avast! Managed Client Revision History

Version 4.7.700

May 16, 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)
• added a new unpacker: "installers"; useful especially for detection of malware droppers
• added Armadillo unpacker
• further enhancements in executable unpackers
• Outlook/Exchange provider: improved compatibility with Outlook 2007
• boot-time scanner: fix for the case when there's the /NOGUIBOOT option in boot.ini (or BCD on Windows Vista)
• 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
• fixed a bug in ZOO unpacker (special thanks to Jean-Sébastien Guay-Leroux)
• fixed bugs in SIS and CAB unpackers (special thanks to Sergio Alvarez)
• command-line scanner (aswCmd.exe) now supports a couple of more command-line options, mostly related to handling of infected files
• mail scanner: improved deleting of entire emails (virus embedded in email body)
• avast! screensaver now available even under Windows Vista 64-bit
• fixed a bug in the avast! screensaver that could even lead to its (very rare) crash
• better detection of corrupted/modified VPS file
• WebShield: other minor fixes
• 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)
• program installation now better handles the situation when repairing previous (corrupted) installs
• solved incompatibility of memory scan with certain 3rd party applications
• 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)
• added Korean and Portuguese (Brazil) language packs

Version 4.7.652

February 5, 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 and Longhorn Server (added support for NTFS transactions (also known as TxF) etc.)
• improved compatibility with Windows offline folders
• fix for the 0x0000045A error status while performing an ADNM-invoked program and/or VPS update
• more improvements in executable unpackers
• minor fixes in the ZIP unpacker
• improved detection of full-screen applications
• fixed Runtime error R6034 messages when Mozilla Thunderbird version 3.0 is installed
• NetServer Edition: fixed a bug in the SMTP 2000/2003 provider that could eventually lead to a crash of inetinfo.exe process
• SMTP 2000/2003 provider: if an email with a blocked attachment is moved to badmail, the blocked attachment is now not removed from the message (can be accessed later, if needed)
• avast! now fully compatible with Itanium 2 processors (IA64 version of Windows)

Version 4.7.599

October 6, 2006

• fixed a bug leading to the lack of demo license file (which could further lead to many strange problems) in case of silent installations
• 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)
• NetServer Edition now fully compatible with Itanium 2 processors
• improved compatibility with Windows Offline Folders
• no more attempts to delete files on read-only media
• improved detection of full-screen applications
• improved detection of ZoneAlarm Pro (to prevent unnecessary WebShield incompatibility warnings)
• avast! screen-saver now uses better algorithm to remember the last scan position
• added Swedish and Slovenian language versions

Version 4.7.583

September 7, 2006

• minor enhancements in a number of unpackers (e.g. added support for old versions of UPX)
• fixed a bug in LHARC unpacker (special thanks to Ryan Smith)
• fixed a bug causing incorrent logging of "CREATE TABLE AgentResultSnapshot" messages
• 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

Version 4.7.566

June 28, 2006

• Standard Shield now compatible with NT systems set up for the C2 security standard
• minor fixes in the data storage
• updating process (especially on the backgound) is now executed with lower priority level

Version 4.7.559

June 15, 2006

• improvements in executable packers (most notably, added ASProtect and MoleBox unpackers)
• fixed incorrect statistics in sessions of scheduled tasks
• fixed the Program Settings menu item in the avast tray icon menu
• solved a rare problem that could eventually cause even a crash of the OS during boot (Windows XP)
• 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 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)
• 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
• netagent: improved handling of bad-connectivity conditions (does not overwrite the ServerAddress field anymore)
• solved a problem with setting of incorrect access rights to the avast executable files
• temporarily disabled the CHM unpacker
• 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)
• Avast netclient (including the ADNM connector) should now work flawlessly with Windows Vista beta 2 and higher
• added Danish language version

Version 4.6.476

February 10, 2006

• enhanced support for UU-coded files
• fixed a bug in the installation of managed Lotus Domino plugin (avast! NetServer Edition)
• ISA Server plugin: installation on secondary nodes of an ISA 2004 Enterprise Array finally works (avast! NetServer Edition)
• fixed communication problems with the AMS during high load on the server
• added support for boot-time scanning scheduled from ADNM console (requires ADNM version 4.6.452 or later)
• Lotus Domino plugin now compatible with Lotus Domino 7
• an attempt to solve problems related to computer freezing during shutdown (especially on Windows x64 machines with nForce4 chipset)
• scheduled scan progress can now be tracked and controlled by a new tray icon (if enabled in the ADNM console)
• improved interaction of Standard Shield with other provider (better definition of scan exceptions)
• improved scanning speed of ZIP archives
• P2P Shield: added support for BitPump and Winny2
• avast! Screensaver should now work even under Windows x64 (with 64-bit screensavers)
• added an "unpacker" for OLE archives (extracts and scans e.g. binary files embedded in MS Office documents)
• Outlook plugin now works correctly even in the beta version of new MS Office 12
• improved detection and reporting of operating system (server versus workstation, 64-bit etc.)
• Web Shield: minor improvements related to the handling of log files
• added Chinese language versions (both Simplified and Traditional)

