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Virus:Worm/Autorun.qva
Date discovered:27/02/2009
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:10.240 Bytes
MD5 checksum:3e2cd56a033362351b7470abe87a4983
IVDF version:7.01.02.91 - Friday, February 27, 2009

 General Method of propagation:
    Autorun feature


Aliases:
   •  Sophos: Mal/SillyFDC-A
   •  Bitdefender: Worm.Generic.48237
   •  Panda: W32/Autorun.KNM
     GData: Worm.Generic.48237


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


Side effects:
   • Downloads malicious files
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %drive%\icondrv.exe
   • %SYSDIR%\icondrv.exe



It deletes the following file:
   • %TEMPDIR%\-= The Porn Collection =-\_arc.exe



The following file is created:

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




It tries to download some files:

The location is the following:
   • http://gpt0.ru/bmp/**********
It is saved on the local hard drive under: %SYSDIR%\icondrv2.exe

The location is the following:
   • http://gpt0.ru/bmp/**********
It is saved on the local hard drive under: %TEMPDIR%\-= The Porn Collection =-\_arc.exe

The location is the following:
   • http://gpt0.ru/bmp/**********
It is saved on the local hard drive under: %TEMPDIR%\personalizationink.exe



It tries to execute the following files:

Filename:
   • %SYSDIR%\icondrv.exe


Filename:
   • "%SYSDIR%\ntvdm.exe" -f -i1


Filename:
   • "%SYSDIR%\ntvdm.exe" -f -i2

 Registry The following registry key is changed:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   New value:
   • "Userinit"="%SYSDIR%\userinit.exe,%SYSDIR%\icondrv.exe"

 Registry (testing) 
 A Windows Registry entry is modified as follows: 


[Changed]
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Userinit"="%SYSDIR%\userinit.exe,%SYSDIR%\icondrv.exe"

 Miscellaneous Accesses internet resources:
   • http://brbg.ru/bmp/**********
   • http://brbg.ru/bmp/**********
   • http://brbg.ru/bmp/**********

Description inserted by Petre Galan on Friday, April 1, 2011
Description updated by Petre Galan on Friday, April 1, 2011

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