Law Enforcement Disruption of Major Malware and Ransomware Operations

International law enforcement agencies have intensified efforts to disrupt the infrastructure of prominent malware and ransomware operations. Europol, as part of Operation Endgame, targeted the servers supporting the Rhadamanthys information stealer, resulting in a sudden loss of access for its operators and a halt in observed activity since late October 2025. Rhadamanthys, a C++-based stealer-as-a-service, had been widely distributed through phishing campaigns and malicious ads, with its latest version released in October 2025. The operation's impact on the long-term viability of Rhadamanthys remains to be seen, but the immediate effect has been a significant reduction in its activity.

In parallel, law enforcement agencies across the US and Europe have made notable arrests and infrastructure takedowns targeting ransomware groups. The UK’s National Crime Agency apprehended a suspect linked to a ransomware attack that disrupted multiple European airports, while US authorities filed charges against the administrator of several notorious ransomware gangs and seized assets from a Zeppelin ransomware distributor. Additionally, a coordinated international operation dismantled the infrastructure of the BlackSuit ransomware group, further demonstrating the global commitment to combating cybercrime. These actions collectively signal a robust and ongoing crackdown on cybercriminal operations by international authorities.