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Date discovered:25/12/2009
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low
Static file:Yes
File size:214.528 Bytes
MD5 checksum:b7e503f2f69f1a9860646bac59676abb
IVDF version: - Friday, December 25, 2009

 General Method of propagation:
   • Autorun feature

   •  Mcafee: W32/Rimecud
   •  Panda: W32/Rimecud.X
   •  Eset: Win32/Peerfrag.EV
   •  Bitdefender: Trojan.Generic.2896271

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

Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %recycle bin%\%CLSID%\winsystem.exe
   • %drive%\sysusb/usbdur.exe

The following files are created:

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

 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%\winsystem.exe"

 Backdoor The following ports are opened:

–**********.com on UDP port 7664
– asp.sp**********.com on UDP port 7664
–**********.us on UDP port 7664

 Injection – It injects itself as a thread into a process.

    Process name:
   • explorer.exe

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

설명 삽입자 Petre Galan   2010년 3월 17일 수요일
설명 업데이트 Petre Galan   2010년 3월 17일 수요일

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