Sophos

Troj/Ranck-BT

Aliases
  • Trojan-Proxy.Win32.Ranky.gen
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from February 2005 (3.90)
Protection available since 31 December 2004 14:36:57 (GMT)
Last updated 10 January 2005 15:27:11 (GMT)
Detected by All Sophos products

Action

Please follow the instructions for removing Trojans.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.

At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.

Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.

Locate the HKEY_LOCAL_MACHINE entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\Wdqvsst

and remove any reference to any file you deleted.

Close the registry editor.

More Information

Troj/Ranck-BT is a proxy Trojan that allows a remote intruder to route HTTP traffic through the computer

Troj/Ranck-BT sets an entry in the registry at the following location to run itself on system startup:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\Wdqvsst

Troj/Ranck-BT notifies remote websites that the computer is running it by sending data to PHP pages at the following websites:

http://www.ird-gmbh.com
http://fvcqx.dynalias.net
http://gdvme.mine.nu
http://vhdefag.homeip.net

Troj/Ranck-BT runs continuously in the background listening on a port.

Sophos's anti-virus products include proactive protection technology, which can defend against new threats without requiring an update. Sophos customers have been protected against Troj/Ranck-BT (detected as Troj/Ranck-Fam) since version 3.88.

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