Adware:Adware (or spyware) is a small program that is designed to show advertisements (in various form and degrees of intrusiveness) on your computer. It often reports personal information back to its owners. As a result your sense of privacy can be violated.
Adware.WebBuying is an extremely unwanted web advertising application that is known to be affiliated with various harmful Trojan downloaders. Once embedded on your computer, Adware.WebBuying program will bombard you with offers to visit affiliate websites. Adware.WebBuying will launch everytime you turn on your computer.
Technical details (How to remove Adware.WebBuying(pop up))