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Date discovered:31/03/2007
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:13.312 Bytes
MD5 checksum:e9100Ce97a5b4fbd8857b25ffe2d7179
VDF version:
IVDF version: - Saturday, March 31, 2007

 General Method of propagation:
   • No own spreading routine

   •  Mcafee: W32/Fujacks.ah
   •  Kaspersky:
   •  F-Secure:
   •  Panda: W32/DiskInfector.A.worm
   •  Grisoft: Downloader.Agent.KCA
   •  VirusBuster: Worm.OnlineGames.SD
   •  Eset: Win32/Fubalca.A
   •  Bitdefender: Win32.Worm.Tunga.B

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Access to floppy disk
   • Downloads malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %SYSDIR%\sysload3.exe
   • %SYSDIR%\tempload.exe
   • %SYSDIR%\tempIcon.exe
   • A:\tool.exe

Sections are added to the following files.
– To: %all directories%\*.HTML With the following contents:
   • script src=********** /script

– To: %all directories%\*.ASPX With the following contents:
   • script src=********** /script

– To: %all directories%\*.PHP With the following contents:
   • script src=********** /script

– To: %all directories%\*.JSP With the following contents:
   • script src=********** /script

– To: %all directories%\*.ASP With the following contents:
   • script src=********** /script

The following file is created:

– A:\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:
This file may contain further download locations and might serve as source for new threats.

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

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • System Boot Check="%SYSDIR%\sysload3.exe"

 Injection – It injects itself into a process.

    All of the following processes:
   • notepad.exe

 Miscellaneous Mutex:
It creates the following Mutexes:
   • MySignal
   • MyInfect
   • MyDownload

Furthermore it contains the following string:
   • I will by one BMW this year!

 File details Programming language:
The malware program was written in MS Visual C++.

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

Description insérée par Ana Maria Niculescu le jeudi 8 novembre 2007
Description mise à jour par Andrei Gherman le vendredi 9 novembre 2007

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