olemus
(1) esimene teadaolev lunavaraprogramm (USA, 1989, = PC Cyborg = Aidsinfo = Love virus =...), DOS-platvormi troojan, mida levitati diskettidega, rakendas salajase võtmega krüptograafiat
= the first known ransomware program
https://www.makeuseof.com/aids-trojan-the-first-ransomware-attack-in-history/
(2) kunagine ülekirjutav DOS-viirus (1990, = AIDSB = Hahaha = Taunt =...), kirjutatud Turbo Pascalis
= a former DOS overwriting virus
https://en.wikipedia.org/wiki/AIDS_(computer_virus)