I recommend you UnHackMe - Ultimate Malware Killer for fast malware removal:
Download UnHackMe
Fully Functional 30-day Trial. No credit card is required. Reviews. EULA. Privacy Policy.
The file mfokrrnlanw.exe is a part of Fake Antiviral software.
You must delete the file mfokrrnlanw.exe immediately!
Delete the file mfokrrnlanw.exe without delay!
Kill the process mfokrrnlanw.exe and remove mfokrrnlanw.exe from Windows startup.