Technical Analysis of Crytox Ransomware
Security Boulevard
SEPTEMBER 21, 2022
Crytox uses AES-CBC with a per file 256-bit key that is protected with a locally generated RSA public key. The most noteworthy thing is the use of a specific implementation of AES-CBC shown in Figure 2. Crytox implementation of AES. The authors borrowed the AES code and modified some parts to meet their needs.
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