed BSOD caused by conflict between DELL percsas3 and aswSP drivers
  • Sensitive Data Shield is now able to perform scan on Windows XP and Vista
  • Antiphishing works on Windows XP

New in Avast Free Antivirus 17.8.2318 Build 17.8.3705.0 (November 17th, 2017)

  • Fixed issues with deleting Firewall rules during program update
  • Fixed issues with Passive mode
  • Added support for custom folders in Ransomware shield
  • Fixed repeating scheduled scans
  • Fixed update action from Windows Security Center
  • Polishing of Virus Chest
  • Fixed issue with Gmail signature (007 error) that was breaking outgoing emails
  • Fixed Firewall new network toaster to set the correct profile

New in Avast Free Antivirus 17.8.2317 Build 17.8.3701.0 Beta (November 3rd, 2017)

  • Fixed Bugs:
  • Firewall component status reporting
  • Real Site (Secure DNS) component crashing
  • Issue related to in-product messaging causing the service to consume abnormal CPU resources
  • Service crashing when license file is not present
  • Update execution from Windows Security Center when product is outdated
  • Restoring of malware from the virus Chest detected by Behavioral Shield when removal required computer restart
  • Displaying toaster for Smart Scan when it is executed and User Interface is closed
  • User Interface crashing when all options in Smart Scan were disabled
  • Accepting special characters (such as <, >, etc.) in displaying toasters (such as Firewall - new network detection)
  • Behavioral Shield does not display detection dialog when any of the automatic modes is enabled
  • Restore dialog in Chest is correctly in CEF now
  • User Interface crashing when Firewall button was used in displayed Firewall toaster
  • Issue with creating Rescue USB disc on some (usually older ones) types of USB flash drives
  • Scheduled daily scan is now always run on time

New in Avast Free Antivirus 17.8.2316 Build 17.8.3693.0 Beta (October 27th, 2017)

  • What's new:
  • Reporting more statuses to Windows Security Center on latest Windows 10 Fall's Creators Update
  • Fixed Bugs:
  • Fixed BSOD on x64 systems caused by Sandbox driver
  • Fixed crashing User Interface when Sign-In in is used
  • Fixed resetting Game Mode rules to default (all ON) after service (computer) restart
  • Fixed Avast service exceptions creating dumps of it (without service crash)
  • Fixed issue with Gmail signature (007 error) that was breaking outgoing emails
  • Fixed Firewall new network toaster to set the correct profile
  • Fixed several issues in passive mode (e.g. Avast in passive mode when no other Antivirus solution is installed, Avast in passive mode when another Antivirus client is installed as second etc.)
  • And several other internal fixes and tweaks of the product.

New in Avast Free Antivirus 17.7.2313 Build 17.7.3652.0 Beta (September 28th, 2017)

  • What's new:
  • New Virus Chest - it's now part of main UI, more easily accessible via main navigation
  • Improved low level optimizations for AMD Ryzen CPUs
  • New Webcam shield that checks which apps are trying to turn on your webcam
  • 3 modes:
  • Smart mode (default) - we allow trusted apps and ask to grant access for unknown apps
  • Strict mode - we always ask user if the app should access webcam or not
  • No mercy mode - we always block the access to webcam so your webcam can't be turned on

New in Avast Free Antivirus 17.7.2312 Build 17.7.3636.0 Beta (September 15th, 2017)

  • What's new:
  • You can add Real site exclusions to Webshield exclusions in following form: dns://donotfilter.mydomain.com

New in Avast Free Antivirus 17.7.2311 Build 17.7.3631.0 Beta (September 14th, 2017)

  • SafeZone Browser is not installed with clean AV installation anymore (http://www.avast.com/faq.php?article=AVKB209)
  • Several bug-fixes

New in Avast Free Antivirus 17.6.2311 Build 17.7.3631.0 (September 9th, 2017)

  • What's new:
  • SafeZone Browser is not installed with clean AV installation anymore (http://www.avast.com/faq.php?article=AVKB209)
  • Several bug-fixes
  • Known issues:
  • Setup: Cleanup component cannot be uninstalled via modify installation or from UI
  • Setup: Passive mode is not activated when another Antivirus solution is already installed
  • Game Mode: All game mode rules are turned off by default (this setting is reloaded after restart)
  • Affects both clean installation and update
  • Sensitive Data Shield: When protected documents are modified, such documents are no longer protected
  • Sensitive Data Shield: When protected document is stored on device which is unplugged and plugged back to the computer, such documents are no longer protected
  • Sensitive Data Shield: Changing rule allow/block in settings are not saved (the rule cannot be changed due to this)

New in Avast Free Antivirus 17.6.2310 Build 17.6.3625.0 (September 1st, 2017)

  • What's new:
  • Improved Anti-Phishing prevents you from falling victim to scams and fake sites (no browser extension needed!)
  • New standalone Avast Cleanup Premium product with improved cleaning (to be rolled out in stages)
  • We now recommend scanning for hidden network threats when you first connect to a new network
  • Our systray icon now shows when you have a security notification
  • Improved threat detections are now more visible and more informative about threats

New in Avast Free Antivirus 17.6.2310 Build 17.6.3625.0 Beta (August 31st, 2017)

  • We found bug in licensing, so we just released new version with fix - 17.6.2310.

New in Avast Free Antivirus 17.6.2309 Build 17.6.3623.0 Beta (August 28th, 2017)

  • What's new:
  • Systray icon now has a blue dot, when there is a new unread notification
  • New notification when you connect to a new network for the first time and provides an option to scan it

New in Avast Free Antivirus 17.6.2308 Build 17.6.3611.0 Beta (August 18th, 2017)

  • What's new:
  • Anti-phishing in Web Shield - Web Shield now blocks Phishing sites even without the browser plugin Avast Online Security installed in the browser
  • New Cleanup Premium - Cleanup is now standalone application, in beta you can use it even without license
  • New detection dialogues also for Behavioral Shield
  • Improved flow of all detection dialogues
  • Fixed animation of systray icon

New in Avast Free Antivirus 17.6.2307 Build 17.6.3606.0 Beta (August 10th, 2017)

  • What's new:
  • New SafeZone browser version
  • Fixed crash during product activation by license
  • New Sensitive Data Shield component:
  • it scans for documents (pdf,doc,txt) on your PC that contain sensitive information (agreements, work documents, flight tickets etc) and offers an extra protection of those
  • the documents are then protected against access by untrusted apps

New in Avast Free Antivirus 17.6.2306 Build 17.6.3600.0 Beta (August 7th, 2017)

  • What's new/fixed:
  • New dialogs for malware detections
  • Offline installation of Avast works without network
  • Loading of some websites no longer blocked by Web Shield

New in Avast Free Antivirus 17.6.2305 Build 17.6.3594.0 Beta (August 1st, 2017)

  • Fixed blocking of traffic from virtual machines by firewall

New in Avast Free Antivirus 17.5.2303 Build 17.5.3585.0 Beta (July 17th, 2017)

  • This version contains fixes under the hood, mainly for SMB customers.

New in Avast Free Antivirus 17.5.2302 Build 17.5.3559.0 (June 26th, 2017)

  • New feature: Ransomware Shield (for Internet Security and Premier)
  • New warning system on dashboard
  • Warnings added to notification center
  • Redesigned some popups
  • Notification counter added to tray icon
  • Fixed issues with public profile in Firewall

New in Avast Free Antivirus 17.5.2302 Build 17.5.3559.0 Beta (June 23rd, 2017)

  • We fixed:
  • problems with ignoring issues on Dashboard
  • overall stabilization
  • couple of more quick fixes in 17.5.2302

New in Avast Free Antivirus 17.4.2294 Build 17.4.3482.0 (May 3rd, 2017)

  • What's new:
  • updated GUI engine
  • fixed notification of finished Smart Scan, now it correctly shows the results instead of starting the scan again
  • fixed several crashes in Web Shield (including corruption of large downloaded files)
  • fixed crashing during update of virus definitions on 32-bit OS
  • viruses detected by File Shield are now correctly moved to quarantine
  • firewall profile is correctly recognized also when you connect via different network adapters
  • fixed problem with empty windows profile on Windows 10 after avast update
  • right-click explorer scan now runs in main window

New in Avast Free Antivirus 17.4.2294 Build 17.4.3482.0 Beta (May 1st, 2017)

  • What's new:
  • fixes and things under the hood
  • fixed several crashes in web shield
  • fixed crashing setup during VPS update on 32b OSes

New in Avast Free Antivirus 17.4.2293 Build 17.4.3470.0 Beta (April 24th, 2017)

  • fix of crashing installer during VPS update
  • samples detected by File System Shield are now correctly moved to quarantine
  • firewall profile is correctly recognised also when you connect via different adapters
  • fixed several setup crashes
  • fixed problem with loading windows profile after AV update on Win10
  • Avast updater now correctly checks disc space during update
  • fixed websites blocked by fw port scan detection
  • fixed webshield causes corruption when dowloading large files
  • fixed IE browsing sometimes freezed for a few seconds
  • fixed firewall component turned OFF after update
  • fixed vairous crashes in webshield and fw

New in Avast Free Antivirus 17.4.2292 Build 17.4.3450.0 Beta (April 19th, 2017)

  • What's new:
  • updated GUI framework CEF to the latest version
  • This is a huge change with impact on a whole product. Please watch any UI crashes or not working pages.
  • offline installation on Win XP without internet connection crashes, this scenario will not be supported anymore

New in Avast Free Antivirus 17.3.2291 Build 17.3.3443.0 (March 30th, 2017)

  • 2291: Fixes crash in installer

New in Avast Free Antivirus 17.3.2290 (Build 17.3.3442.0) Beta (March 24th, 2017)

  • FIXED:
  • Firewall: Fixed internet connectivity not working after update (until restart) on Win XP, Vista and 7 - should now always work immediately
  • HNS: Fixed incorrectly displayed vulnerabilities - vulnerability info is now correct
  • Web Shield: Fixed SSL scanning issue on some sites - sites now load correctly
  • Issues with login to roaming profile after update
  • Passwords: Fixed issues with self-authorization and import from Easy Pass
  • Issue with installation on Braswell CPUs
  • Network problems after update on Vista
  • Numerous crashes fixed

New in Avast Free Antivirus 17.3.2289 (Build 17.3.3434.0) Beta (March 17th, 2017)

  • FIXED:
  • Issue with playing HTML5 videos in the SafeZone browser
  • Improved compatibility with Windows 10 Creators Update
  • Fixed issue with disabling components, which require restart
  • Avast Account login is back on the dashboard
  • Fixed time and formatting for scheduled scans UI

New in Avast Free Antivirus 17.2.2288 (Build 17.2.3419.0) (February 27th, 2017)

  • What's fixed:
  • not working User interface after update
  • problems on Windows Vista after update
  • issues with SecureLine license after update
  • conflict with Comodo firewall
  • installation of web extensions on 64-bit version of Firefox
  • problems with opening Avast UI after installation
  • security issue in SafeZone browser banking mode

New in Avast Free Antivirus 17.1.2286 (Build 17.1.3394.0) (February 7th, 2017)

  • What's new:
  • Improved user interface - simplified navigation, new brand colors, notification center
  • Behavior Shield - better protects you against ransomware by monitoring running programs for suspicious behavior
  • Game mode - helps reduce distractions and lag times by automatically prioritizing your game’s performance and suspending all unnecessary background notifications and processes while you play
  • Free version no longer requires email registration
  • Performance improvements - faster webpage loading and app launching thanks to optimized hashing algorithms
  • Wi-Fi Inspector - previously called Home Network Security, this feature now detects even more problems and vulnerabilities on both home and public networks
  • Passwords - faster UI and improved browser integration
  • Real Site - our new name for SecureDNS, which prevents DNS hijacking to help you avoid visiting fake websites

New in Avast Free Antivirus 12.4.2281 Beta (November 4th, 2016)

  • Changes:
  • Fully new UI framework with modern graphics
  • Removed screensaver and desktop gadget
  • Huge internal changes for product stabilization
  • Known issues:
  • Some UI parts are not fully finished yet, excuse glitches
  • SmartScan and Browser Cleanup not finished
  • UI glitches in some expiration messaging dialogs
  • Web shield problems on Win 10 internal preview
  • Passwords synchronization setup flows are broken

New in Avast Free Antivirus 12.3.2280 Build 12.3.3154.0 (August 19th, 2016)

