Types header

Name Cryptojoker
Type Crypto Ransomware
Encryption Type AES -256 Encryption
Short Description CryptoJoker ransomware encrypts the data using AES-256 encryption and then demands a ransom in bitcoins to recover the data back.
Symptoms The targeted file extensions will be renamed to as. crjoker extension. For example, car.jpg would become car.jpg.crjoker
Distribution Method This ransomware uses various techniques for its distribution such as spam emails with fake PDF or Microsoft word attachments.

The below showing the ransom note of crypto joker ransomware.

Cryptojoker1 1

More Details

The list of extensions that cryptojoker targets are

Cryptojoker1 2

While encryption process, CryptoJoker ransomware will send information to the Command & Control servers of malware authors. The data send through the Command & Control servers includes date, username, hostname and machine name.

The files associated with CryptoJoker are as follows,













The registry entries associated with CryptoJoker are as follows