Threat Description

Possible

Details

Aliases:Possible
Category: Malware
Type:
Platform: W32

Summary



Did you get a message like this?

BOOT SECTOR WRITE
  POSSIBLE VIRUS
  Allow (Y/n)?

If so, this is displayed by the BIOS code of your machine. The text is displayed almost always when you try to write to the master boot sector of your machine.This does not necessarily mean you have a virus. You could be using FDISK, Format or disinfecting a virus. If necessary, turn the warning of from your BIOS settings, look for an option like "Virus protection".If you get the message when booting with a floppy in drive A: or when running an unknown program, it is probably caused by a real virus.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.








Description Created: Mikko Hypponen, F-Secure


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