  • Fixed:
  • Slowing down computer during installation
  • Unavailability to select other language during installation

New in Avast Free Antivirus 12.3.2279 Build 12.3.3149.0 (August 16th, 2016)

  • New:
  • Passive mode - new compatibility mode, which should solve compatibility issues, when Avast is being installed on a pc, where other AV is installed (and registred to WSC), Most of the shields are turned off, Avast should be updatable
  • Added SafeZone browser, Security browser extension and SafePrice extension to Settings->Components for better management
  • Fixed:
  • BSOD for Skylake processor running Windows 10 Anniversary Update
  • Randomly opening Avast UI bug
  • SafePrice browser extension component is not installed during update when Browser extension was not installed in the previous version
  • Compatibility problems with PICO(Bash) processes on Windows 10 Anniversary Update
  • Incorrectly displaying firewall network profile notification
  • Avast is correctly recognized in Windows Security Center after upgrade to Windows Anniversary Update
  • Showing all passwords as reused in passwords list

New in Avast Free Antivirus 12.3.2279 Build 12.3.3149.0 RTM (August 15th, 2016)

  • Fixed:
  • Win Vista, registration to Windows Security Centre

New in Avast Free Antivirus 12.3.2278 RC (August 15th, 2016)

  • Fixed:
  • Compatibility problems with BASH/Ubuntu subsystem (PICO processes) on Win10 Anniversary Update
  • FW incorrect displaying profile toaster
  • Avast is correctly recognized in WSC after upgrade to Windows Anniversary Update

New in Avast Free Antivirus 12.3.2277 Build 12.3.3138.0 Beta (August 4th, 2016)

  • BSOD for Skylake processor running Windows 10 Anniversary Update(RS1)
  • Randomly opening Avast UI bug
  • SafePrice browser extension component is no longer installed during update when Browser extension was not installed in the previous version

New in Avast Free Antivirus 12.2.2276 Build 12.2.3126.2 (August 1st, 2016)

  • Avast released a hotfix for the Avast user-interface (UI) component via the emergency update channel for Avast version 12.2.2276. This hotfix contained a bug which disrupted communication between the Avast Service and the Avast UI. Thus, the warning message "You are unprotected! Avast Background service is not running." was incorrectly displayed in the Avast UI. Despite this, the Avast service was running and you continued to be protected.

New in Avast Free Antivirus 12.2.2276 Build 12.2.3126.0 (July 29th, 2016)

  • Regular monthly program updates - automatic and silent, configurable via Settings
  • Fully compatible with Windows 10 Anniversary Update
  • The new Components menu in program Settings - an easier way to control which components are installed and running

New in Avast Free Antivirus 12.2.2273 Build 12.2.3106.0 Beta (July 19th, 2016)

  • Fixes and improvements:
  • New licensing system
  • New implementation of Windows Security center registration
  • Rescue Disc fixed

New in Avast Free Antivirus 12.1.2272 Build 12.1.3076.0 (June 22nd, 2016)

  • Lower system impact - faster boot time, less space taken on disk
  • CyberCapture - better detection of unknown and unique files via our cloud technology
  • Regular monthly program updates - automatic and silent, configurable via Settings
  • Improved detection of router vulnerabilities
  • New Bank mode in SafeZone browser
  • Faster SecureLine connection
  • Antispam is now as opt-in component
  • Removed hardware virtualization (NG) - replaced with CyberCapture,that has much lower impact on system resources
  • Removed Remote assistance - not used enough and not a core functionality

New in Avast Free Antivirus 12.1.2266 Beta (May 27th, 2016)

  • SecureLine internal enhancements
  • Firewall profile switching rewritten
  • Avast screens are not displayed on Windows 10 lockscreens anymore
  • Boot time scan feature is now being downloaded on-demand
  • Fixed showing restart dialog too often and ignore postpone times

New in Avast Free Antivirus 12.1.2264 Beta (May 12th, 2016)

  • Internal enhancements of the licensing component
  • Fixed problem with closing post-update window
  • SecureLine icon issues fixed
  • SafeZone browser - Introducing New Pay Mode

New in Avast Free Antivirus 12.1.2263 Beta (May 9th, 2016)

  • New scan API for browsing
  • Removed NG (VHardware virtualization) - moved the technology to cloud, in next betas we will introduce new flow for handling unknown files
  • Removed Stats - Under redesign, will be returned later
  • Antispam module is now optional, not installed by default
  • Remote assistance removed for good
  • Fixed problems with Avast Account
  • Fixed issues with slow loading pages in SafeZone browser
  • Fixed creation of Rescue Disc

New in Avast Free Antivirus 11.2.2262 Beta (April 25th, 2016)

  • fixed crashing installations
  • fixed BSOD on AMD processors
  • fixed problem with huge antispam log
  • fixed repeatedly adding SafeZone browser icon on desktop after program update

New in Avast Free Antivirus 11.2.2260 (April 7th, 2016)

  • SafeZone browser is now included also in free version
  • Avast program updates are now automatic and silent by default - can be changed via Settings->Update
  • Faster computer startup
  • Fixed issues with Firewall on Windows 7
  • Fixed postpone function on restart dialog
  • Fixed starting Pay mode in SafeZone browser
  • Better notification about email signatures

New in Avast Free Antivirus 11.2.2258 Beta (April 1st, 2016)

  • SafeZone browser is now fixed part of Free version
  • Fixed problems with Secureline screen that stuck on tutorial screen
  • Removed Personal data section (Form filling) from Passwords - now the full focus is on password management

New in Avast Free Antivirus 11.2.2257 RC (March 24th, 2016)

  • Silent Update process is ready
  • Secureline - Fixed potentional problem with reconnecting after restart
  • SafeZone - PayMode stabilization improvements
  • Performance improvements in computer startup

New in Avast Free Antivirus 11.2.2256 Beta (March 18th, 2016)

  • This release is mainly about internal improvements and bug fixes:
  • Fixed problem with not running FW after update on Windows 7
  • Introduced new way of file versioning
  • Fixed StreamFilter deadlock
  • Added SecureLine localization API
  • Fixed No internet connection problem after online installation on Windows XP

New in Avast Free Antivirus 11.2.2255 Beta (March 11th, 2016)

  • New Firewall driver on Win7
  • Secureline screen rewritten to CEF
  • update OpenSSL library to 1.0.2g
  • Fixed: Logging into Avast Account
  • Fixed: Postpone on Restart dialog

New in Avast Free Antivirus 11.2.2254 Beta (February 25th, 2016)

  • Major changes:
  • SafeZone Browser - Improved Pay Mode loading stability
  • FIXED - NG now works on Windows 10
  • FIXED - Firewall Win8+ BSODs
  • And more internal efficiency and stability improvements

New in Avast Free Antivirus 11.1.2253 (February 3rd, 2016)

  • What's new:
  • New firewall driver for Win8/10 - fixes issues with non working firewall
  • SecureLine start is faster - new OpenVPN method
  • Easier turning off email signatures
  • Faster loading of passwords list
  • Fixed installation of SafeZone browser
  • Extensions are now Firefox 64-bit compatible
  • SafeZone browser: Added security extension (phishing protection)
  • SafeZone browser: Fixed Pay mode crashes
  • SafeZone browser: Settings and bookmarks now synced to Pay mode (after browser restart)
  • Security fixes

New in Avast Free Antivirus 11.1.2251 Beta (January 29th, 2016)

  • "Improved OpenVPN connection method for SecureLine VPN. Connection setup should be 2x faster.

New in Avast Free Antivirus 11.1.2249 Beta (January 21st, 2016)

  • for Win8+ replacement of Firewall AswNdis driver by new driver - AswNetSec.sys based on WFP
  • all binaries are now signed according to new MS security recommendations
  • if you see any problems with installation or not working Firewall after update, please report them.
  • improved DeepScreen (NG) performance

New in Avast Free Antivirus 11.1.2245 (December 1st, 2015)

  • Added option to disable the email signature to Setttings-> General
  • SafeZone browser now automatically imports bookmarks and passwords from old SafeZone
  • Added shortcut for SafeZone browser to systray menu
  • Passwords extension for Firefox is now signed
  • Added icons for scans
  • HTTPS scanning now supports SPDY protocol
  • Fixed problems with browsing on Windows XP
  • Fixed issues with expired certificates needed for HTTPS scanning
  • Update popup not shown when just checking for latest version
  • Fixed missing option to delete custom scan
  • Fixed wrong displayed text in menu
  • Fixed problems with SecureDNS
  • Fixed missing Spanish language in Home network security

New in Avast Free Antivirus 11.1.2244 SP1 Beta 3 (November 26th, 2015)

  • Fixed problems with browsing on Windows XP
  • Fixed issues with expired certificates needed for HTTPS scanning
  • Passwords extension for Firefox is now signed
  • SafeZone browser should now automatically import bookmarks from old SafeZone
  • Popup not shown when just checking for latest version
  • Fixed missing option to delete custom scan
  • Added option to disable the email signature to Setttings-> General
  • Returned shortcut for SafeZone browser to systray menu

New in Avast Free Antivirus 11.1.2242 SP1 Beta 1 (November 12th, 2015)

  • Updated CEF -> fixes some crashes of GUI
  • HTTPS scanning now supports SPDY protocol
  • Cut texts in menu fixed
  • Fixes in SecureDNS
  • Fixed missing Spanish language in Home network security

New in Avast Free Antivirus 11.1.2241 (November 3rd, 2015)

  • NEW: Passwords - Avast can now manage your passwords and generate strong passwords for you. Just one password to remember.
  • checks your passwords security
  • stores your passwords securely
  • includes browser extensions for easier logging in and form filling
  • generates strong passwords
  • NEW: SafeZone browser - Replaced the SafeZone for safer shopping and banking in Pro, Internet Security and Premier
  • Pay Mode: It isolates the session and protects it from possible keyloggers or other malicious software secretly lurking on your computer. With Pay Mode you can perform all your financial transactions in peace, without fear of your password or other personal details being stolen. Pay Mode runs automatically on banking site, but it can be also turned on manually
  • Shielded Window: To open there suspicious websites and to ensure full anonymity
  • Ad Blocking: includes built in ad blocker extension
  • Video downloading for offline viewing
  • Easy setup: Automatically imports your bookmarks, history and cookies from your current default browser
  • NEW: User interface - More space for content, easy control
  • NEW: Feedback possible directly from program - report bugs, feature requests and other suggestions easier
  • IMPROVED: Home network security now detects more router vulnerabilites and shows more details
  • IMPROVED: Installation - it should be now faster and less obtrusive
  • IMPROVED: WebShield HTTPS Scanning - We introduced a new method of HTTPs scanning. It is used in Firefox, Chrome and Opera. It works without changing the certificates and the security parameters and certificates are verified by the browser itself, including checks for untrusted or revoked certificates
  • Many other minor tweaks and bug fixes

New in Avast Free Antivirus 11.1.2241 RC 3 (November 3rd, 2015)

  • Fixed Passwords plugin in IE
  • Account screens are now localized
  • Minor bug fixes

New in Avast Free Antivirus 11.1.2240 RC 2 (October 31st, 2015)

  • Bug fixes
  • Fixed issue when installed expired paid product and it was immediately downgraded to Free
  • Fixed Passwords plugin in IE

New in Avast Free Antivirus 11.1.2238 RC 1 (October 27th, 2015)

  • Bug fixes
  • Online Security plugin in Firefox is now signed in all cases (new installation or update)
  • Firewall now should run ok on Windows 10

New in Avast Free Antivirus 11.1.2237 Beta 4 (October 25th, 2015)

  • Home network security is now fully completed and works also in Smart Scan
  • Fixed major bugs in Passwords
  • Fixed crashes in SafeZone tabs
  • NG is not installed automatically in Free, but can be installed via Custom installation
  • Fixed minor problems on uninstall screen
  • Fixed problem with non working Firewall afer installation via online installer
  • Animated icons in menu + new background on main page
  • Trillions of minor bug fixes and improvements

New in Avast Free Antivirus 11.1.2236 Beta 3 (October 16th, 2015)

  • Possibility to log in more Avast accounts
  • Online security plugin for Firefox is now signed and works in Firefox 42
  • Online setup - better recovery if reboot appears during installation
  • Passwords extension now works in SafeZone browser
  • WebShield HTTPS Scanning: We introduced a new method of HTTPs scanning. It is used in Firefox, Chrome and Opera. It works without changing the certificates with the help of kernel mode hooking. The security parameters and certificates are verified by the browser itself, including checks for untrusted or revoked certificates. Traditional MITM approach is still used for IE and Edge, and is also reactivated when required for particular browser.

