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Virus:Worm/Autorun.QK
Date discovered:09/10/2008
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:139.264 Bytes
MD5 checksum:c91d4d00bbe7845f75eb4341ce679470
IVDF version:7.00.07.18 - Thursday, October 9, 2008

 General Method of propagation:
• Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.h virus
   •  Sophos: Mal/Inet-Fam
   •  Panda: W32/Autorun.JCJ
   •  Eset: Win32/AutoRun.VB.EE
   •  Bitdefender: Trojan.Generic.IS.599336


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %SYSDIR%\AutoUpdate.exe
   • %WINDIR%\AutoUpdate.Exe
   • %drive%\AutoUpdate.exe
   • %drive%\AvastUGuard.exe



The following files are created:

%PROGRAM FILES%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

%TEMPDIR%\~DF5D44.tmp

 Registry One of the following values is added in order to run the process after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "AutoAvast"="%SYSDIR%\AvastUGuard.exe"
   • "AvastUsbGuard"="%WINDIR%\AvastUSB.exe"
   • "WinUpdate"="%WINDIR%\AutoUpdate.Exe"

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Описание добавил Petre Galan в(о) пятница, 4 декабря 2009 г.
Описание обновил Petre Galan в(о) пятница, 4 декабря 2009 г.

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