Karma is a relatively new ransomware threat actor, having first been observed in June of 2021. The group has targeted numerous organizations across different industries. Reports of a group with the same name from 2016 are not related to the actors currently using the name. An initial technical analysis of a single sample related to Karma was published by researchers from Cyble in August.

https://www.sentinelone.com/labs/karma-ransomware-an-emerging-threat-with-a-hint-of-nemty-pedigree/