It is a copycat of the infamous Petya/NotPetya malware, adding the capability of compromising UEFI-based systems and weaponizing CVE‑2024‑7344 to bypass UEFI Secure Boot on outdated systems. One of the analyzed HybridPetya variants exploits CVE‑2024‑7344 to bypass UEFI Secure Boot on outdated systems, leveraging a specially crafted cloak.dat file. We also separately dissect a version of HybridPetya that is capable of bypassing UEFI Secure Boot by exploiting CVE-2024-7344. Also, the version deployed with the UEFI Secure Boot bypass uses a different contact email address (wowsmith999999@proton[. D0BD283133A80B471375 62F2AAAB740FA15E6441 cloak.dat EFI/Diskcoder.A Specially formatted cloak.dat related to CVE-2024-7433, contains XORed HybridPetya UEFI bootkit component.