Version 4.6.440

December 5, 2005

• added Lotus Domino plugin
• fixed a bug in ISA plugin causing some downloads to be corrupted (ISA 2004 only)
• fixed a problem in ISA plugin with certain streaming servers
• added a workaround to a small bug in NetBios (might have even caused blue screens in aswTdi.sys)
• fixed a rare problem of crashing of memory tests under WinXP x64
• fixed a bug in generating of DEMO license files
• added extended logging in case of a problem
• while updating from a mirror, proxy settings are now initially ignored; only if the update attempt fails, the updater tries to use the proxy settings
• fixed incorrect operation of English avast under Japanese Windows (e.g. non-functional Virus Chest)
• removed message "archive is corrupted" while scanning a certain class of packed files
• aswRdr.sys: fixed a race condition that could eventually lead even to a system crash
• improvements in the executable file unpackers
• enhanced tolerancy against damaged archives
• boot-time scan now supports the "Move to chest" command
• mail scanner: fixes in IMAP handling (NTLM authentication related)
• the "Date of last scan" entry is now updated by all scanners (not only Simple UI)
• added support for CAB and LHA sfx archives
• P2P Shield: added support for BitLord, uTorrent and ABC
• boot-time scan now shows textual error strings (instead of error codes)
• WebShield: fixed parsing of HTTP requests in the case where a header is larger than 64K
• WebShield: fixes in the detection of Transfer-Encoding:chunked
• WebShield: new avast4.ini options: NoDefOptinProcess, NoDefIgnoreProcess, default=0
• WebShield: miniscule fix in the GUI
• minor fixes in the email scanner (related to Lotus Notes clients)
• GUI: most lists (e.g. areas to test, exceptions, etc.) now support the following keyboard shortcuts: INS = Add, DEL = Delete, F2 = Edit
• Aswrdr.sys: fixed compatibility problem with Windows Vista beta versions
• fixed a problem with the boot-time scanner under Windows Vista beta
• fixed crashes of the physical memory scan under WinXP x64
• mail heuristics: added detection of multiple content-type headers
• avast now does not report the "file is corrupted" messages when trying to unpack a modified, unknown or damaged version of a Winexec packer
• sched.exe now supports all params of the boot-time scanner

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Version 4.6.394

July 20, 2005

• the Simple UI now starts without skins even for the first time (if installed so)
• improved detection of domains/workgroups under Windows 9x
• Internet Mail and Outlook/Exchange providers now by default use the Silent Mode even in heuristics
• fixed a minor synchronization bug in aswRdr.sys
• further improvements in executable unpackers (WinExec)
• WinExec unpackers are now supported even by the boot-time scanner
• changes in ACE unpacker: security fixes
• Web Shield: fixed a bug that could cause even crash of the ashWebSv.exe process (in module wshtcpip.sys)
• Web Shield: fixed a bug that could cause crash of the process while terminating
• Web Shield: removed event handle leak
• Web Shield: fixed a bug related to HTTP status 100-Continue
• Web Shield: fixed parsing of HTTP response for the HEAD request - now "Save Link As" in Firefox works correctly
• Standard Shield: removed potential problem (that could lead even to system hangup) while testing network-based files under Windows XP
• P2P Shield: added support for KCeasy
• IM Shield: added support for SIM (Simple Instant Messenger), PalTalk Messenger and Tlen
• fixed loading of default config values in resident providers
• now the Silent mode in the Outlook/Exchange plugin works
• added new GUI items (global program settings)
• added the ability of not displaying of popup messages while a full-screen app is running (e.g. a game)
• fixes in the mail scanner: handling of redirect (for the Calypso program); bug "server has closed the connection" while reading news
• added more comprehensive handling of expired licenses
• minor fixes and enhancements in selected unpackers (ZIP, MIME, TAR)
• improved warning on log off when removable media are present
• minor changes in avast! sounds
• VRDB generation when idle is now not started if current CPU load is 15% or higher

Version 4.6.365

May 25, 2005

• added support for additional executable unpackers (FSG, MEW, PE Deminisher)
• minor enhancements in the TAR unpacker
• more stringent checking of parameters passed into all avast! kernel mode drivers
• added the ability to on-access scan network drives even if the avast! antivirus service runs under the LocalSystem account
• Standard Shield: removed OS freezing on startup when on-open scanning of all (*) files was selected
• fixed a minor problem in aswTdi.sys (that could theoretically lead even to the "BSOD")
• added detection of "computer reliability" and potential disabling of kernel-mode scanning if the computer doesn't seem reliable enough
• increased maximum size of configuration data of the on-access providers (e.g URL blocking masks etc.)
• WebShield: solved problem with Hotmail access from Outlook Express (lowered the Keep-Alive "aggresivity")
• WebShield: decreased the number of data written to ashwebsv.ws
• WebShield: fixed problems related to crashing of various third party LSP modules inside the ashWebSv.exe process
• WebShield: improved timeout for non-HTTP connections (e.g. ICQ via JAVA) and default connection timeout increased to 15 minutes
• WebShield: implemented maximum size of scanned file during download (by default, 20MB)
• added the possibility to access the Virus Chest on a remote machine (and have infected files sent to a chest on a remote machine)
• avast local scanners now work correctly even under non-administrative accounts
• NT4: fixed the problem related to the "OleMainThreadWnd" message during logoff / shutdown

Version 4.6.348

April 19, 2005

• Fixed a problem with the NetAgent service sometimes failing to communicate
• WebShield: solved problems with displaying of certain pages (incorrect handling of connection close)
• WebShield: removed NETBIOS reverse lookup (access to UDP port 137) (same applies to the mail scanner)
• WebShield: added detection of ZoneAlarm and subsequent deactivation of transparent proxy mode
• better ability of dealing with corrupted archives
• minor enhancements in some unpackers (RAR, ZIP, TAR, GZIP, ZOO)
• added support for SIS archives (SymbianOS installation archives)
• fixes in the mail scanner: problems with multiple simultaneous connections, removal of superfluous sending in case of client timeout
• boot-time scan: removed limit of total length of the folder paths (1024B)
• fixed a bug causing lack of detection of certain virus types under Windows NT 4.0

Version 4.5.250

December 21, 2004

• Initial product release