Yanluowang is one of the ten kings of the underworld in Chinese mythology. This name is given to this ransomware based on the extension it adds to its victim's encrypted files.
Khonsari Ransomware exploit Log4j's Log4Shell vulnerability to inject malicious java class which in turns download the ransomware's .net executable.
TellYouThePass ransomware was an old dormant ransomware supposed to be dead. But Log4j's Log4Shell vulnerability, resurrect it and it jumps into action once again. It targets mostly Chinese speaking population.
ALPHV BlackCat Ransomware or simply BlackCat Rasomware is an advance and a sophisticated piece of malware written in Rust programming language. It encrypts data of business users and corporate networks using a combination of AES-128 (CTR mode) and RSA-2048 algorithms, and then requires a large ransom in BTC or Monero for the decryption key.
Cerber Ransomware encrypt Windows and Linux machines by exploiting Atlassian Confluence (CVE-2021-26084) and GitLab (CVE-2021-22205) servers remote code execution vulnerabilities.