New LOSTKEYS Malware Linked to Russia State-Sponsored Hacker Group COLDRIVER

Over the summer of 2025, a novel malware family emerged following the public disclosure of the LOSTKEYS implant. This new strain was rapidly weaponized in a series of highly targeted campaigns against policy advisors, non-governmental organizations, and dissidents. Leveraging a refreshed lure known as COLDCOPY ClickFix, threat actors masqueraded the payload as a CAPTCHA verification […]