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Virus:TR/Rimecud.A.151
Date discovered:26/08/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:118.784 Bytes
MD5 checksum:09b3959c7df29e61fe820d7882d581f7
VDF version:7.10.04.208
IVDF version:7.10.11.25 - Thursday, August 26, 2010

 General Method of propagation:
   • Autorun feature


Aliases:
   •  Kaspersky: P2P-Worm.Win32.Palevo.cfsn
   •  Bitdefender: Win32.Worm.Rimecud.BJ
   •  GData: Win32.Worm.Rimecud.BJ
   •  DrWeb: Trojan.Packed.21635


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %drive%\kramponja.exe
   • %HOME%\fswagz.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 execute the following file:

– Filename:
   • svchost.exe

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

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

 Backdoor Contact server:
All of the following:
   • peer.pic**********.ru:6600 (UDP)
   • jebena.ana**********.su:6600 (UDP)
   • teske.por**********.com:6600 (UDP)


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

    Process name:
   • svchost.exe


 Miscellaneous Mutex:
It creates the following Mutex:
   • sjBf+10

 File details Programming language:
The malware program was written in MS Visual C++.


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 mercredi 20 juillet 2011
Description mise à jour par Petre Galan le mercredi 20 juillet 2011

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