%%File: VIRS0486.TXT
%%Name/Aliases: Joker, Jocker
%%Platform: PC/MS-DOS
%%Type: Program., 
%%Disk Location: EXE application., DBF files
%%Features: Direct acting.
%%Damage: Corrupts a program or overlay files.
%%Size: Overlays application, length changes
%%See Also: 
%%Notes: Joker is a non-resident .EXE infector. It may also infect .DBF 
files. It overwrites the attacked file with the virus code. It was 
discovered in Poland in 1989. It is a poor replicator, and is probably 
extinct. There are many strange strings at the beginning of the file 
that are printed on the screen. It may cause system hangs. Some of the 
strings are: 
"END OF WORKTIME. TURN SYSTEM OFF!", "Water detect in Co-processor.", "I 
am hungry! Insert HAMBURGER into drive A:"  Strange messages. .EXE files 
change length.   File length changes, strange messages  delete files