Pop-ups and reroutes such as
ScrSnap are generally happening because of some ad-supported program. If you see pop-ups or advertisements hosted on this site, you must have set up freeware and not pay mind to the process, which allowed adware to enter your computer. Since adware can enter unseen and could be working in the background, some users aren't even see the adware setting up on their PCs. Expect the adware to expose you to as many adverts as possible but there is no need to worry about it directly endangering your OS. It may, however, lead you to a malicious site, which may result in a severe malware threat. If you want for your system to stay safeguarded, you will need to uninstall ScrSnap.
Read more...