17 Ransomware Examples & How They Occurred | UpGuard

This article is a comprehensive overview of ransomware: its evolution, notable families and incidents (AIDS Trojan, WannaCry, CryptoLocker, Petya/NotPetya, Ryuk, etc.), common infection vectors (phishing, exploit kits, EternalBlue, malicious macros), payment and coercion methods (cryptocurrency, RaaS models), observed impacts (hundreds of thousands of systems, large financial losses), and mitigation recommendations including patching, vendor risk management and detection.