Group-IB published a report titled Ransomware Uncovered 2020-2021 analyzes ransomware landscape in 2020 and TTPs of major threat actors. Ransomware operations turned into robust competitive business structures going after large enterprises. North America, Europe, Latin America, and the Asia-Pacific became the most commonly attacked regions respectively. Big businesses cannot afford downtime, averaging 18 days in 2020, while the average ransom amount increased almost twofold. Maze, DoppelPaymer, and RagnarLocker were the greediest groups, with ransom demands averaging between $1 million and $2 million.”]
Source: https://securityaffairs.co/wordpress/115268/cyber-crime/ransomware-landscape-2020.html