Today, I discovered a new variant of the CryptoMix ransomware that is appending the .SHARK extension to encrypted file names. This family of ransomware usually releases a new version almost every week, if not sooner, so it is a bit surprising to see them take almost three weeks to release this variant. […]

from https://www.bleepingcomputer.com/news/security/the-shark-cryptomix-ransomware-variant-smells-blood-in-the-water/