The AVG search tool here uses antiphising filtering to weed out any garbage sites while some downloads are more likely to see adwares or an occasion spyware rather then any virus. The problem mainly is that a site will provide links for 3rd party sites that where screensavers may originate from.
Whenever downloading from any new site first step up your protection to avoid getting caught offguard. If you presently lack that there are several programs that can be recommended.
