Symantec research looks at how different types of ransomware work, not just from a technological point of view but also from a psychological viewpoint. The research also examines how these threats evolved, what factors are at play to make ransomware the major problem that it is today, and where ransomware is likely to surface next. Ransomware has emerged as one of the most troublesome malware categories of our time, with many of the world’s most common forms of malware emerging in the form of cybercrime.”]
Source: https://www.bankinfosecurity.com/whitepapers/evolution-ransomware-in-depth-analysis-w-1858