Affected Operating Systems
Recovery Instructions:
Please follow the instructions for removing worms.
Check your administrator passwords and review network security.
Download and install the Microsoft patch for the RPC/DCOM vulnerability, available from http://www.microsoft.com/technet/security/bulletin/MS03-026.asp.
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\Config Loader
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\Config Loader
and delete them if they exist.
Close the registry editor.