What is the Ryuk Ransomware Decryptor Bug?

In 2019 alone, at least 3 managed service providers (MSPs) have been attacked by Ryuk ransomware. A Russian-based eCrime group that calls itself “WIZARD SPIDER” has been operating the Ryuk ransomware since August 2018. This group has directed its attacks toward large, enterprise organizations in the hopes of receiving a large ransom sum. Victims of Ryuk ransomware have been using a decryptor to recover their [...]