Ads by Feven is what you see in the upper and lower parts of your browser if your PC is infected with this particular adware. There are many versions of the similar adware, such as feven 1.2, 1.5, 1.7, 2.2., 1.8 and many others. Obviously, there have been many of them in the past and the chances are that this adware will be amended by the crooks as time goes by. Definitely you need to get rid of Feven adware immediately if you see it integrated into your browser.