TR/Proxy.Ranky.z.26 - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Proxy.Ranky.z.26
Date discovered:	29/09/2005
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	Yes
File size:	22.009 Bytes
MD5 checksum:	f5c67520080c9b343e86ddd443abcda3
VDF version:	6.32.0.45

General Method of propagation:
   • No own spreading routine

Aliases:
   • Symantec: Backdoor.Ranky
   • Mcafee: Proxy-FBSR
   • Kaspersky: Trojan-Proxy.Win32.Ranky.z
   • TrendMicro: TROJ_RANKY.GA
   • VirusBuster: Trojan.PR.Ranck.GR

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

Side effects:
   • Downloads a file
   • Registry modification

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

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

Backdoor The following port is opened:

– %executed file% on a random TCP port in order to provide a proxy server.

Contact server:
One of the following:
   • http://a70.**********net.nu/b.php?
   • http://raharah.**********me.net/b.php?
   • http://roger.**********me.net/b.php?
   • http://rogerr.**********unix.net/b.php?
   • http://vcdf.**********to.org/b.php?

As a result it may send some information. This is done via the HTTP GET request on a PHP script.
The servers answer is written to the file: %malware execution directory%\Msn Messn

Sends information about:
    • Opened port

Miscellaneous Mutex:
It creates the following Mutex:
• Sdwqsdghq

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 the following runtime packer:
• MEW 11 1.2

See a brief description here.

Description inserted by Iulia Diaconescu on Thu, 29 Sep 2005 16:16 (GMT+1)
Description updated by Iulia Diaconescu on Mon, 03 Oct 2005 16:36 (GMT+1)

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