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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.

Description insérée par Petre Galan le jeudi 1 avril 2010
Description mise à jour par Petre Galan le jeudi 1 avril 2010

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