Sophos

Troj/Bdoor-IP

Aliases
  • BackDoor-CGZ
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 2006 (4.02)
Protection available since 21 June 2005 08:20:41 (GMT)
Last updated 20 December 2005 22:45:42 (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
Timer
<Windows>\comm.exe /i

and delete it if it exists.

Close the registry editor.

More Information

Troj/Bdoor-IP is a backdoor Trojan for the Windows platform.

Troj/Bdoor-IP includes functionality to access the internet and communicate with a remote server via HTTP.

When first run Troj/Bdoor-IP copies itself to <Windows>\comm.exe.

The following registry entry is created to run comm.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Timer
<Windows>\comm.exe /i

Registry entries are created under:

HKLM\SOFTWARE\Cat\

Troj/Bdoor-IP may attempt to send stolen system information to a remote website.

Troj/Bdoor-IP may also execute commands from a remote website.

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