Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| 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

Summary
Action
More Information
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.