New in Avast Free Antivirus 11.1.2234 Beta 1 (October 1st, 2015)

  • NEW: Passwords - Avast can now manage your passwords and generate strong passwords for you. Just one password to remember:
  • checks your passwords security
  • stores your passwords securely
  • includes browser extensions for easier logging in and form filling
  • generates strong passwords
  • NEW: SafeZone browser - Replaced the SafeZone for safer shopping and banking:
  • Pay Mode: runs automatically on banking sites (This isolates the session and protects it from possible keyloggers or other malicious software secretly lurking on your computer. With Pay Mode you can perform all your financial transactions in peace, without fear of your password or other personal details being stolen. Pay Mode can be also turned on manually directly via browser UI.)
  • Ad Blocker:The browser comes with built-in Ad Blocker that blocks all those annoying online ads and banners
  • Video Downloader: Another cool feature is built-in Video Downloader that allows you to download online videos and store them to your hard drive. Now we support just limited amount of sites (youtube, vimeo, stream, metacafe, yahoo and some others)
  • HTTPS scanning while preserving the original certificate
  • NEW: User interface:
  • More space for content, easy control
  • NEW: Feedback possible directly from program:
  • Report bugs, feature requests and other suggestions easier
  • IMPROVED: Home network security:
  • Now detects more router vulnerabilities and shows more details
  • IMPROVED: Installation:
  • It should be now faster and less obtrusive.
  • Many other minor tweaks and fixed

New in Avast Free Antivirus 10.4.2233 R4 (September 17th, 2015)

  • Better server selection list in SecureLine
  • Fixed: Cleanup to stop on 99%
  • Fixed: Problems with HTTPS certificates in Firefox after upgrade to Windows 10
  • Fixed: Firewall not started after upgrade to Windows 10
  • Fixed: Cleanup to report leftover files, when software was just updated and not uninstalled (e.g. Skype, Java)
  • Fixed: Issues with payment gates
  • Fixed: Issues with not showing images on some sites
  • Fixed: Issues with Outlook 2003 context menu

New in Avast Free Antivirus 10.4.2232 R4 RC (September 16th, 2015)

  • removed limitation for Windows XP users
  • fixed issues with payment gates
  • fixed issues with not showing images on some sites

New in Avast Free Antivirus 10.4.2231 R4 Beta 6 (September 12th, 2015)

  • fixed problem with update condition for Windows XP users. Now users with XP shouldn't be able to install/update to build 2231
  • fixed issues with Outlook 2003 context menu
  • fixed crashing of service during VPS update

New in Avast Free Antivirus 10.4.2229 R4 Beta 3 (September 5th, 2015)

  • Today we unusually released 2 beta versions in order to test a new mechanism that will allow to avoid some compatibility issues in the future. For this beta testing we set the rule that machines with Windows XP will be able to update only to version 2228, all other machines will update as usual to the latest version 2229.
  • So please test if you machines on XP are on version 2228 and Vista+ on 2229 and both reporting as latest version. Don't worry we will remove the limitation for Windows XP machines in the next beta version, and we also won't limit XP users in the future. This is just for testing purposes.

New in Avast Free Antivirus 10.4.2227 R4 Beta 1 (August 29th, 2015)

  • Better server selection list in SecureLine
  • Fixed: Cleanup to stuck on 99%
  • Fixed: Problems with HTTPS certificates in Firefox after upgrade to Windows 10
  • Fixed: Firewall not started after upgrade to Windows 10
  • Fixed: Cleanup to report leftover files, when software was just updated and not uninstalled (e.g. Skype, Java)

New in Avast Free Antivirus 10.3.2225 R3 SP1 (July 29th, 2015)

  • Fixes in Avast 2015 R3 SP1:
  • Fixed problems with HTTPS browsing on Windows XP SP2
  • Fixed problems with email clients on Windows XP SP2
  • Fixed issues with firewall during program update and during update on Windows 10
  • New features and improvements in Avast 2015 R3:
  • Grimefighter is now redone and called Cleanup.
  • runs without need of reboot
  • much faster
  • runs on more devices (better compatibility)
  • Improved Windows 10 compatibility
  • Ability to check compatibility issues with other antivirus software
  • Host-based intrusion prevention system (HIPS): an installed software package which monitors a single host for suspicious activity by analyzing events occurring within that host
  • StreamFilter with HTTPS scanning is now available also for Windows XP/Vista
  • NG is not using Volume Shadow Copy Service anymore

New in Avast Free Antivirus 10.3.2224 R3 SP1 Beta (July 25th, 2015)

  • Fixed minor issues with Firewall during Windows 10 update
  • Fixed minor issues with Cleanup

New in Avast Free Antivirus 10.3.2223 (July 13th, 2015)

  • Grimefighter is now redone and called Cleanup:
  • runs without need of reboot
  • much faster
  • runs on more devices (better compatibility)
  • Improved Windows 10 compatibility
  • Ability to check compatibility issues with other antivirus software
  • Host-based intrusion prevention system (HIPS): an installed software package which monitors a single host for suspicious activity by analyzing events occurring within that host
  • StreamFilter with HTTPS scanning is now available also for Windows XP/Vista
  • NG is not using Volume Shadow Copy Service anymore

New in Avast Free Antivirus 10.3.2223 RC1 (July 10th, 2015)

  • Fixed confirmation window for AOS in IE
  • Fixed problems with Sandbox on Windows 10
  • Fixed problem with not functional Firewall on Windows 10

New in Avast Free Antivirus 10.3.2222 R3 Beta 3 (July 4th, 2015)

  • Fixed BSOD crash on Windows XP
  • Other smaller bugfixes and improvements

New in Avast Free Antivirus 10.3.2220 R3 Beta 2 (June 25th, 2015)

  • Grimefighter is now redone and called Cleanup:
  • runs without need of reboot
  • much faster
  • free for beta testers
  • runs on more devices (better compatibility)
  • Improved Windows 10 compatibility
  • Ability to check compatibility issues with other antivirus software
  • Host-based intrusion prevention system (HIPS): an installed software package which monitors a single host for suspicious activity by analyzing events occurring within that host
  • StreamFilter with HTTPS scanning is now available also for Windows XP/Vista
  • NG is not using Volume Shadow Copy Service anymore
  • Beta version will now be updated automatically once new beta version released

New in Avast Free Antivirus 10.2.2216 R2 SP2 Beta (April 16th, 2015)

  • Server busy problem in Avast UI with loading some remote content
  • Incompatability of FS shield with TrueCrypt
  • FS shield - lscache.dat improvements
  • File-system shield exclusions fixed
  • StreamFilter - Improved compatibility with other AV products
  • and performance and stability improvements

New in Avast Free Antivirus 10.2.2215 R2 RC2 SP1 (March 21st, 2015)

  • Fixes:
  • Unable to insert Avast SecureLine license
  • Failed to load language dll [1033\UILangRes.dll] error after update
  • Mail Shield blocked Windows Live Mail connection
  • BCU problems with removing addons in silent mode
  • And some minor internal fixes for BSODs

New in Avast Free Antivirus 10.2.2214 (March 3rd, 2015)

  • Improved Windows 10 Compatibility
  • Browser Cleanup integrated to Avast UI and added to Smart Scan
  • WebShield improvements for faster browsing and fixed issues with expired certificates
  • Avast NG virtualization – performance and stability fixes
  • AccessAnywhere feature is removed and replaced with remote connection feature available through Account screen in all editions(not limited to Premier)
  • New design of Chrome plugin
  • Better license activation during setup

New in Avast Free Antivirus 10.0.2212 R2 RC 2 (February 26th, 2015)

  • NG is now installed on computers with disabled virtualization CPU extension (valid only for Vista and 7 32 bit).
  • Win10 - feel free to update from Win7+ to Win10 with Avast R2 installed
  • Stream filter - fixed problem for IE and corrupted/expired certificates

New in Avast Free Antivirus 10.0.2211 R2 RC 1 (February 20th, 2015)

  • Performance optimizations in webshield and file system shield. Now they work much better than ever.
  • DNT in IE AOSP plugin will not crash anymore
  • AswVmm.sys driver - internal NG improvements
  • Fresh new design of the Chrome Online Security extension. Do not track detection enabled by default.
  • Https scanning works in Opera browser 25+

New in Avast Free Antivirus 10.0.2210 R2 Beta 2 (February 14th, 2015)

  • Performance fixes in stream filter
  • IE AOSP plugin is more stable than ever
  • NG now can be installed on x86 machines without VTx/AMDv
  • BCU internal improvements

New in Avast Free Antivirus 10.0.2209 R2 Beta 1 (February 5th, 2015)

  • Improved Windows 10 Compatibility
  • Changed setup flow for better license activation
  • Avast NG – lot’s of performance and stability fixes
  • AccessAnywhere function is removed and replaced with new remote connection feature available through Account screen in all editions
  • Browser Cleanup integrated to Avast UI and added to Smart Scan
  • GrimeFighter now supports UEFI
  • Stability and performance improvements

New in Avast Free Antivirus 10.0.2207 SP 1 Beta (November 6th, 2014)

  • Missing NG component under certain circumstances
  • Fixed a bug in the keyboard driver causing problems with keyboards
  • Better compatibility of the WebShield with some https pages (e.g. spotify, waze, etc.)
  • SecureDNS - better logic of server selection resulting in performance improvements
  • Fixed reported crashes

New in Avast Free Antivirus 10.0.2206 (October 21st, 2014)

  • NG is now again installed on all HDDs, limitation only in CPU - minimum 2ghz
  • Internal NG stability fixes
  • Custom scan can be deleted now
  • Karma points lead to correct my.avast page
  • and few internal stability improvements

New in Avast Free Antivirus 10.0.2204 RC3 (October 18th, 2014)

  • NG is now again installed on all HDDs, limitation only in CPU - minimum 2ghz
  • Internal NG stability fixes
  • Custom scan can be deleted now
  • Karma points lead to correct my.avast page
  • and few internal stability improvements

New in Avast Free Antivirus 10.0.2203 RC2 (October 15th, 2014)

  • Registration to Windows Security Center
  • Fixed UI crash while logging to my.avast
  • Resource.pak corrupted - Boottime scan problems
  • NG now installed only on machines with SSD disks
  • and few internal stability improvements

New in Avast Free Antivirus 10.0.2202 RC1 (October 10th, 2014)

  • Added support for none SSE2 machines
  • IE plugin - stability
  • Changed program name to Avast
  • Browser Cleanup - Chrome 38 support
  • And some general performance and stability improvements

New in Avast Free Antivirus 10.0.2201 Beta 3 (October 1st, 2014)

  • Improved malware detection in DeepScreen running on NG
  • IE plugin - fixed problem with continuous opening AOSP settings
  • Webshield - performance and stability changes
  • Browser Cleanup - fixed missing extenstion list for Chrome 37
  • SecureDNS stabilization
  • Improved registration to Windows Security Center
  • Many general performance and stability improvements

New in Avast Free Antivirus 10.0.2200 Beta 2 (September 20th, 2014)

  • AVAST NG:
  • A hardware based virtualization solution capable of running each Windows process in standalone safe virtualized environment (VM) and fully integrated to your desktop. Each process is executed in its own instance of VM, which means totally isolated from your other applications. This feature is now powering the Avast DeepScreen, resulting in better detection. The technology will also eventually power the Sandbox and SafeZone components (although it does not now).
  • Note: In this beta build, not all detections are 100% operable yet, so I wouldn't recommend using the new DeepScreen for detection testing for now. It will be 100% operable in the next couple of weeks - we will certainly let you know when is the good time to start testing with your malware collections.
  • Note 2: Avast NG can be installed only on physical machine, does not work in VM. It requires HW virtualization enabled.
  • GrimeFighter Free:
  • GrimeFighter will offer free cleaning of junk files and tuning of system settings. These tasks are performed by our Zilch and Torque minions. Other minion functions remain as paid-for features.

