W32/Forbot-AR

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-AR is a worm which attempts to spread to remote network shares.

W32/Forbot-AR 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/Forbot-AR is a worm which attempts to spread to remote network shares.

W32/Forbot-AR 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/Forbot-AR copies itself to the Windows system folder as securitychk.exe and creates entries in the registry at the following locations to run itself on system startup:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Microsoft Secure Messenger.NET Service
securitychk.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\Win32 USB2 Driver
Microsoft Secure Messenger.NET Service
securitychk.exe

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\Win32 USB2 Driver
Microsoft Secure Messenger.NET Service
securitychk.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\Win32 USB2 Driver
Microsoft Secure Messenger.NET Service
securitychk.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce\Win32 USB2 Driver
Microsoft Secure Messenger.NET Service
securitychk.exe

W32/Forbot-AR also creates its own service named
"Microsoft Secure Messenger.NET Service".