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Virus:Worm/Autorun.rhv
Date discovered:27/10/2008
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:117.248 Bytes
MD5 checksum:9c93abfe2af88dd661a960b31809912d
IVDF version:7.01.00.04 - Monday, October 27, 2008

 General Method of propagation:
Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.gen virus
   •  Panda: W32/IRCFlood.DW
   •  Eset: Win32/AutoRun.Agent.AL
   •  Bitdefender: Backdoor.IRCBot.ACMF


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


Side effects:
   • Drops malicious files
   • Registry modification
   • Third party control

 Files It copies itself to the following location:
   • %drive%\SYSTEM\%SID%\system.exe



The following files are created:

C:\SYSTEM\%SID%\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-AAX5-21CX1C643131}]
   • "c:\SYSTEM\%SID%\system.exe"

 IRC  Server: X0R.ir**********.net
Port: 3211
Server password: Virus
Nickname: VirUs-%random character string%

 Injection – It injects itself as a remote 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 Thursday, December 3, 2009
Description updated by Petre Galan on Thursday, December 3, 2009

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