MPS.469
Description MPS.469
These are harmless nonmemory resident parasitic viruses. They search for .COM files of the current directory and write themselves to the end, and Jmp-Virus code (INC AX, JMP Loc_Vir) to the beginning of the file. They do not manifest themselves it any way. The viruses contain the texts:
*.COM
(C) MPS-OPS 1991
MPS.682
It is a memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .EXE files that are executed. It contains the encrypted string:
Przepraszam wszystkich, ktorzy ucierpieli z powodu niedoskonalosci moich
wirusow oraz p.Sella za ich prymitywna budowe. Niestety, dopiero zaczynam
wkraczac w swiat jezyka maszynowego. Marek Pande (C) MPS-OPC v4.01
MPS.754
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the end of .COM and .EXE files that are executed. It contains the text:
(C) MPS-OPC v4.12
Check other viruses! Be aware! Use Antiviral Software
GoodBye.839
Description GoodBye.839
This is a harmless memory-resident virus. It infects COM-, EXE- and OVL-files by standard way as they are loaded into the memory. On Sundays the infector plays the soviet "Nautilus Pompilius" rock group tune "Goodbye, America". The virus hooks INT 1Ch, 21h.
GoodLuck.300
Description GoodLuck.300
It is not a dangerous memory resident parasitic virus. It copies itself into Interrupt Vectors Table, hooks INT 21h and writes itself to the beginning of COM files that are executed. Depending on its counter the virus displays the message:
Good luck!
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