Earlier quoted context omitted.
No. I mean the companies whose sole business is to get you to download bundled malware, change your search engine, push ads to every site you browse using extensions etc. Source: I've worked at one of those.
Surely the companies that advertise via Google to try and deceive you to into clicking their download button or whatever fit the bill? And surely Google, by actively enabling them, is also part of the process. As stated elsewhere on this thread, if they can detect deceptive sites, they can detect deceptive adverts.
We're getting pretty good at image classification, but I don't think that extends to maliciously crafted inputs.