Shoponi is a pesky adware:
Shoponi has been confirmed to be a nasty adware or potential unwanted program (PUP) which could distribute a mass of advertising information and sponsor links in the form of popping-up windows in the targeted system without authorization. Ads by Shoponi show up all the time no matter people are surfing the web, editing Microsoft documents, or operating the PC for other tasks. People may be redirected to strange web pages once they click these ads from Shoponi.
