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Date discovered:31/05/2007
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:52.224 Bytes
MD5 checksum:aaf7aae9ab90cbc0e57fb2c68cbfe602
IVDF version: - Thursday, May 31, 2007

 General Method of propagation:
   • Autorun feature

   •  Sophos: Mal/Generic-A
   •  Panda: W32/Lineage.LKQ.worm
   •  Eset: Win32/AutoRun.AEH
   •  Bitdefender: Trojan.Autorun.APK

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

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

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

It deletes the initially executed copy of itself.

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 a file:

– The location is the following:
   • http://xx%hex number%.%2 digit character string%

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "autoruns"="%SYSDIR%\pzfooiha.exe"

 Miscellaneous  Checks for an internet connection by contacting the following web site:

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

Description inserted by Petre Galan on Friday, May 28, 2010
Description updated by Petre Galan on Friday, May 28, 2010

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