%%File: VIRS0461.TXT
%%Name/Aliases: Icelandic II, One In Ten, System Virus, 642
%%Platform: PC/MS-DOS
%%Type: Program., 
%%Disk Location: EXE application.
%%Features: Memory resident; TSR.
%%Damage: Interferes with a running application., Corrupts a program or 
overlay files.
%%Size: 632-647 Length MOD 16 will always be 0.
%%See Also: 
%%Notes: Every tenth program run is checked, and if it is an uninfected 
.EXE file it will be infected. The virus modifies the MCBs in order to 
hide from detection. This virus is a version of the Icelandic-1 virus, 
modified so that it does not use INT 21 calls to DOS services. This is 
done to bypass monitoring programs.     EXE Files: Infected files end in 
18 44 19 5F (hex).
System: Byte at 0:37F contains FF (hex)