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Date discovered:23/08/2010
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:109.056 Bytes
MD5 checksum:01b9d00f1acd2c1e28ce9e63ff67f9e4
VDF version:
IVDF version:

 General Method of propagation:
   • Autorun feature

   •  Kaspersky: Trojan.Win32.Diple.nrm
   •  Bitdefender: Win32.Worm.Rimecud.BI
   •  GData: Win32.Worm.Rimecud.BI
   •  DrWeb: Win32.HLLW.Autoruner.44048

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

Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following locations:
   • %drive%\dasmaram.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:
   • jebena.ana**********.su:6600 (UDP)
   • peer.pic**********.ru:6600 (UDP)
   • teske.por**********.com:6600 (UDP)

 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 inserted by Petre Galan on Friday, July 22, 2011
Description updated by Petre Galan on Friday, July 22, 2011

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