Karken Cryptor Ransomware encrypt user data using AES-128/256 (CBC mode), as well as other ciphers (RSA, Salsa20, RC4), and then requires a redemption of 0.25 BTC to return files.

Ryun Ransomware is a sophisticated piece of code written on the lines of Hermes Ransomware. It demands 15 to 35 BTC from it victims to recover files.

The Hermes Ransomware encrypts the files on a computer. It does not change the name of the files. This ransomware is distributes using AZORult Stealer malware.

Aurora Ransomware is like another ransomware that encrypts user files and ask money for the decryption key. It is delivered to the victim machine by AZORult RAT. After it successflly encrypt user files it ask for $150 worth of Bitcoins for decryption key.

AZORult is a trojan horse or a Remote Access Trojan (RAT) that have the ability to steal data from its host. It can deliver any type of malware after it gain foot hold in its victims machine. All data it harvest will send back to its command and control server.