Keep Receiving 1-800-447-9775 Pop-up?
1-800-447-9775 pop-up is such an unwanted ad-supported program that is capable of sneaking into systems via the distribution of a third party (maybe certain bundled program/shareware or superfluous toolbar/plug-in) and playing havoc on the invaded PC/Mac. Accompanied with "Call support: 1-800-447-9775" webpage scam, you may get a weird page with message telling:
