Ryuk ransomware is a crypto-virus, that is developed by Lazarus Group. This group is notorious for their ransomware distribution, they are mainly targeting corporations that are able to pay huge ransom for decryption of their spoiled data. The ransom cost may be from 15 (100’620$) to 50 BTC (335’500$)! A common user may also be the target of Ryuk ransomware attack, that is why this is essential to have a proper anti-virus. If your computer is infected, learn how to remove Ryuk ransomware and decrypt infected files in this guide.