New Malware Campaign Uses Cracked Software to Spread Lumma and ACR Stealer
Feb 24, 2025
Endpoint Security / Vulnerability
Cybersecurity researchers are warning of a new campaign that leverages cracked versions of software as a lure to distribute information stealers like Lumma and ACR Stealer. The AhnLab Security Intelligence Center (ASEC) said it has observed a spike in the distribution volume of ACR Stealer since January 2025. A notable aspect of the stealer malware is the use of a technique called dead drop resolver to extract the actual command-and-control (C2) server. This includes relying on legitimate services like Steam, Telegram's Telegraph, Google Forms, and Google Slides. "Threat actors enter the actual C2 domain in Base64 encoding on a specific page," ASEC said . "The malware accesses this page, parses the string, and obtains the actual C2 domain address to perform malicious behaviors." ACR Stealer, previously distributed via Hijack Loader malware, is capable of harvesting a wide range of information from compromised systems, including files, web browser data, ...