How to remove KingOuroboros Ransomware and decrypt .king_ouroboros files

KingOuroboros Ransomware encodes user files on the infected computer, adding .king_ouroboros extension and demands a ransom. For example, myfamily.jpg is changed to myfamily.jpg.king_ouroboros. After infiltration, it immediately starts encrypting sensitive files in the hidden mode so that the user can not notice anything suspicious.