Happiness Web Bug RAT Joke Agent - Version 1.3.70 Happiness Web Bug RAT Joke Agent is a best-of-class anti-spyware cleaner. Exterminate's free scanning engine uses the most complete and up-to-date signature files. Exterminate, then, categorizes each threat, so you can accurately and easily assess the danger that spyware poses to you and your PC. Unlike any other anti spyware product, we have designed Exterminate to be easy-to-use and informative.