Tag: expetr

1 Attack Reports | 0 Vulnerabilities

Attack reports

Introducing HybridPetya: Petya/NotPetya copycat with UEFI Secure Boot bypass

A new ransomware called HybridPetya has been discovered, combining features of Petya and NotPetya with advanced UEFI-based system capabilities. It encrypts the Master File Table on NTFS partitions and can install a malicious EFI application to compromise UEFI systems. One variant exploits CVE-2024-…
ransomware
uefi
bootkit
CVE-2024-7344
2025-09-15
2025-09-12
notpetya
petya
bypass
mft encryption
hybridpetya
secure boot
petrwrap
diskcoder.c
secure boot bypass
expetr
goldeneye
nyetya
Published: September 15, 2025
Linked vulnerabilities : CVE-2024-7433 (CVSS 8.8), CVE-2024-7344 (CVSS 8.2)
Downloadable IOCs: 7
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