An HC file is used to contain an encrypted virtual disk, through the VeraCrypt software. Also, in July 2018, FBI released master decryption keys for versions 4-5. The previous version of the virus did not offer a possibility to decrypt files on only one computer. This algorithm is not reversible, it's normally impossible to find the original word from the MD5. Identifying encryption code Then search for a file with the extension. _ Decrypt hc file onlineĭecrypt hc file online aes-128-cbc-hmac-sha1.