1989 -Popp/ AIDS trojan 2005 - GPCoder trojan 2017 - notpetya (AKA the moller maersk hack) https://actzero.ai/resources/white-paper/the-rise-of-ransomw...
https://us.norton.com/internetsecurity-malware-when-were-com...
Needless to say, it predated cryptocurrency by decades and it’s creators are at the very least millionaires.