W32/Rbot-AFH

Please follow the instructions for removing worms.

You will also need to edit the following registry entries, if they are present. 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 entries:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

and remove any reference to any file you deleted.

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\

and remove any reference to any file you deleted.

Close the registry editor.

W32/Rbot-AFH is a worm with IRC backdoor functionality for the Windows platform.

W32/Rbot-AFH runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

When first run W32/Rbot-AFH copies itself to <Windows system folder>\crssm.exe.

The following registry entries are created to run crssm.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Windows System Manager
crssm.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows System Manager
crssm.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
Windows System Manager
crssm.exe