Full description

Virus:	TR/Spy.152576.18
Date discovered:	27/04/2010
Type:	Trojan
In the wild:	Yes
Reported Infections:	Low to medium
Distribution Potential:	Medium
Damage Potential:	Low to medium
Static file:	Yes
File size:	152.576 Bytes
MD5 checksum:	87fb29dac38af1d28da3b591b6e8304f
IVDF version:	7.10.06.227 - Tuesday, April 27, 2010

General Methods of propagation:
   • Autorun feature
   • Messenger
   • Peer to Peer

Aliases:
   • Bitdefender: Win32.Worm.Rimecud.K
   • Panda: W32/P2PWorm.HO
   • Eset: Win32/Peerfrag.GL

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%\PJEVACICE\SILIKONI.exe
   • %HOME%\csrss.exe

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://188.165.155.233/**********

Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
• "Taskman"="%HOME%\csrss.exe"

P2P In order to infect other systems in the Peer to Peer network community the following action is performed:   It retrieves shared folders by querying the following registry keys:
   • Software\BearShare\General
   • Software\iMesh\General
   • Software\Shareaza\Shareaza\Downloads
   • Software\Kazaa\LocalContent
   • Software\DC++
   • Software\eMule
   • Software\Microsoft\Windows\CurrentVersion\Uninstall\eMule Plus_is1

   It searches for directories that contain the following substring:
   • \Local Settings\Application Data\Ares\My Shared Folder

Messenger It is spreading via Messenger. The characteristics are described below:

– Windows Live Messenger

The URL then refers to a copy of the described malware. If the user downloads and executes this file the infection process will start again.

Backdoor The following port is opened:

– sandra.pri**********.com on UDP port 50000

Injection – It injects itself as a remote 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 17 Ağustos 2010 Salı
Description updated by Petre Galan on 17 Ağustos 2010 Salı

Geri . . . .

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