Cisco Blogs / Security / Threat Research / Nibiru ransomware variant decryptor Nikhil Hegde developed this tool. Weak encryption The Nibiru ransomware is a .NET-based malware family. It traverses directories in the local disks, encrypts files with Rijndael-256 and gives them a .Nibiru extension. Rijndael-256 is a secure encryption algorithm. However, Nibiru uses a … [Read more...] about Nibiru ransomware variant decryptor – Cisco Blogs