Troj/Spybot-DH

Please follow the instructions for removing Trojans.

Change any data that may have become compromised.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entries. The removal of these entries 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
Windows Service
winsvc.exe

and delete it if it exists.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKU\[code number]\Software\Microsoft\Windows\CurrentVersion\Run\
Windows Service
winsvc.exe

and delete it if it exists.

Close the registry editor.

Troj/Spybot-DH is a backdoor Trojan for the Windows platform.

When first run, Troj/Spybot-DH copies itself to the Windows system folder as winsvc.exe and creates the following registry entry in order to run each time a user logs on:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Windows Service
winsvc.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows Service
winsvc.exe

The Trojan joins an IRC channel and awaits further commands from a remote user. The Trojan can be instructed to perform the following functions:

• start a proxy server
• execute arbitrary commands (remote shell)
• log keypresses
• take part in distributed denial of service (DDoS) attacks
• download/execute arbitrary files
• start a port/exploit scanner
• harvest system information (running processes, hardware configuration, etc.)