Backdoor Ryknos Removal Tool is a tool designed especially to help you get rid of the infections of Backdoor.Ryknos, Backdoor.Ryknos.B & SecurityRisk, First4DRM Backdoor. To remove the infections, you must disconnect your computer from network (LAN, internet). If you remove an infection from a network, first ensure that all the shares files are disabled or set into read-only. This tool has not been designed to run on Novell NetWare servers. To remove this threat from a NetWare server, first check that you have the virus definitions and run a full system scan with Symantec antivirus. Backdoor Ryknos Removal is a freeware and compatible with Windows platforms.