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Virus:Worm/Autorun.bdnf
Date discovered:26/02/2010
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:35.328 Bytes
MD5 checksum:76d441588ce5aacb04353dbca6bf7a81
IVDF version:7.10.04.148 - Friday, February 26, 2010

 General Method of propagation:
   • Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm
   •  Panda: W32/Autorun.JWW
   •  Eset: Win32/AutoRun.AEH
   •  Bitdefender: Trojan.Generic.KD.374


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:
   • %drive%\autorun.exe
   • %SYSDIR%\fzsqovlc.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%.%two-digit random 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%\fzsqovlc.exe"

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

説明の挿入者 Petre Galan の 2010年5月14日金曜日
説明の更新者 Andrei Ivanes の 2010年5月14日金曜日

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