New in Avast Free Antivirus 10.0.2021 Beta 1 (August 16th, 2014)

  • The UI hasn't changed a lot, but internally we are delivering you a lot of new for this new major version of AVAST:
  • HTTPS scanning:
  • Now, we are able to detect and decrypt TLS/SSL protected traffic in our Web-content filtering component. We are using our own generated certificates that are added into the Root Certificate store in Windows and also into major browsers. This feature will protect you against viruses coming through HTTPs traffic as well as adding compatibility for SPDY+HTTPS/ HTTP 2.0 traffic. You can tune/disable this feature in the settings section.
  • Home Network Security:
  • Scan your home network for vulnerabilities (wifi status, connected devices, router settings, factory passwords, etc.). This is quite a new approach as we are trying to discover potential problems not isolated on the particular device only, but in the entire network of devices you use or connect to the Internet from.
  • SecureDNS (this feature is active in the paid versions only):
  • We are introducing a new provider which guards against unprotected DNS/DNS hijack on a router/client (including unsecured networks, public ones, etc.).
  • Smart Scan:
  • Integrated all on demand scans into one (Antivirus, Software updates, Home Network, GrimeFighter). One scan, different results and recommendations.
  • New Support System:
  • Easy contact for paid users to submit a ticket with all info included automatically. Improved knowledge base for free users. Help is completely online and is more up to date.
  • General bugfixing:
  • This covers a lot of stability & performance changes in all components (but the main focus was traditionally on the network & engine components).

New in Avast Free Antivirus 9.0.2021 R4 (June 27th, 2014)

  • We've improved the security of the product - e.g security of our processes (guarded by the self defense component), we handle the conditions for the Guest account better, we are very senstitive for any incorrect inputs from the user with a negative impact on the system's security, or, we tuned the import settings functionality not to allow bypassing any protections
  • We've added "resume" support in the setup component, so some of you should notice smoother downloading - depends on a "quality" of your connection (mainly during the program update where the amount of data is quite big)
  • We've included a new antispam library (IS/Premier editions) for better accuracy of our anti-spam module
  • We've put warnings during the installation process if there could be some obvious problems resulting in not 100% functionality after the installation (missing admin rights, insufficient space on disk, etc.)
  • We've added ability to disable promotion popups (in PRO/IS/Premier editions). We strongly believe that our additional products can be valuable for you, but we also respect your will not to be bothered by such offers.
  • We've performed a static analysis of our code resulting in many fixes (but don't worry, nothing was critical, just a small tuning
  • General bugfixing - this covers a lot of stability & performance changes in all components (but the main focus was traditionally on the network & engine components)

New in Avast Free Antivirus 9.0.2020 R4 RC (June 24th, 2014)

  • Fixed a lot of issues:
  • Improved stability of the IE AOSP plugin
  • Occasional uninstall problems
  • Several crashes in various components (setup, browser cleanup, ie plugin, etc.)
  • Occasional deadlocks in GUI
  • GUI glitches
  • Failure in RescueDisk creation
  • Improved security of our processes (guarded by the self defense component)
  • Secureline tuning (user experience mainly)
  • Improved avastCleaner
  • Tuned text & graphics

New in Avast Free Antivirus 9.0.2019 R4 Beta (June 17th, 2014)

  • We've improved the security of the product - e.g we handle the conditions for the Guest account better, we are very senstitive for any incorrect inputs from the user with a negative impact on the system's security, or, we tuned the import settings functionality not to allow bypassing any protections
  • We've added "resume" support in the setup component, so some of you should notice smoother downloading - depends on a "quality" of your connection (mainly during the program update where the amount of data is quite big)
  • We've included a new antispam library (IS/Premier editions) for better accuracy of our anti-spam module
  • We've put warnings during the installation process if there could be some obvious problems resulting in not 100% functionality after the installation (missing admin rights, insufficient space on disk, etc.)
  • We've added ability to disable promotion popups (in PRO/IS/Premier editions). We strongly believe that our additional products can be valuable for you, but we also respect your will not to be bothered by such offers.
  • We've performed a static analysis of our code resulting in many fixes (but don't worry, nothing was critical, just a small tuning :-)
  • General bugfixing - this covers a lot of stability & performance changes in all components (but the main focus was traditionally on the network & engine components)

New in Avast Free Antivirus 9.0.2018 (April 18th, 2014)

  • Includes changes from the previous Beta version

New in Avast Free Antivirus 9.0.2017 SP 1 Beta (April 8th, 2014)

  • Stream Filtering -- fixed stability and compatibility issues, it's running smooth and fast now, so no more browsing problems
  • Firewall -- the firewall should be more stable and with better compatibility with other network applications. we spent a lot time analyzing various dumps you provided to us to increase your confidence level.
  • Android protection - we can protect (if you wish) your Android phones and tablets with avast! Free Mobile Security (through your active Google Account) automatically (during the installation or update).
  • A lot of fixed issues you reported to us

New in Avast Free Antivirus 9.0.2016 (March 19th, 2014)

  • Includes changes from the previous development versions

New in Avast Free Antivirus 9.0.2014 R3 Beta 1 (March 7th, 2014)

  • Stream Filtering: fixed stability and compatibility issues, it's running smooth and fast now, so no more browsing problems
  • ARA/ARC: implemented internal architecture improvements, if you can, please test these components, thanks a lot
  • Firewall: the firewall should be more stable and with better compatibility with other network applications
  • Improved: Software Updater – new installation wizard lets you download and install multiple updates at once directly from download.com
  • Improved: Browser Cleanup – improved detection and removal of browser protectors, those tools that try to block us from getting rid of annoying toolbars
  • Improved: GrimeFighter – now supporting 12 additional languages and with an advanced console for more control of optimization tasks. Go ahead and fight the Grime

New in Avast Free Antivirus 9.0.2013 (January 23rd, 2014)

  • FIXED: Uninstalling avast might hang at "stopping service: avast! antivirus"
  • FIXED: Upload issues for Dropbox and Flickr
  • Performance and stabilization fixes in Stream Filter - e.g blocking of ajax calls
  • Several firewall fixes - e.g. blocking of Google Earth
  • Stability improvements - several crashes fixed

New in Avast Free Antivirus 9.0.2012 Beta (January 16th, 2014)

  • What was fixed:
  • Uninstalling avast might hang at "stopping service: avast! antivirus"
  • Performance and stabilization fixes in Stream Filter - e.g blocking of ajax calls
  • Several firewall fixes - e.g. blocking of google earth
  • Stability improvements - several crashes fixed

New in Avast Free Antivirus 9.0.2011 (December 17th, 2013)

  • Finally fully rewritten the WebShield so that it now doesn't work as a "transparent proxy" anymore. I.e. no more routing of all HTTP traffic through the AvastSvc.exe process - which should hopefully result in no more conflicts with various firewalls (especially older firewalls that can't handle transparent proxies) and overall improvement in stability and performance. Besides that (and this is really exciting) it allows us to see and detect more threats (the original webshield had some limitations).
  • The Firewall component (in IS and Premier) has also changed dramatically. Made it more compatible with other applications, such as Java and various VPN services.
  • The installer/updater has been improved to allow more reliable installation in case of infected machines. The installer is now protected by the avast self-defense driver from the very beginning, making it harder for active malware to kill it (if you have problems starting the installer in the first place, it may be a good idea to try to rename the executable to a random name first)
  • The changes in the File System Shield's driver should result in faster performance, especially in the copy files and install programs scenarios.
  • We have also beefed up the Browser Cleanup tool to be able to rip off even the more stubborn toolbars and other "PUBEs" (Pontentially Unwanted Browser Extensions
  • Also fixed a whole bunch of bugs reported in the last couple of months. Especially if you encountered a problem with R1, try this new version, chances are that the problem is resolved there.

New in Avast Free Antivirus 9.0.2010 RC (December 13th, 2013)

  • Fixed reported BSODs related to the WebShield, Networkshield and FW
  • Browser plugin support in IE11
  • USB rescue disk creation sometimes fails (WinXP)
  • Added localizations

New in Avast Free Antivirus 9.0.2009 Beta 1 (December 3rd, 2013)

  • GrimeFighter -- performs a scan to identify ways to speed up, clean up, and better protect your PC. GrimeFighter will run the scan and show you where you can improve the performance of your PC. It then sedates your PC and performs all of the cleaning functions. This need feature is a result of our acquisition of Jumpshot earlier this year.
  • SavePrice -- we added a new function to the browser plugins that helps you save money when you are shopping online. It finds better prices for items you are searching for. At the moment, Chrome, Firefox, and Safari are supported. Internet Explorer should be supported in the near future.
  • avast! tutorial -- for users who run avast! trials, a tutorial is now available explaining all the great things avast! can do to protect your PC
  • Stream Filtering -- a completely rewritten function that is part of the new Web Shield launched in v2014. The three main components of Stream Filtering are a rewritten scanner, new kernel mode inspection techniques, and a new HTTP parser. All of these functions lead to more effective detections of threats
  • Firewall -- most importantly, the previous issues with Java have been solved. The firewall should be more stable and with better compatibility with other network applications

New in Avast Free Antivirus 9.0.2008 (November 11th, 2013)

  • Fixed issues with Metro apps (after update to Win 8.1)
  • Fixed occassional problem with playing sounds on the VPS toasters
  • Fixed issue with Outpost FW warning („unsinged“ driver)

New in Avast Free Antivirus 9.0.2007 (November 2nd, 2013)

  • Fixed connection issues from Java applets
  • Fixed issues with Security Center registration
  • Fixed problems with non english languages in RescueDisk
  • GUI fixes
  • Firewall fixes
  • Fixed issues with WinDVD and SQL connectors
  • Fixed issue with non-refreshing Metro apps in Win 8.1

New in Avast Free Antivirus 9.0.2006 (October 15th, 2013)

  • Protection-related features and improvements:
  • New DeepScreen technology allows avast! to make more intelligent decisions about new/unknown files. DeepScreen is a successor of AutoSandbox, now upgraded with some additional new technologies such as dynamic binary translation and dyna-gen announced earlier.
  • New Hardened mode for stricter lockdown scenarios. This is a new mode that is recommended especially for novice users (such as your grandmas): it automatically blocks execution of binaries that would normally be deepscreened (Moderate level) or even allows only execution of programs that are well-known to FileRep (Aggressive level). In a way, it brings the whitelisting concept to the consumer AV space.
  • Improved cloud scanning features and crowdsourced analysis of suspicious items. This includes new, optimized mechanism for collecting data from our sensors.
  • Continuously streaming update (CSU) technology for up-to-minute detections. This is not entirely new for v2014, but we now have really buttoned up the whole streaming update infrastructure to allow for reliable, uninterrupted service. We’re currently doing 350-400 updates a day, which equals to one update in roughly every 3.75 minutes, 24x7, 365 days a year. Streaming updates can now also carry more types of definitions than before.
  • Improved cleaning of malware. This applies to standard malware as well as rootkits and file infectors.
  • Other new features:
  • All-new web browser plugins featuring comprehensive security ratings, protection against malware, phishing and typosquatting sites and Do-Not-Track (DNT) functionality for improved anonymity on the Internet. The DNT functionality doesn’t rely on the DNT HTTP headers; instead, it uses a proprietary technology that cannot be overridden by the servers.
  • All-new SafeZone for more secure online shopping and banking. Users can now switch back and forth between SafeZone and the regular browser with a single click. Also, online banking sites can be automatically opened in the SafeZone.
  • Rescue disk - allow users to create a bootable CD or flash disk with Avast on it. Great for cleaning.
  • Other improvements:
  • A new, streamlined user interface for simplified navigation and more user comfort. The new UI is actually much simplified, and it’s probably the biggest change since version 5.0. We have also redefined the shields to the total number of three (File Shield, Web Shield, Mail Shield) and tweaked the action buttons (tiles) on the home page so that they’re now fully configurable.
  • Control and manage all protected devices directly from the Avast console. That is, the my.avast.com account is perfectly integrated in the UI to allow for management of all your devices running Avast.
  • Dramatic reduction in product size (full installer < 60MB, compared to today’s 120MB) and memory footprint. By default, install is done through a new stub installer though (which has the advantage of always installing the most up-to-date version).
  • Faster scanning thanks to optimized scanning engine (raw [in-memory] scans of EXE files are about 2x faster, while scans of text contents (e.g. web pages and scripts) are up to 10x faster).
  • Completely rewritten setup/updater that makes the installation and upgrade process faster, easier and more reliable
  • Firewall has been redesigned from scratch to allow for better compatibility with latest Windows, better performance and full support for IPv6 (although its UI hasn’t really changed).
  • New licensing system allows for much easier management of product licenses. The system relies on activation codes, and these can be added seamlessly by simply clicking a link.
  • Various improvement in the Software Updater and Browser Cleanup tool.

