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Korean cybersecurity agency released a free decryptor for Hive ransomware

Security Affairs

JUNE 30, 2022

According to a report published by blockchain analytics company Chainalysis, the Hive ransomware is one of the top 10 ransomware strains by revenue in 2021. The malware is extracted from a specific offset of the master key 1MiB and 1KiB of data for each file to be encrypted and uses as a keystream.

Ransomware

Ransomware Cybersecurity Encryption Blockchain

A flaw in the encryption algorithm of Hive Ransomware allows retrieving encrypted files

Security Affairs

FEBRUARY 21, 2022

According to a report published by blockchain analytics company Chainalysis, the Hive ransomware is one of the top 10 ransomware strains by revenue in 2021. “Hive ransomware uses a hybrid encryption scheme, but uses its own symmetric cipher to encrypt files. The offset is stored in the encrypted file name of each file.

Encryption

Encryption Ransomware Paper Blockchain

Korean cybersecurity agency released a free decryptor for Hive ransomware

A flaw in the encryption algorithm of Hive Ransomware allows retrieving encrypted files

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