Virus:TR/Proxy.Ranky.FX.2
Date discovered:08/01/2007
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:20.308 Bytes
MD5 checksum:17bc0ca72086eee8e847532e73c1a7cc
VDF version:6.36.00.219
IVDF version:6.36.00.243 - Monday, November 6, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Mcafee: Proxy-FBSR
   •  Kaspersky: Trojan-Proxy.Win32.Ranky.fx
   •  Grisoft: Proxy.HKE
   •  Bitdefender: Win32.Backdoor


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Registry modification
   • Third party control

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

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Rolcopteur"="%malware execution directory%\%executed file%"

 Backdoor The following port is opened:

– %malware execution directory%\%executed file% on a random TCP port in order to provide a Socks 4 proxy server.


Contact server:
All of the following:
   • http://www.rogerr.homeunix.net/**********
   • http://www.omygodd.net/**********
   • http://www.roger.bounceme.net/**********
   • http://www.vcdf.hopto.org/**********
   • http://www.dnsme.mine.nu/**********

As a result it may send some information. The servers answer is written to the file: c:\fqecqv


Sends information about:
    • Opened port

 Injection – It injects itself into a process.

    Process name:
   • LSASS.exe


 Miscellaneous Mutex:
Furthermore it contains the following string:
   • AllAlone

 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 Monica Ghitun on Monday, January 8, 2007
Description updated by Monica Ghitun on Thursday, January 11, 2007

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