“Essentially invisible:” How hackers ‘trojan-horsed’ QEMU virtual machines to bypass security and drop ransomware

“Essentially invisible:” How hackers ‘trojan-horsed’ QEMU virtual machines to bypass security and drop ransomware

TechRadar April 21, 2026

Hackers hide ransomware tools inside virtual machines using QEMU, allowing attacks to bypass security controls and remain largely invisible.