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.
VMCleaner copies its file(s) to your harddisk and creates new startup key with name vmcleaner and value gxlib.exe. VMCleaner attempts to load a popup web page in the browser each time a user logs in.
Technical details (How to remove VMCleaner(pop up))