The History of the Ransomware Threat

Interestingly, ransomware is not a new thing. It first appeared in 1989 with a Trojan program called, “AIDS Trojan,” which was spread by floppy disk. The AIDS Trojan used several tricks to hide files and encrypt their names using symmetric cryptography. The author extorted a $189 fee from users to provide a restoration tool. The author was identified and forced to stop the distribution,

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