Virus:TR/Dldr.Agent.ckps
Date discovered:30/07/2009
Type:Trojan
Subtype:Downloader
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low to medium
Damage Potential:Low
Static file:Yes
File size:180.736 Bytes
MD5 checksum:abda6df1ae4279ae9f004083e089d765
IVDF version:7.01.05.51 - Thursday, July 30, 2009

 General Method of propagation:
   • Autorun feature


Aliases:
   •  Mcafee: W32/Autorun.worm.h
   •  Panda: W32/P2Pworm.CA
   •  Eset: Win32/Peerfrag.EG
   •  Bitdefender: Worm.Generic.88952


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%\MsMxEng.exe
   • %drive%\USB Vault\syn.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%\MsMxEng.exe"

 Backdoor The following ports are opened:

– di**********.cn on UDP port 44402
– fr**********.com on UDP port 44402
– an**********.com on UDP port 44402

 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.

Description inserted by Petre Galan on Thursday, March 18, 2010
Description updated by Petre Galan on Thursday, March 18, 2010

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