W32/Forbot-CW

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\RunOnce\
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 entries:

HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\Run\

HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\RunOnce\

and remove any reference to any file you deleted.

Close the registry editor.

W32/Forbot-CW is a worm which attempts to spread to remote network shares and computers vulnerable to common exploits.

W32/Forbot-CW contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via the IRC network.

W32/Forbot-CW connects to a preconfigured IRC channel and awaits commands from a remote intruder. These include commands to steal information, delete network shares, reduce system security, start a proxy server, participate in DDoS attacks, exploit vulnerabilities, steal registration keys for computer games and harvest email addresses from the Windows address book and Instant Messenger configuration files. W32/Forbot-CW copies itself to the Windows system folder and creates the following registry entries to run itself automatically on log-on:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run
ScManager
scman.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
ScManager
scman.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
ScManager
scman.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ScManager
scman.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce
ScManager
scman.exe

W32/Forbot-CW also creates a number of entries in the registry under the following entries:

HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_USBFIRE\
HKLM\SYSTEM\ControlSet001\Services\USBFire\
HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_USBFIRE\
HKLM\SYSTEM\CurrentControlSet\Services\USBFire\