New in Avast Free Antivirus 9.0.2005 RC 3 (October 9th, 2013)

  • IE browser plugin is now fully working
  • Fixed BSOD in FW module
  • Fixed GUI crashes
  • GUI tuning (other languages, visual glitches)

New in Avast Free Antivirus 9.0.2004 RC 2 (October 4th, 2013)

  • Fixed:
  • taskbar icon > Registration doesn't open GUI
  • GUI tuning
  • network shield fixes
  • WSC - disable MS firewall during AIS installation (but after reboot!)
  • SMTP alerts fixes
  • several fixes of very unspecified crashes
  • mailshield fix for Thunderbird (certificates)
  • GUI isn't freezing any more
  • Known issues:
  • IE sometimes crashes when you click the Online Protection plugin icon

New in Avast Free Antivirus 9.0.2003 RC 1 (September 27th, 2013)

  • IE crashes fixed
  • my.devices tab GUI tuning

New in Avast Free Antivirus 9.0.2002 Beta 3 (September 24th, 2013)

  • FW sometimes blocked downloading of files
  • WebShield is now fully IPv6 compatible
  • ARA was not fully compatible with previous versions of avast!
  • UI statistics page was redesigned
  • Disabling of the Web Shield is now working fine
  • RescueDisk tuning (GUI & usability)
  • GUI glitches
  • Network protection component tuning & compatibility (Win8 ) - no more Tdi technology
  • Windows 8.1 compatibility
  • Smooth updates of VPS & program
  • Updated the SafeZone browser

New in Avast Free Antivirus 8.0.1497 (September 2nd, 2013)

  • Fixed issues related to Win 8 & Win 8.1 (avast! is now fully compatible with these operating systems)
  • Fixed issues in virtualization module (including other x64 platform fixes)
  • Fixed issues in Script shield
  • Outlook plugin fixes

New in Avast Free Antivirus 9.0.2000 Beta (August 16th, 2013)

  • Protection-related features and improvements:
  • New DeepScreen technology allows avast! to make more intelligent decisions about new/unknown files. DeepScreen is a successor of AutoSandbox, now upgraded with some additional new technologies such as dynamic binary translation and dyna-gen announced earlier.
  • New Hardened mode for stricter lockdown scenarios. This is a new mode that is recommended especially for novice users (such as your grandmas): it automatically blocks execution of binaries that would normally be deepscreened (Moderate level) or even allows only execution of programs that are well-known to FileRep (Aggressive level). In a way, it brings the whitelisting concept to the consumer AV space.
  • Improved cloud scanning features and crowdsourced analysis of suspicious items. This includes new, optimized mechanism for collecting data from our sensors.
  • Continuously streaming update (CSU) technology for up-to-minute detections. This is not entirely new for v2014, but we now have really buttoned up the whole streaming update infrastructure to allow for reliable, uninterrupted service. We’re currently doing 350-400 updates a day, which equals to one update in roughly every 3.75 minutes, 24x7, 365 days a year. Streaming updates can now also carry more types of definitions than before.
  • Improved cleaning of malware. This applies to standard malware as well as rootkits and file infectors.
  • Other new features:
  • All-new web browser plugins featuring comprehensive security ratings, protection against malware, phishing and typosquatting sites and Do-Not-Track (DNT) functionality for improved anonymity on the Internet. The DNT functionality doesn’t rely on the DNT HTTP headers; instead, it uses a proprietary technology that cannot be overridden by the servers.
  • All-new SafeZone for more secure online shopping and banking. Users can now switch back and forth between SafeZone and the regular browser with a single click. Also, online banking sites can be automatically opened in the SafeZone.
  • Rescue disk - allow users to create a bootable CD or flash disk with Avast on it. Great for cleaning.
  • Other improvements:
  • A new, streamlined user interface for simplified navigation and more user comfort. The new UI is actually much simplified, and it’s probably the biggest change since version 5.0. We have also redefined the shields to the total number of three (File Shield, Web Shield, Mail Shield) and tweaked the action buttons (tiles) on the home page so that they’re now fully configurable.
  • Control and manage all protected devices directly from the Avast console. That is, the my.avast.com account is perfectly integrated in the UI to allow for management of all your devices running Avast.
  • Dramatic reduction in product size (full installer < 60MB, compared to today’s 120MB) and memory footprint. By default, install is done through a new stub installer though (which has the advantage of always installing the most up-to-date version).
  • Faster scanning thanks to optimized scanning engine (raw [in-memory] scans of EXE files are about 2x faster, while scans of text contents (e.g. web pages and scripts) are up to 10x faster).
  • Completely rewritten setup/updater that makes the installation and upgrade process faster, easier and more reliable
  • Firewall has been redesigned from scratch to allow for better compatibility with latest Windows, better performance and full support for IPv6 (although its UI hasn’t really changed).
  • New licensing system allows for much easier management of product licenses. The system relies on activation codes, and these can be added seamlessly by simply clicking a link.

New in Avast Free Antivirus 8.0.1496 Beta (August 8th, 2013)

  • make Script Shield compatible with the latest browser updates
  • several improvements in approach to virtualization - aswVmm
  • fixes for BSODs on Win 8.1

New in Avast Free Antivirus 8.0.1489 (May 10th, 2013)

  • BSOD fix in aswTdi.sys
  • Fixed WebRep crashes in IE
  • Fixed WebRep FF issue with not saving the position
  • SecureLine stability improvements

New in Avast Free Antivirus 8.0.1488 (May 3rd, 2013)

  • New SecureLine component
  • Screen readers compatibility improved
  • Software Updater improvements
  • Improved stability & performance
  • Fixed glitches in UI

New in Avast Free Antivirus 8.0.1486 R2 Beta 3 (April 26th, 2013)

  • WebRep plugins have been redesigned to provide stable and effective solution in all supported browsers

New in Avast Free Antivirus 8.0.1484 R2 Beta 1 (March 29th, 2013)

  • SecureLine - is a paid VPN service that both secures and anonymizes your internet connection on public or "open" (unsecured) Wi-Fi. Nobody can see who you are or what you are doing on the internet. Please be patient, this feature will be unblock for your test soon
  • Screen readers compatibility
  • Software Updater improvements (including a way to turn off Software Update persistently)
  • Shredder tool is showing a progress now
  • Improved stability & performance
  • Fixed glitches in UI

New in Avast Free Antivirus 8.0.1483 (March 8th, 2013)

  • Fixed issue with ZoneAlarm
  • Fixed issue with constant CPU frequency
  • Fixed issue with video players
  • Fixed issue with Virtual PC
  • Added some localizations

New in Avast Free Antivirus 8.0.1482 (February 28th, 2013)

  • Software Health module
  • Browser Cleanup tool
  • New User Interface
  • Data Shredder (Premier only)
  • AccessAnywhere (Premier only)
  • Improved Autosandbox/Sandbox technlogy
  • Improved General AV performance and stability

New in Avast Free Antivirus 8.0.1481 RTM (February 27th, 2013)

  • Fixed FW installation issues on Win8 (upgrade from v7)
  • New graphics placed
  • Fixed problem with "disappearing GUI" - CreditAlert component
  • Fixed issue with Chrome 25
  • Fixed IE plugin hangs
  • Fixed DHCP issues (unable to obtain IP address)

New in Avast Free Antivirus 8.0.1479 RC 1 (February 20th, 2013)

  • Some online content does not fit or is not translated yet
  • IE WebRep plugin doesn't work
  • AccessAnywhere computer list isn't sometimes refreshed
  • avast! v8 now runs on Win8 too
  • Problems with upgrading v7 to v8 on Win8 related to the network
  • XP performance problem solved
  • Automatic Profile detection in the firewall on Win7 solved
  • No information popup on controlled PC when client is connected via avast! AccessAnywhere
  • List of computers shows offline PCs and also those that don’t have AccessAnywhere activated
  • BSODs & Webshield crashes fixed
  • Problems with Security Center fixed
  • Ad Blocker has now final facelift
  • Stability issues with Outlook plugin solved
  • UI might hang sometimes during connecting to avast! account
  • Problems in data shredder solved
  • After facebook registration setup might crash so reboot is required to start avast! service
  • During softrial gui is not correctly updated
  • Trial period could not be activated (update from v7 to v8)
  • Missing pre-defined scan jobs (update from v7 to v8)

New in Avast Free Antivirus 8.0.1477 Beta 2 (February 12th, 2013)

  • avast! v8 now runs on Win8 too
  • XP performance problem solved
  • Automatic Profile detection in the firewall on Win7 solved
  • No information popup on controlled PC when client is connected via avast! AccessAnywhere
  • List of computers shows offline PCs and also those that don’t have AccessAnywhere activated
  • Stability issues with Outlook plugin solved
  • UI might hang sometimes during connecting to avast! account
  • Problems in data shredder solved

New in Avast Free Antivirus 8.0.1476 Beta 1 (February 12th, 2013)

  • New GUI
  • Software Updater
  • Browser Cleanup tool

New in Avast Free Antivirus 7.0.1474 (November 1st, 2012)

  • Win8 BSOD fixed (but still investigating some issues)
  • Crashes, freezes on WinXp 64b fixed
  • WebRep issues fixed
  • Sandbox stability improved

New in Avast Free Antivirus 7.0.1473 (October 24th, 2012)

  • Full compatibility with Windows 8
  • Outlook plugin stability and performance
  • Browser plugins stability
  • General AV performance and stability
  • Facebook integration

New in Avast Free Antivirus 7.0.1472 RC (October 19th, 2012)

  • Changes in this build:
  • Finalized METRO UI stuff (notifications, icons, etc.)
  • WebRep plugins are now working correctly in all major browsers
  • Fixed network problems on Win8
  • Fixed various crashes/BSODs based on BETA reports
  • Known issues:
  • Investigating occasional crashes on Win8 related to a new network driver
  • Waiting for the final review of Win8 logo program from Microsoft

New in Avast Free Antivirus 7.0.1466 (August 22nd, 2012)

  • Main changes/fixes:
  • More reliable processing of Soft-trial requests
  • Fixed "Black screen" syndrome
  • Fixed crashes in IE WebRep module
  • Fixed random switching to the Safezone
  • Improved stability & performance of Outlook plugin
  • Double VPS update sounds
  • Fixed SNX issues
  • Fixed some BSODs
  • Fixed some leaks

New in Avast Free Antivirus 7.0.1451 (June 29th, 2012)

  • Changes in the autosandbox module
  • Improvements in Remote Assistance (support for UAC prompts etc.)
  • Improvements in SafeZone (protection against kernel-mode keyloggers; Updated SafeZone Browser; clipboard sharing, etc.)
  • Outlook plugin redesign
  • Opera support in WebRep
  • SiteCorrect module for the detection of unwanted websites
  • Windows 8 compatibility updates
  • Emergency Updater

New in Avast Free Antivirus 7.0.1447 RC 1 (June 26th, 2012)

  • Emergency Updater

New in Avast Free Antivirus 7.0.1442 Beta (June 12th, 2012)

  • Changes in the autosandbox module
  • Improvements in Remote Assistance (support for UAC prompts etc)
  • Improvements in SafeZone (protection against kernel-mode keyloggers; Updated SafeZone Browser; clipboard sharing, etc.)
  • Outlook plugin redesign
  • Opera support in WebRep
  • SiteCorrect module for the detection of unwanted websites
  • Windows 8 compatibility updates

New in Avast Free Antivirus 7.0.1418 (March 7th, 2012)

  • Improved File System Shield speed
  • Improved AutoSandbox stability
  • Improved AutoSandbox controls
  • Improved gadgets
  • Compatibility with Win 8 Consumer Preview
  • Greater stability of Outlook plugins
  • Other security and stability-related improvements

New in Avast Free Antivirus 7.0.1412 R2 Beta (March 2nd, 2012)

  • Fixed issues:
  • Autosandbox BSODs
  • Too much activity of File System Shield
  • UI crashes
  • Show Installation Completed window just once
  • Problem with not running Mail shield
  • Incorrect marking emails as a SPAM
  • Slowdown of system after fresh installation
  • And some security & user improvements

New in Avast Free Antivirus 7.0.1407 (February 24th, 2012)

  • Reputation scanning via FileRep (cloud-based)
  • Streaming updates
  • Sandbox & Autosandbox improvements
  • Remote assistance
  • Browser protection improvements (including antiphishing)
  • New installer
  • Export/Import settings
  • UI facelift
  • Screensaver facelift
  • Runs on Win8 Developer Preview
  • Many other security and stability related fixes

