These are not dangerous memory resident parasitic stealth viruses.
Fisher.1100
It hooks INT 21h and infects by the standard way COM-files. It contains the internal text string "COMcom". Sometimes it tries to type the message:
Copyright 1992 by Fisher. Version 3.0 . PUNK-ROCK & BEER FOREVER !
Fisher.2420
This infector hooks INT 17h, 21h and hits COM- and EXE-files. On printing it inserts rude words into the text which is printing. This infector contains the internal text string also:
COMcomEXEexe
(c) Copyright 1991-92 by Fisher. Version 2.0 .
