How to repair MBR rootkit detected by Avast

Avast can detect MBR rootkits, but it will never "delete" or remove it by itself, despite the claim that it will delete it after next restart.

The only way to remove an MBR rootkit is to fix the MBR.

Insert the Windows installation disc, restart the computer, and let the setup run.

When you reach the recovery console, the Administrator is usually blank or "password" or "admin" or similar.

When the command prompt appears, type in "fixmbr".

If it warns you that a non-standard MBR was found, then either of the following two are true:

1) Your MBR is infected.

2) You have more than one OS installed.


If you only had windows installed, and not Linux for example, let the command run, and then restart.

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Page last modified 03-Sep-12 16:27:46 EDT
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