New in Avast Free Antivirus 7.0.1403 RC (February 23rd, 2012)

  • On Win 7, you can now switch between the horizontal and vertical orientation of the avast! desktop gadget
  • avast! Account portal will be finalized in the following few days; the basic functionality is already there. Enjoy.
  • Autosandbox malware analysis is not yet fully functional (it will be turned on [through the VPS] soon)

New in Avast Free Antivirus 7.0.1401 Beta 3 (February 18th, 2012)

  • New avast! Gadget
  • Fixed avast! Remote Assistance
  • Improved Helps & Localizations
  • Registration is working again
  • Account Settings page is functional

New in Avast Free Antivirus 7.0.1396 Beta (February 9th, 2012)

  • New features:
  • New installer
  • UI facelift
  • FileRep service (cloud based)
  • Streaming updates
  • Sandbox & Autosandbox improvements
  • Browser protection improvements
  • Remote assistance feature to help your friends with computer troubles
  • Support tool
  • Export/Import settings
  • Screensaver facelift
  • runs on Win8 Developer Preview
  • and many, many security improvements

New in Avast Free Antivirus 6.0.1356 Beta (November 22nd, 2011)

  • Script Shield now works with Google Chrome, all versions of Firefox and Acrobat Reader
  • Improvements in WebRep plugins (especially IE)
  • Stability improvements in aswSP.sys and the avast! sandbox
  • File system shield: improved on-close scanning
  • avast! Internet Security: new antispam engine
  • Web Shield and Script Shield: more options in the UI

New in Avast Free Antivirus 6.0.1352 Beta (November 14th, 2011)

  • Script Shield now works with Google Chrome, all versions of Firefox and Acrobat Reader
  • Improvements in WebRep plugins (especially IE)
  • Stability improvements in aswSP.sys and the avast! sandbox
  • File system shield: improved on-close scanning
  • avast! Internet Security: new antispam engine
  • Web Shield and Script Shield: more options in the UI

New in Avast Free Antivirus 6.0.1351 Beta (November 12th, 2011)

  • Script Shield now works with Google Chrome, all versions of Firefox and Acrobat Reader
  • Improvements in WebRep plugins (especially IE)
  • Stability improvements in aswSP.sys and the avast! sandbox
  • File system shield: improved on-close scanning
  • Web Shield and Script Shield: more options in the UI

New in Avast Free Antivirus 6.0.1289 (September 7th, 2011)

  • New Script Shield - now scanning deeper and supporting more host processes
  • Web Shield now scanning all processes by default
  • Stability improvements in aswSP.sys
  • Better tracking of file sources
  • WebRep now working in new versions of Firefox
  • Under-the-hood improvements in the Behavior Shield and Sandbox modules
  • Solved a compatibility problem with certain Steam-based games
  • Minor improvements in the product UI
  • Various other security and stability related fixes

New in Avast Free Antivirus 6.0.1279 Beta (September 1st, 2011)

  • Solved a compatibility problem with QQ
  • Solved a compatibility problem with certain Steam-based games
  • Script Shield: Implemented a scanning cache which should prevent redundant/repetitive scans
  • Script Shield: Implemented scan exclusion settings
  • Script Shield: Now works with Firefox 7/8/9 betas
  • Web Shield: scanning of all processes can now be disabled in shield's Expert Settings
  • Cosmetic changes in the UI

New in Avast Free Antivirus 6.0.1273 Beta (September 1st, 2011)

  • Solved the Firefox crash issue
  • A few stability improvements in the sandbox module (e.g. PDF reader support)
  • Cosmetic changes in the UI

New in Avast Free Antivirus 6.0.1203 (July 5th, 2011)

  • improved compatibility with Windows Vista SP0/SP1 (activation issues)
  • attempt to solve the "Windows Media Player using a red skin" problem
  • Firewall: solved the compatibility problem with uTorrent
  • improved load time of WebRep IE plugin
  • fixed a bug in Google Chrome WebRep plugin causing excessive CPU usage
  • improvements in the silent installer
  • improved the CommunityIQ sample submission process
  • improved detection/removal of the most stubborn rootkits (TDL family)
  • various stability and compatibility improvements in the sandbox module
  • added new CreditAlert feature (US customers only)
  • added Thai and Serbian language packs

New in Avast Free Antivirus 6.0.1198 Beta (July 1st, 2011)

  • Important changes:
  • improved compatibility with Windows Vista SP0/SP1
  • attempt to solve the "Windows Media Player using a red skin" problem
  • Firewall: improved compatibility with uTorrent
  • improved the sample submission process
  • introduced new CreditAlert feature (US customers only)
  • improved load time of WebRep IE plugin
  • improvements in the silent installer
  • improvements in the sandbox module
  • added Thai and Serbian language packs
  • New:
  • Firewall: the long-standing uTorrent compatibility problem should now be finally resolved
  • improved tracking of file sources
  • improvements in the installer
  • fixes of bugs reported in the previous beta

New in Avast Free Antivirus 6.0.1184 Beta (June 22nd, 2011)

  • improved compatibility with Windows Vista SP0/SP1
  • attempt to solve the "Windows Media Player using a red skin" problem
  • Firewall: improved compatibility with uTorrent
  • improved the sample submission process
  • introduced new CreditAlert feature (US customers only)
  • improved load time of WebRep IE plugin
  • improvements in the silent installer
  • improvements in the sandbox module
  • added Thai and Serbian language packs

New in Avast Free Antivirus 6.0.1125 (May 11th, 2011)

  • solved a problem in aswSP.sys that could lead to a system crash
  • improved tolerance for corrupted installations
  • when updating from a previous version of avast Pro/IS, SafeZone is now automatically added
  • solved a compatibility problem with Malwarebytes Anti-Malware Pro
  • improved cleaning of rootkits
  • fixes in Chrome WebRep plugin
  • Behavior Shield: improved compatibility with other applications
  • improvements in the CommunityIQ submission system
  • various performance and compatibility improvements

New in Avast Free Antivirus 6.0.1091 (April 19th, 2011)

  • Solved a compatibility problem with ZoneAlarm (WinXP)
  • Added WebRep Chrome extension
  • Improved installation of the WebRep plugins (especially Firefox)
  • Various fixes and improvements in the avast sandbox
  • Setup programs now smaller by ~20%
  • Community features and the Welcome screen can now be turned on/off directly from program settings
  • Solved a compatibility problem with Outpost firewall
  • Solved a bug related to the AutoSandbox offer (WinXP)
  • Gadget can now be removed by simply closing it
  • Solved a compatibility problem with GameGuard and sXe
  • SafeZone improvements
  • Improved sandbox logging
  • SafeZone is now a standalone setup package (can be installed/uninstalled separately)
  • Improvements in password processing
  • Improvements in the program uninstaller
  • Solved a memory leak in the avast gadget
  • Fixes in the File System Shield transient cache
  • Various stability/compatibility improvements

New in Avast Free Antivirus 6.0.1000 (March 8th, 2011)

  • NEW! AutoSandbox suspicious programs will be optionally run sandboxed
  • NEW! avast! WebRep browser plugin for website reputation rating; a combination of data from our virus lab and community voting
  • NEW! SafeZone a special virtualized area for sensitive transactions (e.g. secure online banking) (paid products only)
  • Script Shield now even in the Free AV
  • Site Blocking now even in the Free AV
  • fixed USB Safe Removal issue
  • Restore factory settings command (Settings -> Troubleshooting)
  • Automatic actions in the boot-time scan
  • Script Shield now functional even with IE8/IE9 Protected Mode
  • Sidebar gadget
  • Improved stability/compatibility of the Behavior Shield
  • Improvements in the avast! sandbox
  • Fixes in the Outlook plugin

New in Avast Free Antivirus 6.0.934 Beta (January 31st, 2011)

  • Main changes/improvements:
  • AutoSandbox - suspicious programs will be optionally run sandboxed
  • avast! WebRep - browser plugin for website reputation rating; a combination of data from our virus lab and community voting
  • Script Shield now even in the Free AV
  • Site Blocking now even in the Free AV
  • Restore factory settings command (Settings - Troubleshooting)
  • Automatic actions in the boot-time scan
  • New compression method in the installer makes the setup packages about 20% smaller.
  • Script Shield now functional even with IE8/IE9 Protected Mode
  • Sidebar gadget
  • Improved stability/compatibility of the Behavior Shield
  • Improvements in the avast! sandbox

New in Avast Free Antivirus 5.1.889 (January 13th, 2011)

  • solved a compatibility problem with CorelDraw X5
  • solved a compatibility problem with Acer control software
  • solved a problem inserting a license file via the installation wizard
  • solved a compatibility problem with some Dell wireless network adapter drivers
  • solved a compatibility problem with Game Guard (used by a number of games)
  • solved a compatibility problem with Sibelius
  • solved various 0xC0000005 and 0xC000007B errors (e.g. with some .NET applications)
  • issues related to upgrades from v5.0 (inactive shields, missing right-click associations, missing 64-bit boot-time scanner etc)
  • solved some possible deadlock conditions (relatively rare but possible)
  • performance related improvements
  • various UI related improvements

New in Avast Free Antivirus 5.1.864 (January 3rd, 2011)

  • The most notable improvements are:
  • boot-time scanner now available even in 64-bit Windows
  • big improvements in the Behavior Shield
  • improvements in the antirootkit engine
  • improvements in the cleaning module
  • stability/performance improvements in the Web Shield
  • CommunityIQ improvements
  • added support for sound packs
  • minor improvements in the user interface
  • minor fixes in the firewall

New in Avast Free Antivirus 5.1.798 Beta (December 7th, 2010)

  • Most notable improvements include:
  • Boot-time scanner for 64-bit OSes (finally!)
  • Behavior Shield improvements - now with more sensors and able to detect exact offenders*
  • Improved cleaning of infected computers
  • Improved anti-rootkit engine - now capable of dealing with the latest TDL variants, for example
  • Web Shield improvements (both stability and performance related)
  • Mail and Web Shields not hosted in separate NT services anymore, resulting in much faster starts
  • IS: new version of antispam engine
  • Sound packs (more info coming later)
  • *The Behavior Shield functionality is still incomplete in this build. And even in the final v5.1, it will work only in "passive mode", which means that the new sensors will be active but won't be stopping the attacks, just reporting them to our backend infrastructure (unless you have opted out from the avast! community membership). This is to allow us to collect enough data before enabling the real thing in Q1 2011.

New in Avast Free Antivirus 5.0.677 (September 8th, 2010)

  • solved a problem that could lead to disappearing of the avast service
  • Behavior Shield: solved a minor stability issue (aswSP.sys) + solved a Win7 issue
  • performance and stability improvements in the avast! sandbox
  • changes in the engine allowing us to generically detect/block some new types of exploits
  • speed improvements in the updater
  • IS: fixed a vulnerability in aswFw.sys (Secunia Advisory SA40868)
  • solved a vulnerability related to license files (Secunia Advisory SA41109)
  • solved a problem with scanning of files with very long path names
  • fixed the updater in East-Asian versions of avast running with Windows set to a different locale
  • IS: improvements in the Outlook antispam plugin
  • IS firewall: improvement in the path name matching
  • IS: upgraded to the new version of antispam engine
  • minor changes and fixes in the GUI
  • fixes in the screen reader support
  • fixed a bug where the File System Shield was scanning some files even after being disabled
  • added trimming of setup.log
  • added Danish, Hebrew and Urdu language packs

New in Avast Free Antivirus 5.0.673 Beta (September 4th, 2010)

  • more improvements in the avast sandbox
  • few fixes in the new language modules
  • Firewall: improvement in the path name matching (now handling correctly symbolic links etc)
  • added trimming of setup.log
  • a stability improvement in the avast service

New in Avast Free Antivirus 5.0.668 Beta (September 1st, 2010)

  • solved the pesky memory leak introduced in v5.0.661
  • a few cosmetic fixes in the UI
  • improvements in the avast sandbox
  • improvements in the Outlook antispam plugin (it would be helpful if users of the avast Internet Security could test this one).

