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Date discovered:14/10/2010
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:112.128 Bytes
MD5 checksum:938173a42b035084340ee6bc5a5ee184
VDF version:
IVDF version: - Thursday, October 14, 2010

 General Method of propagation:
    Autorun feature

   •  Kaspersky: P2P-Worm.Win32.Palevo.copu
   •  Bitdefender: Win32.Worm.Rimecud.BK
     GData: Win32.Worm.Rimecud.BK
     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:
   • %HOME%\fswagz.exe
   • %drive%\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:

   • 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)
   • juice.los**********.org: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 Thursday, July 21, 2011
Description updated by Petre Galan on Thursday, July 21, 2011

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