TOKYOCORE Ransomware Lockscreen Audio Loop via MCI/winmm.dll

Duo Tech@duotech

•updated Jul 27, 2026•0•0•7

Detects the execution of MCI commands via winmm.dll to play 'fsociety_sound.mp3', a technique used by TOKYOCORE ransomware to perform audio theatrics during its lockscreen phase.