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Virus:TR/Autorun.akw
Date discovered:04/09/2008
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low
Static file:Yes
File size:259.263 Bytes
MD5 checksum:6559750fffe590193bcedb0aa0129e02
IVDF version:7.00.06.112 - Thursday, September 4, 2008

 General Method of propagation:
    Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.gen virus
   •  Bitdefender: Trojan.Generic.2210122
   •  Eset: Win32/AutoRun.Autoit.W


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %WINDIR%\BackUp\explorer.exe
   • %PROGRAM FILES%\explorer.exe
   • %drive%\explorer.exe
   • C:\explorer.exe
   • %PROGRAM FILES%\{17350501621331}.exe



It deletes the initially executed copy of itself.



The following files are created:

%WINDIR%\BackUp\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%

 Registry The following registry key is added in order to run the process after reboot:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "explorer"="%WINDIR%\BackUp\explorer.exe"



The following registry key is added:

[HKCU\Software\Microsoft\Windows\CurrentVersion]
   • "{17350501621331}"="C:\explorer.exe"

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

Description inserted by Petre Galan on Monday, August 9, 2010
Description updated by Petre Galan on Monday, August 9, 2010

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