BlackCat Ransomware raises ante after FBI disruption. FBI infiltrates Russia-based criminal group ALPHV and BlackCat. Seized darknet website and released decryption tool for victims. BlackCat offers 90% commissions for affiliates and targets hospitals and nuclear power plants. FBI gains access and disrupts group's operations. FBI developed decryption tool for affected victims. BlackCat formed by recruiting from other ransomware groups. Operates under ransomware-as-a-service model. Affiliate commissions set at 90%. FBI and BlackCat have private keys for Tor hidden service URL. DOJ offers reward for information on BlackCat affiliates.

https://krebsonsecurity.com/2023/12/blackcat-ransomware-raises-ante-after-fbi-disruption/