New in Avast Free Antivirus 5.0.661 Beta (August 28th, 2010)

  • solved the vulnerability related to license files (Secunia Advisory SA41109)
  • solved a UI crash condition during File system shield detections
  • solved a problem with scanning of files with very long path names
  • fixed the updater in East-Asian versions of avast running with Windows set to a different locale
  • added Urdu language pack

New in Avast Free Antivirus 5.0.656 Beta (August 24th, 2010)

  • Most notable improvements include:
  • solved a problem that could lead to disappearing of the avast service
  • Behavior Shield: solved a minor stability issue (aswSP.sys)
  • performance and stability improvements in the avast! sandbox
  • changes in the engine allowing us to generically detect/block some new types of exploits
  • speed improvements in the updater
  • IS: fixed a vulnerability in aswFw.sys (Secunia Advisory SA40868)
  • IS: upgraded to the new version of antispam engine
  • minor changes and fixes in the GUI
  • fixes in the screen reader support
  • added Danish and Hebrew language packs

New in Avast Free Antivirus 5.0.594 (June 29th, 2010)

  • improved interaction with Windows System Restore; namely, avast now auto-repairs itself when it detects a corrupted VPS due to a System Restore (or other reasons)
  • aswSP.sys: solved a minor stability issue
  • solved a problem related to inserting of the license files
  • added the activation codes feature
  • improvements in the avast! sandbox
  • solved a problem when avast was continuously slowing down (especially in conjunction with the screensaver)
  • performance improvements in the Behavior Shield
  • avast Screen saver now accessible even in 64-bit Windows Vista
  • stability improvement in aswTdi.sys (solved a compatibility problem with AVG)
  • IS firewall: solved a potential BSOD condition
  • various improvements in the avast! sandbox module
  • minor fixes in the GUI
  • added Catalan and Belarusian language packs

New in Avast Free Antivirus 5.0.545 (May 7th, 2010)

  • Solved a bug related to submission of false positives
  • Improvements in the Behavior Shield (realtime antirootkit part)
  • Sandbox: many functional, stability and performance improvements
  • Firewall: VPN compatibility fixes (should now work even in Public zone etc)
  • Firewall: solved an issue related to hang and/or crash of the afwServ.exe process
  • Finally works with major screen readers (avast is now blind-friendly)
  • Compatibility improvements in the Web Shield
  • Various fixes in the Outlook antispam add-in
  • Improved detection of droppers
  • Setup program of the Pro AV now also accepts v4.x license keys
  • Right-to-left support
  • Added Croatian and Arabic language packs

New in Avast Free Antivirus 5.0.507 (April 15th, 2010)

  • scanning and virus chest features now accessible even from Windows Safe Mode
  • aswSP.sys: solved a minor stability issue (fixed duplicating of protected handles)
  • enhanced compatibility with various Winsock LSPs
  • various improvements in the avast! sandbox
  • improved cleaning of file infecting viruses
  • added compatibility with screen readers; avast! should now be reasonably accessible to visually impaired users
  • system files imported to the virus chest after upgrade from v4.8 are now removed
  • various fixes in the Outlook antispam add-in
  • fixes in ashUpd.exe
  • minor improvements in the installer, especially when upgrading from avast v4.8
  • avast! Screen saver can be now configured via the screensaver properties dialog
  • minor fixes in the GUI
  • added Dutch, Portuguese (Portugal), Norwegian, Finnish, Slovenian, Turkish and Vietnamese language packs

New in Avast Free Antivirus 5.0.499 Beta (April 11th, 2010)

  • Most notable improvements include:
  • scanning and virus chest features now accessible even from Windows Safe Mode
  • aswSP.sys: solved a minor stability issue (fixed duplicating of protected handles)
  • Pro AV / IS: solved file enumeration problem on FAT32 partitions
  • enhanced compatibility with various Winsock LSPs
  • various improvements in the avast! sandbox
  • improved cleaning of file infecting viruses
  • added compatibility with screen readers; avast! should now be reasonably accessible to visually impaired users
  • system files imported to the virus chest after upgrade from v4.8 are now removed
  • IS firewall: solved a problem related to VPN connections (Windows XP)
  • IS firewall: solved a problem related to Xbox360 media sharing
  • IS firewall: solved a potential BSOD condition when changing logical drive mappings
  • IS firewall: solved a potential crash when saving the packet rules
  • Pro AV / IS: solved a compatibility problem with PerfectDisk 11
  • Pro AV / IS: ashCmd.exe switch /@ should work again
  • minor improvements in the installer, especially when upgrading from avast v4.8
  • avast! Screen saver can be now configured via the screensaver properties dialog
  • minor fixes in the GUI
  • added Dutch, Portuguese (Portugal), Norwegian, Finnish and Slovenian language packs

New in Avast Free Antivirus 5.0.373 Beta (January 19th, 2010)

  • The main goal of this new version is to improve stability of the Behavior Shield and Firewall components. It would be great if it could be tested especially by those who have had problems with the previous betas (e.g. bsods etc).

New in Avast Free Antivirus 5.0.366 Beta (January 16th, 2010)

  • flaky browsing (in IE)
  • high CPU usage in the System process
  • general stability issues
  • BSODs caused by the sandbox

New in Avast Free Antivirus 5.0.363 Beta (January 15th, 2010)

  • crashes related to the Behavior Shield module
  • many improvements in the firewall
  • improvements in the sandbox
  • other stuff in the Behavior Shield
  • fixes in the antirootkit module
  • cosmetic fixes

New in Avast Free Antivirus 5.0.332 Beta (December 31st, 2009)

  • crashes related to the Behavior Shield module
  • few more memory leaks in the firewall
  • other stuff in the Behavior Shield
  • a few issues in the sandbox

New in Avast Free Antivirus 5.0.326 Beta (December 29th, 2009)

  • solved a nasty memory leak in AIS (reported a few times on the forum)
  • (hopefully) solved all the issues related to trial licenses and registrations
  • solved scan areas in custom scans
  • solved areas in boot-time scanner
  • solved some Behavior Shield -related crashes in aswSP.sys
  • solved some sandbox-related crashes in aswSnx.sys
  • stability and functional improvements in the firewall

New in Avast Free Antivirus 5.0.314 Beta (December 24th, 2009)

  • There are many fixes in this build as well as some new stuff (sorry, no detailed change log for now). Stability of the IS should now be substantially improved. A few things are still not implemented (a few of the firewall features, such as the Firewall logs, the low-level packet rules and the Process control expert settings).

New in Avast Free Antivirus 5.0.259 Beta (December 1st, 2009)

  • solved the pesky updater issue (AvastUI.exe error 0xC0000022)
  • solved a rare BSOD issue in aswSP.sys

New in Avast Free Antivirus 4.8.1368 (November 28th, 2009)

  • now compatible with Windows 95/98 again

New in Avast Free Antivirus 4.8.1367 (November 26th, 2009)

  • improvements in the malware URL blockers
  • solved a vulnerability in aswRdr.sys (CVE-2009-4049) (special thanks to Giuseppe Bonfa)

New in Avast Free Antivirus 5.0.221 Beta (November 6th, 2009)

  • here I am with another beta refresh of avast 5 (version number 5.0.221).
  • I don't have a change log at this time but a number of the things discussed here should be fixed in this build, as well as a good number of others that we found internally.
  • Again, it should be possible to reliably install this version over an existing avast 4.8 (or previous 5.0) installation. Actually, upgrading from v4.8 is a good test case and we would appreciate your feedback on how well it works.

New in Avast Free Antivirus 5.0.167 Beta (October 16th, 2009)

  • improvements in the Explorer right-click scan
  • improvements in the localizations (French, Italian, German, Spanish, Portuguese, Czech, Polish, Russian and Chinese localizations should now be complete)
  • Add and Submit commands in the virus chest now working
  • fixed a few memory leaks in the GUI process
  • boot-time scan logs now in the Scan logs folder (this feature is still unfinished)
  • added controls for actions on infected files inside archives
  • fixed the Block command in the Ask dialog
  • improvements in the silent installer
  • the program is now working under Windows 2000 (SP4 or higher)

New in Avast Free Antivirus 5.0.150 Beta (October 8th, 2009)

  • definition updates (GUI gets refreshed, new defs get reloaded etc)
  • ability to make config changes under non-admin users (or non-elevated in case of Vista/W7)
  • WebShield now working after changing its settings (if upgrading from a previous beta, and you had this issue, you need togo to WebShield's settings, Web scanning page, and ccheck the Scan all files radio button)
  • better About box
  • added help files (English and a few other languages)
  • sizes/positions of windows are now persisted
  • minimize button works as expected
  • ability to view report file after a scan
  • added "persistent cache" feature log - should be useful to troubleshoot AvastSvc.exe CPU usage peaks. The log file is called Logusntr.log

New in Avast Free Antivirus 4.8.1356 (September 25th, 2009)

  • solved a memory leak in the GZIP unpacker
  • solved vulnerabilities in AavmKer4.sys, aswMon2.sys and ashWsFtr.dll (special thanks to Giuseppe Bonfa, Alex and Maxim A. Kulakov)

New in Avast Free Antivirus 4.8.1335 (February 6th, 2009)

  • improvements in some unpackers (WinExec, Installer, ZIP)
  • improved memory scan, especially under 64-bit operating systems
  • fixed a possible deadlock condition when copying system files from some removable media
  • fixed a possible problem with access rights when deleting infected files on reboot
  • Web Shield: minor stability fixes
  • Internet Mail: smtp.gmail.com and smtp.live.com now ignored on port 25 (as these are SSL only)
  • improved healing of some infected files
  • various fixes and improvements in the scanning engine
  • Web Shield now scans pages compressed with the "deflate" algorithm
  • performance optimization of Standard Shield under Windows Vista
  • improvements in the automatic sample submission system
  • improvements in the URL blocker

New in Avast Free Antivirus 4.8.1296 (November 27th, 2008)

  • minor improvements in some unpackers
  • improvements in the false positive submission system
  • speed optimization in kernel-mode components
  • XML scan reports now generated in UTF-8 format (allow for non-Latin characters)

New in Avast Free Antivirus 4.8.1290 (November 19th, 2008)

  • improvements in the malware submission system
  • minor improvements in some unpackers
  • improvements in the rootkit scanner
  • Network Shield: solved a problem occurring on systems with missing TCP stack

New in Avast Free Antivirus 4.8.1287 (November 18th, 2008)

  • improvements in the malware submission system
  • minor improvements in some unpackers
  • improvements in the rootkit scanner
  • Network Shield: solved a problem occurring on systems with missing TCP stack

New in Avast Free Antivirus 4.8.1282 (November 13th, 2008)

  • improvements in some unpackers (Zip, 7-Zip, WinExec, Installer)
  • fixed incompatibility with ext2fsd driver
  • fixed a problem in The Bat! plugin (causing orphaned thebat.exe processes after the program was closed)
  • added new unpacker "droppers" (by default turned on in all tasks including the real time scanner)
  • fixed a problem with actions on infected files with special names
  • Network Shield: added a component for blocking of malware URLs
  • added the possibility of sending of statistical information about detected viruses
  • added a new option of reporting of false positives
  • improved the submission from the Virus Chest (now based on HTTP protocol)
  • added a component for gathering of new samples from exploited pages
  • implemented a limit of the maximum size of the selfdef.log file
  • speed optimizations in the updater
  • speed optimizations in the scanning engine
  • solved a minor conflict with McAfee SiteAdvisor
  • added support for the Windows Security Center in Vista SP1 (new API)
  • minor fixes in the Web Shield
  • removed support for ICQ a MSN Messenger alerts

New in Avast Free Antivirus 4.8.1201 (May 16th, 2008)

  • solved incompatibility with System Safety Monitor
  • improved compatibility of the self defense module with XP SP3 (and its installation)
  • minor enhancements in the Web Shield (detection of streaming content)
  • minor fixes in the updater

New in Avast Free Antivirus 4.8.1195 (May 13th, 2008)

  • solved incompatibility of the avast self protection module and the System Restore feature (Windows XP/Vista)
  • solved keyboard/mouse lags in some games (e.g. World of Warcraft)
  • "Quick" scan now quick again (in the previous version, it was usually slower than "Normal" scan)
  • fixed slow resuming from hibernation (on certain systems)
  • improved stability of aswSP.sys kernel driver
  • fixed deleting of infected files in some nested archives
  • shell extension: under Windows Vista, shortcut targets are now correctly scanned
  • boot-time scanner now correctly displays warning messages about corrupted archives
  • improved scanning speed in the Simple user interface
  • improved handling of scan exceptions
  • self protection: improved detection of changes in the INI file
  • start of the "avast! Mail Scanner" service should now be fast again
  • fixed a problem with avast being installed in a directory with name containing non-Latin characters
  • fixed entering of the license key (didn't work in certain configurations)
  • improved detection/healing of MBR rootkits
  • avast can now correctly handle the case when the INI file is missing/corrupted
  • the "Disable startup rootkit scan" option on the Troubleshooting page now effective
  • P2P Shield: added support for Azureus Vuze and Qtrax
  • taskbar messages from Internet Mail should now correctly handle most common character encodings
  • fixed problems with the boot-time scanner on FAT[32] partitions
  • small improvements in some unpackers (WinExec, RAR, CHM)
  • fixed the message announcing the license key going to expire soon
  • on 64-bit Windows, avast now detects both 32-bit and 64-bit version of the WHS connector
  • the avast Home / Pro Edition comparison window is now correctly displayed even under Windows 9x

