If you find 1-877-773-1597 Pop-up shows up automatically in your browsers and this pop-up is freezing up desktop or laptop screen, pondering OS security and data protection and you can not close it,it means that your computer system is infected with spyware,this pop-up pretends as a legitimate but it is very malicious and the massage from it is fake.The truth is that it is nothing but a stereotype of cyber trap that is based on typical phone scam .And it mainly appears in Internet Explorer, Google Chrome, Firefox or Microsoft Edge. No matter how much you worry about your date security and your system health,dot not be cheated by this warning and do not call for help.