high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Protection available since | 22 March 2005 13:46:21 (GMT) |
| Detected by | All Sophos products |
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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
Microsoft's System Module
%WINDOWS%\TEMP\Sysmodule.exe
and delete it if it exists.
Close the registry editor.
More Information
Troj/Bdoor-FJ is a backdoor Trojan for the Windows platform that allows unauthorised remote access to the infected computer.
When run the Trojan copies NukeProtect.exe to %WINDOWS%\TEMP\Sysmodule.exe. If the copy operation fails, Troj/Bdoor-FJ attempts to reboot the computer.
The Trojan creates the following registry entry so as to run itself automatically on user logon:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Microsoft's System Module
%WINDOWS%\TEMP\Sysmodule.exe
While running in the background as a process, Troj/Bdoor-FJ has the following capabilities when instructed by a remote attacker:
run a remote command
delete files
reboot the computer
download/upload files
steal file system and active window information
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