HybridPetya: (Proof-of-concept?) ransomware can bypass UEFI Secure Boot

ESET researchers have discovered HybridPetya, a bootkit-and-ransomware combo that’s a copycat of the infamous Petya/NotPetya malware, augmented with the capability of compromising UEFI-based systems and weaponizing CVE-2024-7344 to bypass UEFI Secure Boot on outdated systems. The sample was uploaded from Poland to the malware-scanning platform VirusTotal, and ESET telemetry shows no signs of the malware being used in the wild yet. About HybridPetya “Late in July 2025, we encountered suspicious ransomware samples under various filenames, … More →

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