https://www.bleepingcomputer.com/news/security/gandcrab-v4-released-with-the-new-krab-extension-for-encrypted-files/

Over the weekend, the GandCrab V4 Ransomware was released with numerous changes. These changes include a different encryption algorithms, a new .KRAB extension, a new ransom note name, and a new TOR payment site.

Unfortunately, at this time, victims of GandCrab v4 cannot decrypt their files for free. As always if you wish to discuss this ransomware or receive help with it, you can use our GandCrab Help & Support topic.