iks_current.reg definition, relationships, removal:

This is a part of a malicious parasite that violates user privacy and damages the compromised system. The iks_current.reg file can be used for different purposes depending on the related parasite's type, functionality and carried payload. Although iks_current.reg may not take any malicious actions by itself, it ensures that a parasite is working properly and therefore needs to be removed. DO NOT open, execute or edit iks_current.reg!
The iks_current.reg file is installed and used by keylogger Invisible Keylogger.
Sometimes a presence of iks_current.reg does not indicate that your computer is infected. It can be an essential system file or a file installed by harmless legitimate software and therefore may not pose any threat to your privacy and the system. Although such cases are quite rare, you should thoroughly examine iks_current.reg before completely deleting or leaving it in the system.