("aju")

olemus
esimene PC-viirus, esimene buutsektoriviirus, esimene peitviirus, ilmus 1986. a, 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/