From blog.malwarebytes.com
The Malwarebytes Threat Intelligence team monitors the threat landscape continuously and produces monthly ransomware reports based on a mixture of proprietary and open-source intelligence.
April 2022 was most notable for the emergence of three new ransomware-as-a-service (RaaS) groups—Onyx, Mindware, and Black Basta—as well as the unwelcome return of REvil, one of the world’s most notorious and dangerous ransomware operations.