Full description

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.

说明添加者： Petre Galan 打开 2010年5月14日星期五
说明更新者： Andrei Ivanes 打开 2010年5月14日星期五

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