Thanks to google for blocking sites which contain deceptive material and fake download button. Many sites owners focus on ads and fake clicks. So they put download button just after important information, suppose your article is related to project download and you put download advertisement in place of actual download link. When visitor comes on your website and they click on advertisement. The whole deceptive material banned by google's safe browsing tech. By using this ,you can protect yourself or computer from malware and unwanted software.
|Source : http://arstechnica.com/|
Google already banned those site which contain wrong information and unwanted Softwares, you can say which breaks "Social Engg attacks".