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So you paid a ransom demand … and now the decryptor doesn't work

ID: 011ae455-a540-5404-a39f-48eff3d7206b

STIX ID: report--011ae455-a540-5404-a39f-48eff3d7206b

Feed Name: The Register (Security)

Threat Score
70/100

Date Published: 2024-09-11

Date Updated: 2026-04-26

Author: Jessica Lyons

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A victim of Hazard ransomware paid a ransom but the provided decryptor failed; GuidePoint Security intervened, patched the broken decryptor, and brute-forced 16,777,216 combinations to recover missing cryptographic bytes and successfully decrypt files. The article explains reasons decryptors can fail (bugs, wrong environment, or attacker bad faith), notes differences in sophistication across ransomware groups, and emphasizes that paying a ransom does not guarantee recovery.

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