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Virus:TR/PWS.94208.2
Date discovered:07/09/2009
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:94.208 Bytes
MD5 checksum:bab4884c5d0240b3882d725297043609
IVDF version:7.01.05.212 - Monday, September 7, 2009

 General Method of propagation:
• Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.h virus
   •  Panda: W32/Autorun.JEY
   •  Eset: Win32/AutoRun.VB.FX
   •  Bitdefender: Worm.Generic.83904


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %drive%\Read1st!.exe
   • %drive%\%all directories%.exe



The following files are created:

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

%WINDIR%\shutdown.dll

 Registry  The following registry keys including all values and subkeys are removed:
   • [HKLM\SYSTEM\CurrentControlSet\Services\COMSysApp]
   • [HKLM\SYSTEM\CurrentControlSet\Services\SwPrv]
   • [HKLM\SYSTEM\CurrentControlSet\Services\TPAutoConnSvc]



The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore]
   New value:
   • "DisableSR"=dword:0x00000000
   • "RestoreDiskSpaceError"=dword:0x00000000

 File details Programming language:
The malware program was written in Visual Basic.


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

설명 삽입자 Petre Galan   2009년 12월 14일 월요일
설명 업데이트 Petre Galan   2009년 12월 14일 월요일

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