Giftrain is adware and a Potentially Unwanted Program. If you are seeing pop-up ads from Exclusiverewards.giftrain.eu whenever you open a new tab within Internet Explorer, Firefox or Google Chrome, you have the adware on your PC. It can be removed using AdwCleaner, Malwarebytes Anti-Malware, and HitmanPro. File:SurveyScam.jpeg This infection is designed specifically to make money. It generates web traffic, collects sales leads for other dubious sites, and will display advertisements and sponsored links within your web browser, which is usually annoying.