May Have trojans – pop-up ads in Mac Safari Questions and Answers › Category: Malware removal help › May Have trojans – pop-up ads in Mac Safari 0 Vote Up Vote Down Anonymous asked 9 years ago Hi. In the last few days I have found there may be problems on my Mac. Looks like a trojan or virus injects ads into web-pages. Ads and pop-up ads appears on websites where previously advertising banners have never seen!