New in Avast Free Antivirus 4.8.1169 (March 30th, 2008)

  • avast! now contains a built-in anti-rootkit protection
  • avast! now comes with a built-in anti-spyware protection
  • new self-defense function to prevent active malware from terminating avast! processes as well as corrupting avast! files and registry items
  • scanners now display a progress of current scan (percentage of work done)
  • fixed a vulnerability in AavmKer4.sys kernel-mode driver (problem applies to Windows NT/2000/XP, 32-bit only)
  • improvements in boot-time scanner (detection & removal of hidden or hard to delete files)
  • boot-time scanner will not start when booting into Safe Mode (the program was "invisible" in that case, no progress/messages could be seen)
  • improvements in many unpackers
  • ACE and RAR unpackers now work even in boot-time scanner
  • IM Shield: added support for QQ
  • improvements in handling of NTFS streams
  • Internet Mail provider now displays the name of the sending/receiving program in the tooltip of its taskbar icon
  • implemented a protection against false positives in critical system files
  • removed a small memory leak in one of avast! drivers (Windows Vista and XP 64-bit only)
  • added support for 64-bit WHS connector (available in WHS Power Pack 1)
  • greatly improved performance of the updater, especially in cases where many increments are being downloaded (e.g. avast! installations with outdated virus definitions)
  • silent installation now also includes scheduled tasks, if any
  • resolved a compatibility issue with Acronis TrueImage (XP 64-bit only)
  • compatibility tests with Vista SP1 and XP SP3

New in Avast Free Antivirus 4.7.1098 (December 5th, 2007)

  • fixed a vulnerability in TAR unpacker (special thanks to "Sowhat" of Nevis Labs)
  • improvements in various unpackers (winexec, installer, CAB, NTFS Streams)
  • boot-time scanner now functional even with USB keyboards
  • speed improvements in the Outlook plugin (Windows XP )
  • Web Shield: compatibility improvements
  • Internet Mail provider: improvements on Windows Vista
  • CAB unpacker now working in boot-time scan
  • RAR unpacker modified so that it is now more tolerant to certain corrupted archives (issue reported by Thierry Zoller of n.runs AG)
  • Professional Edition: scheduled scan progress icon now accessible even in Windows Vista
  • Windows 9x/ME: fix in the Mail Protection Wizard (related to Mozilla Thunderbird accounts)
  • fixed a bug in the scan area selection dialog in Windows NT/2000
  • optimizations in the updater
  • removed mail heuristics false alarm (related to TNEF attachments)

New in Avast Free Antivirus 4.7.1043 (September 6th, 2007)

  • fixed a problem in the boot-time scanner (prevents the intermittent "Unhandled Exception" errors)
  • added Inno Setup unpacker
  • speed optimization of certain operations (e.g. scanning of emails in the Internet Mail provider)
  • Standard Shield: fixed a memory leak (Windows NT/200/XP)
  • mail scanner: fix in IMAP handler (solves problems with Nortel CallPilot, for example)
  • Windows Vista: removed the conflict with Asus Data Security Manager
  • Web Shield: now scans even data returned from HTTP POST requests
  • speed improvements in the area selection dialog
  • fixed various small issues on Windows Vista

New in Avast Free Antivirus 4.7.1029 (July 28th, 2007)

  • infrastructure changes in the scanning engine bringing higher detection rates
  • fixed a bug that was sometimes causing crash of the avast screensaver during its initialization
  • improved handling of corrupted files in the SIS and CAB unpackers
  • Standard Shield: fixed a minor memory leak in the Vista (and Vista only) driver
  • Standard Shield: improved the "move to chest" command in Vista
  • Standard Shield: the default scan exceptions are no valid for read/write access only (no execute)
  • added more "installer" unpackers
  • added more Win32 executable unpackers (Enigma etc.)
  • for NTLM proxy authorization (via ISA Server) it is now possible to specify the account under which the avast service will perform the update
  • added Arabic language pack

New in Avast Free Antivirus 4.7.9976 (April 30th, 2007)

  • program installation now completes successfully even if Spyware Doctor is installed (the "OnGuard" module of Spyware Doctor contains a bug that was previously preventing the avast installation from working correctly)
  • program installation now better handles the situation when repairing previous (corrupted) installs
  • mail scanner: fix for marking of new emails as "read" (the problem was taking place in Thunderbird 2.0 in conjunction with some IMAP servers)
  • fix for scanning of areas with East Asian names (Windows NT/2000/XP/Vista)
  • added Armadillo unpacker

New in Avast Free Antivirus 4.7.986 (April 19th, 2007)

  • fixed the Outlook/Exchange provider on Windows 9x/ME
  • solved incompatibility of memory scan with certain 3rd party applications
  • fixed the boot-time scan under Windows NT 4.0

New in Avast Free Antivirus 4.7.981 (April 14th, 2007)

  • fixed extra-long duration of the boot-time scan under Windows Vista
  • WebShield: improved compatibility with Windows Vista
  • WebShield: better support for HTTP method CONNECT in upstream proxy scenarios
  • fixed a minor memory leak in aswrdr.sys
  • auto-updates now use much less CPU resources (should not interfere with other CPU-intensive programs running on the computer, e.g. games)
  • added a new unpacker: "installers"; useful especially for detection of malware droppers
  • Outlook/Exchange provider: improved compatibility with Outlook 2007
  • boot-time scanner: fix for the case when there's the /NOGUIBOOT option in boot.ini
  • fixed a problem in Standard Shield under Windows Vista related to saving of Word 2007 documents on FAT partitions
  • email alerts now use correct formatting even for non-Latin characters
  • fixed a rare problem in Standard Shield related to handling of disk volumes mounted to NTFS directories
  • further enhancements in executable unpackers
  • fixed a bug in ZOO unpacker (special thanks to Jean-Sbastien Guay-Leroux)
  • task scheduler: it's now possible to specify which days of week the task should run
  • command-line scanner (ashCmd.exe) now supports a couple of more command-line options, mostly related to handling of infected files[/li]
  • mail scanner: improved deleting of entire emails (virus embedded in email body)
  • fixed opening of the sounds settings dialog under certain operating systems
  • avast! screensaver now available even under Windows Vista 64-bit
  • better detection of corrupted/modified VPS file
  • WebShield: other minor fixes
  • added Macedonian, Croatian and Portuguese (not Brazil) language packs

New in Avast Free Antivirus 4.7.942 (January 16th, 2007)

  • Standard Shield works on Vista 64bit again
  • fixed problems with (missing or non-functional) resident protection virus warning popup, occurring on some systems

New in Avast Free Antivirus 4.7.938 (January 16th, 2007)

  • fixed a problem with password-lock for resident protection settings
  • fixed very slow updating on Windows 95/98/ME

New in Avast Free Antivirus 4.7.936 (January 13th, 2007)

  • higher performance of the scanning engine (especially on new CPUs) and faster start of the avast! system service on OS boot
  • improved support for Windows Vista (added support for NTFS transactions (also known as TxF) etc.)
  • improved detection of full-screen applications
  • fixed a bug related to the demo licence not being installed during silent installs
  • improved compatibility with Windows offline folders
  • more improvements in executable unpackers
  • minor fixes in the ZIP unpacker
  • fixed Runtime error R6034 messages when Mozilla Thunderbird version 3.0 is installed
  • suppressed double scans when the user selected a local disk scan plus a folder scan (with the folder residing on the local disk)
  • added Catalan language module

New in Avast Free Antivirus 4.7.892 (September 26th, 2006)

  • avast is now finally compatible with Windows Vista RC1; also, the "remediations" in Vista Security Center are now functional
  • added CHM unpacker (and this time, as an extra benefit, it should work even in the boot-time scanner)
  • fixed a bug in the UPX unpacker
  • added a couple of new Win32 unpackers
  • added a workaround to problems with compatibility with Sunbelt Kerio Personal Firewall (remaints of menus on the screen seldom hang of avast program on start)
  • no more attempts to delete files on read-only media
  • improved detection of ZoneAlarm Pro (to prevent unnecessary WebShield incompatibility warnings)
  • avast! screen-saver now uses better algorithm to remember last scan position
  • added Swedish and Slovenian language versions

New in Avast Free Antivirus 4.7.869 (August 7th, 2006)

  • Standard Shield now compatible with NT systems set up for the C@ security standard
  • minor fixes in the data storage
  • auto-updater now run with normal priority (used to be high priority)
  • minor enhancements in a number of unpackers (e.g. added support for old versions of UPX)
  • fixed a bug in LHARC unpacker
  • fixed a bug related to deletion of files from certain special archives; the "move to chest" operation used to, under certain circumstances, cause the file to be actually extracted to the avast folder
  • attempt to solve the problem with corruption of ThunderBird mailbox when a virus is found in its first email
  • files not scanned because of scan exclusions are not displayed in the Simple UI results dialog anymore
  • hyperlinks (e.g. "virus information") are now opened in browser's new window
  • Windows 9x: fixed a bug in data storage causing incorrect behavior if the program was installed to a folder with non-Latin character path name
  • minor optimization of memory consumption of the "avast! Antivirus" service (process ashServ.exe/aswServ.exe)
  • updater now more tolerant to corrupted data files

New in Avast Free Antivirus 4.7.844 (June 1st, 2006)

  • improvements in executable packers (most notably, ASProtect unpacker)
  • fixed incorrect handling of non-Latin characters in the data storage
  • Outlook plugin: now compatible with Windows Vista
  • avast! now working correctly under Windows Vista 64-bit builds
  • fixed incorrect statistics in sessions of scheduled tasks
  • fixed a problem in the creation of silent installation (Professional Edition)
  • fixed a subtle bug in the data storage (occuring after deleting an object)
  • temporarily disabled the CHM unpacker (for security reasons)
  • added Danish language version

New in Avast Free Antivirus 4.7.817 (April 19th, 2006)

  • Standard Shield: by default, system DLLs are not scanned anymore (speed optimization)
  • further improved Standard Shield speed under Windows XP (generally, less files are scanned)
  • Standard Shield: improved compatibility with Microsoft Office (particularly, saving of Excel documents on network shares)
  • mail scanner now doesn't show Timeout Expired messages; the program was modified so that the respective timeout can be controlled by the mail client itself
  • mail scanner: solved problem with the mail client reporting expired timeouts when sending larger emails via slow connectections
  • mail scanner: fixed problem with delays during IP address reverse-lookup
  • mail scanner: fixed displaying of tray icon
  • P2P Shield: added support for Winny2 and Google Talk
  • Web Shield: improved compatibility with Win9x
  • transition to new data storage - avast does not need the ODBC/Jet drivers anymore and should therefore work better even under older versions of Windows (95/98/ME, NT4)
  • fixed a bug in the Script Blocker module that was causing conflicts with some programs under non-English Windows (e.g. the German invoice system Lexware)
  • added support for additional executable packers (e.g. MoleBox)
  • fixed a bug that was sometimes causing very slow scanning of CAB archives
  • boot-time scanner: added support for additional archives (GZ, BZIP2, TAR, LHARC, ZOO)
  • improved handling of infected files with exotic filenames
  • solved a problem with setting of incorrect access rights to the avast executable files
  • removed a limit of maximal length of winpopup alerts (used to be 128 characters)
  • Enhanced User Interface: infected items are now marked as red
  • implemented new method of deleting of locked infected files (now using the boot-time scanner technology)
  • this new version is now compatible with the Windows Disk Protection feature from Microsoft Shared Computing Toolkit. For more information, please refer to the FAQ section
  • Avast should now work flawlessly with Windows Vista beta 2 and higher (Vista beta 2 will be released in the first half of May, i.e. in about 3 weeks); unfortunately, in beta1 CTP builds