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.
Gav.exe is an executable file that is part of the fake spyware remover Green AV, and may cause deterioration of computer system performance and loss of speed. Remove Green AV as soon as possible.