Summary
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.
Disinfection & Removal
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
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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