A widespread campaign is distributing the RenEngine loader malware disguised as pirated games and software. The loader uses a modified Ren'Py game engine to deliver payloads like Lumma and ACR stealers. It employs sophisticated techniques including sandbox evasion, process injection, and modular design. The infection chain involves decrypting and launching malicious code through legitimate applications. RenEngine has affected users globally, with Russia, Brazil, Turkey, Spain and Germany most impacted. The campaign highlights risks of pirated software and the need for robust security measures.