("aju")

olemus
esimene PC-viirus,
esimene buutsektoriviirus,
esimene peitviirus:
- ilmus 1986
- levis viietolliste diskettide kaudu
=
a virus considered to be the first virus for the IBM PC and compatibles

ülevaateid
https://en.wikipedia.org/wiki/Brain_(computer_virus)

http://virus.wikidot.com/brain

https://www.welivesecurity.com/2018/11/05/malware-1980s-brain-virus-morris-worm/