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Virus:TR/Drop.AutoRun.B
Date discovered:18/07/2007
Type:Trojan
Subtype:Dropper
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:226.304 Bytes
MD5 checksum:a261ade7e9a5e418e2ff720f0e5d30ed
IVDF version:6.39.00.162 - Wednesday, July 18, 2007

 General Method of propagation:
• Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.h virus
   •  Sophos: Mal/Generic-A
   •  Panda: W32/Autorun.INL.worm
   •  Eset: Win32/Agent.NEB
   •  Bitdefender: Trojan.Dropper.Agent.UJA


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %drive%\vshost.exe



The following files are created:

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

– %recycle bin%\%CLSID%\winservices.exe Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.Agent.UIZ.4

%TEMPDIR%\Lady_Eats_Her_Shit--www.youtube.com Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.Agent.UIZ.4

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

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Windows Service help"="%recycle bin%\%CLSID%\winservices.exe"

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

Descrizione inserita da Petre Galan su venerdì 13 novembre 2009
Descrizione aggiornata da Andrei Ivanes su lunedì 23 novembre 2009

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