Full description

Virus:	Worm/Palevo.nbe
Date discovered:	28/12/2009
Type:	Worm
In the wild:	Yes
Reported Infections:	Low
Distribution Potential:	Low to medium
Damage Potential:	Low to medium
Static file:	Yes
File size:	151.552 Bytes
MD5 checksum:	0a29fc10103f9e18601dfee06e95b190
IVDF version:	7.10.02.79 - Monday, December 28, 2009

General Method of propagation:
   • Autorun feature

Aliases:
   • Mcafee: W32/Rimecud
   • Sophos: W32/Autorun-AXC
   • Panda: W32/Rimecud.T.worm
   • Eset: Win32/Peerfrag.EC
   • Bitdefender: Trojan.Generic.2899693

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

Side effects:
   • Drops malicious files
   • Registry modification

Files It copies itself to the following location:
• %drive%\RECYCLER\%CLSID%\MsMxEng.exe

The following files are created:

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

– %drive%\RECYCLER\%CLSID%\Desktop.ini

Registry One of the following values is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
• "Taskman"="%recycle bin%\%CLSID%\MsMxEng.exe"

Backdoor The following ports are opened:

– di**********.cn on UDP port 44480
– fr**********.com on UDP port 44480
– an**********.com on UDP port 44480

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4月1日星期四
说明更新者： Petre Galan 打开 2010年4月1日星期四

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