HelloXD is a relatively a new Ransomware operation that is drives form Babuk Ransomware. It is still in early developmental stages and adding functionality continuously.
Bumblebee Loader is a replacement for BazarLoader, which is used by Conti group to deliver ransomware. The Bumblebee infection starts through spam email. This email contains a link to further download an ISO file.
Goodwill ransomware encrypts it victim data and then requires them to show kindness to strangers and confirm this with a message on social networks, as well as record a video in order to be able to return their files.
Yashma Ransomware is the paid version of Chaos Ransomware. It demands a ransom of 300 euros worth of BTC.
Kekpop Ransomware encrypts user data using a combination of AES+RSA algorithms and then demands a ransom of $500 in BTC to get the files back.