Threat researchers have illuminated a “complex and advancing malware arsenal” known as Ragnar Loader, utilized by multiple cybercriminal and ransomware factions such as Ragnar Locker (also referred to as Monstrous Mantis), FIN7, FIN8, and Ruthless Mantis (previously REvil).
“Ragnar Loader is crucial for maintaining entry to breached systems, assisting invaders in remaining within networks for extended periods,” Swiss