MyShopcoupon is potentially unwanted browser add-on, that displays fake system alerts, tech support scam ads and pop-ups in Safari, Google Chrome or Mozilla Firefox on Mac. It mainly offers MacKeeper for download, to solve nonexistent problems. Advertisements delivered by this adware are usually signed like: Powered by MyShopcoupon, Brought to you by MyShopcoupon, You’ve received a premium offer from MyShopcoupon or just Ads by MyShopcoupon. MyShopcoupon can also display price comparison ads, coupons, discount offers on shopping websites like eBay, Amazon, BestBuy and others.