Help! does anyone know how to remove malware?

[Hamata]

well i was browsing game copy world and all of the sudden a "anti virus software" installed it self on my comp! it's called internetsecurity gaurd which i have learnd is a FAKE! does any one know how to do this the easy way? i'm not a computer wiz and if my dad sees this omn my computer he'd ground me for life well not that extreme



Edit VIRUS FREE!