Tag Archives: Decrypter

Decrypter for HydraCrypt and UmbreCrypt

Two new malware families being distributed via exploit kits earlier this month: HydraCrypt and UmbreCrypt. After a quick analysis it turned out that both families are closely related to the CrypBoss ransomware family whose source code leaked onto PasteBin last year. While HydraCrypt and UmbreCrypt both change some of the implementation details in┬áthe encryption scheme, the original flaw that allowed …

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