Threat description


Category: Malware
Type: Virus
Platform: W32
Aliases: MPS-OPC


The 640 byte variant contains the text

(C) MPS-OPC 1991 v3.1

but the 654 byte one claims to be version 3.2. Not yet analyzed.


Automatic action

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


More information on scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

Variant:MPS-OPC 1.1

A 469 byte version.

Variant:Slow load

Probably the first version - 376 bytes.

Variant:MPS-OPC 4.01

This virus is structurally different, and belongs to a different family, as it only infects .EXE files, but it is probably written by the same authors.


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