Real Evil: ISP Inserted Advertising →
https://marco.org/2007/06/24/real-evil-isp-inserted-advertising
This isn’t very different from when Gator (one of the original spyware giants) would overlay their own banners on top of web publishers’ banners on unsuspecting users’ PCs. The New York Times sued them and won. It won’t take much for this company to be taken down.