Threat description




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

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

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

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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.

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