1) The document traces the origins of ransomware back to 1989 with the creation of the AIDS Trojan which encrypted files and demanded payment. 2) It discusses early proof-of-concept ransomware in the 1990s and 2000s that used encryption and demanded small payments. 3) By the 2010s, ransomware like Cerber, Spora, and Locky were infecting victims worldwide and highlighting the global impact of ransomware attacks. Events like the NotPetya attack in 2017 caused widespread damage.