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.
Snackman is a PacMan type game that displays popup adverts through the enBrowser software. It also is known to be bundled with a Trojan downloader parasite.
Technical details (How to remove enBrowser SnackMan(pop up))