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Virus:Worm/SdBot.24576.23
Date discovered:24/02/2009
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:33.459 Bytes
MD5 checksum:cada8d5adf40aa70af82bdff863c065d
IVDF version:7.01.02.72 - Tuesday, February 24, 2009

 General Method of propagation:
    Autorun feature


Aliases:
   •  Mcafee: W32/Sdbot.worm.gen.ax
   •  Sophos: Mal/Behav-243
   •  Panda: W32/AutoRun.APJ
   •  Eset: Win32/AutoRun.KS
   •  Bitdefender: Trojan.Crypt.IS


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %drive%\RECYCLER\%CLSID%\scsaver.exe



The following files are created:

%drive%\RECYCLER\%CLSID%\Desktop.ini
%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:

[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\
   {28ABC5C0-4FCB-11CF-AAX5-81CX1C635612}]
   • "StubPath"="%recycle bin%\%CLSID%\scsaver.exe"

 Injection – It injects itself as a thread into a process.

    Process name:
   • 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 Tuesday, March 16, 2010
Description updated by Petre Galan on Tuesday, March 16, 2010

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