Category: Malware

Type: Virus

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

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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.