Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | April 2005 (3.92) |
| Protection available since | 21 January 2005 10:33:00 (GMT) |
| Last updated | 27 February 2005 12:07:00 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
More Information
Please follow the instructions for removing worms.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. 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\
NT Virtual Machine
"<Path to EXE>"
and delete it if it exists.
Close the registry editor.
More Information
W32/Scaerbot-A is a network worm with backdoor Trojan functionality for the Windows platform.
W32/Scaerbot-A creates the following registry entry in order to run each time a user logs on:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
NT Virtual Machine
"<Path to EXE>"
The worm is capable of spreading through network shares and through backdoors left open by other malware.
W32/Scaerbot-A joins a predefined IRC channel and awaits further commands from a remote user.
