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Rhysida ransomware, known for its double extortion tactic, uses a cryptographically secure pseudo-random number generator (CSPRNG) based on the ChaCha20 algorithm to generate encryption keys. Researchers were able to decrypt the ransomware and recover data without paying a ransom.
- Rhysida ransomware uses a double extortion tactic to pressure victims into paying by threatening to release stolen data.
- The ransomware uses a cryptographically secure pseudo-random number generator (CSPRNG) based on the ChaCha20 algorithm to generate encryption keys.
- Researchers were able to decrypt the ransomware and recover data without paying a ransom.
Tags:
Rhysida ransomware
double extortion
CSPRNG
ChaCha20 algorithm
Data Decryption