Tag: symmetric key

1 Attack Reports | 0 Vulnerabilities

Attack reports

CyberVolk Ransomware: Analysis of Double Encryption Structure and Disguised Decryption Logic

The CyberVolk ransomware, emerging in May 2024, targets public institutions and key infrastructures of anti-Russian countries. It uses a double encryption structure with AES-256 GCM and ChaCha20-Poly1305 algorithms. The ransomware excludes certain files and directories from encryption and uses a sy…
ransomware
geopolitical
pro-russian
chacha20-poly1305
2025-09-12
symmetric key
cybervolk
aes-256 gcm
double encryption
Published: September 12, 2025
Downloadable IOCs: 0
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