W32/Agobot-BH

Please follow the instructions for removing worms.

Check your administrator passwords and review network security.

Download and install the Microsoft patches mentioned above.

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\
Windows Communicator

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
Windows Communicator

and delete them if they exist.

Close the registry editor.

W32/Agobot-BH is an IRC backdoor Trojan and network worm.

The worm copies itself to network shares with weak passwords and attempts to spread to computers using the DCOM RPC and the RPC locator vulnerabilities.

These vulnerabilities allow the worm to execute its code on target computers with System level privileges. For further information on these vulnerabilities and for details on how to protect/patch the computer against such attacks please see Microsoft security bulletins MS03-026 and MS03-001.

W32/Agobot-BH copies itself to the Windows system folder as wincomm.exe and adds the following registry entries to run itself at system logon:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
Windows Communicator

HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\
Windows Communicator

W32/Agobot-BH also collects system information and registry keys of popular games that are installed on the computer.