How to get rid of artemis! virus?

I have tried to get rid of my this virus on my computer I have tried several options like combo fix, super Anti spyware, ccleaner, malwarebytes anti malware scanner, root repeal, however I've only known how to use all except that last one, is there anyone who can tell me how to get rid of this thing It keeps messing with word pad when I write and I cant install firefox or google chrome please someone help.