Chaos Ransomware encrypts user files with AES and RSA and demands 2000 yen roughly ~$17 in pre paid cards. It is currently focused on Japan and spread via Minecraft Gamers Alts.

DECAF is a Golang based ransomware. It is written in golang 1.17 in which a new complex mechanism of parameter passing to a function is adopted. This protect it form reserve engineering more difficult.

Karma Ransomware is next evolutionary step in the development of Nemty Ransomware.

Gangbang ransomware is another variant of Nefilim Ransomware and Nemty Ransomware.

Evil Crop has introduced a Ransomware names as Macaw Locker. It targets primarily huge corporation and business. It reported demand 450 Bitcoins as a ransom payment.