FIN7, FIN8, and Others Use Ragnar Loader for Persistent Access and Ransomware Operations

Threat hunters have shed light on a "sophisticated and evolving malware toolkit" called Ragnar Loader that's used by various cybercrime and ransomware groups like Ragnar Locker (aka Monstrous Mantis), FIN7, FIN8, and Ruthless Mantis (ex-REvil).