In late 2022, a ransomware family known as CatB (also called CatB99 or Baxtoy) was first detected. Since November, there have been consistent reports of their attacks, which involve using DLL hijacking via Microsoft Distributed Transaction Coordinator (MSDTC)
In December 2022, criminal forums advertised Nevada ransomware as part of a new ransomware-as-a-service affiliate program. Nevada is programmed in Rust and is compatible with Linux and 64-bit Windows
HardBit has been targeting organizations by encrypting their data and demanding cryptocurrency payments for decryption. In late November 2022, an updated version of HardBit, version 2.0, was released and has been observed in use through the end of 2022 and into 2023.
A new form of ransomware called "DarkBit" has recently emerged and targeted Technion - Israel Institute of Technology, one of Israel's top research universities.
In January 2023, researchers identified a new ransomware called MortalKombat. It's unclear who created it and how it operates. The name and wallpaper of the ransomware seem to be a reference to the Mortal Kombat franchise of video games and films.