PrinceCoupon by InstalleRex-WebPick browser add-on for Google Chrome, Mozilla Firefox and Internet Explorer classified as adware. It is promoted as shopping helper plug-in - tool that will help you find discounts and coupons on e-commerce websites and save money. However, quality of ads it displays is low, advertising is annoying, pop-ups are aggressive.
CouponFactor by WebPick Internet Holdings Ltd is malicious advertising browser extension that creates equally named ads ads in Google Chrome, Internet Explorer and Mozilla Firefox. Ad banners and pop-ups usually say "Ad by CouponFactor" or "powered by CouponFactor".
PriceMinus by WebPick Internet Holdings Ltd is adware extension from Google Chrome, Mozilla Firefox and Internet Explorer browsers. After installation it starts generating ads in browser windows. It can be banners, pop-ups, coupons and discounts. Also PriceMinus inserts ads in Google search engine results.
Crazy Score by Yontoo Technology Inc is adware, that creates ads and pop-ups in Google Chrome, Mozilla Firefox and Internet Explorer. It adds extensions or browser helper objects in all installed browsers. After installation it starts randomly display advertising. Usually banners are signed "brought by Crazy Score" or just "Ads by Crazy Score".