high
Summary
Summary
Action- More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | October 2005 (3.98) |
| Protection available since | 25 August 2005 22:02:50 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
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\RunServices
and remove any reference to any file you deleted.
Close the registry editor.
More Information
W32/Rbot-ALT is a worm and IRC backdoor for the Windows platform.
W32/Rbot-ALT runs in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
When first run W32/Rbot-ALT copies itself to <Windows system folder>\dx9diag.exe
The following registry entries are created to run dx9diag.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
DirectX9 Diag
dx9diag.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
DirectX9 Diag
dx9diag.exe
The following registry entry is set:
HKCU\Software\Microsoft\OLE
DirectX9 Diag
dx9diag.exe
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