W32/Rbot-GF

Please follow the instructions for removing worms.

You will also need to edit the following registry entries, if 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 entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Update Machine = wuagrd.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:

HKCU\[code number]\Software\Microsoft\Windows\CurrentVersion\RunServices\
Microsoft Update Machine = wuagrd.exe

and delete it if it exists.

Close the registry editor.

Check your administrator passwords and review network security.

W32/Rbot-GF is a worm which attempts to spread to remote network shares and has backdoor Trojan functionality allowing unauthorised access to an infected computer. W32/Rbot-GF is a worm which attempts to spread to remote network shares. It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels while running in the background as a service
process.

W32/Rbot-GF moves itself to the Windows system folder as wuagrd.exe and creates the following registry entries to ensure it is run at system logon:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Update Machine = wuagrd.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices\
Microsoft Update Machine = wuagrd.exe

W32/Rbot-GF will also download and execute remote files on the infected computer, log key strokes, retrieve information such as CD keys for various games and flood other computers with network packets.