Stormous Ransomware gang is well know for website defacement and data theft. They recently targeted Coca Cola and stole 161 GB of data from there servers. They are currently asking a ransom of 1.65 Bitcoin for not publicly releasing stolen files.
Onyx Ransomware is the based on the Chaos Ransomware. It encrypts used data ask a ransom of $100,000 in BTC to get the files back. It starts is operations in mid April of 2022.
REvil or Sodinokibi ransomware operation is apparently resumes again. Its operation was shutdown by law enforcement agencies in October 2021. Their TOR website is resumed and a new sample is captured in the wild.
Black Basta ransomware encrypts user data using a combination of AES + RSA algorithms and then demands its victims to contact them via their tor site for ransom negotiations.
BlackGuard is a new Stealer that is available for sale in hacking forums. It is offered as malware-as-a-service with a lifetime price of $700 and a monthly price of $200.