See this report: http://www.av-test.org/fileadmin/pdf/avtest_2013-03_search_engines_malware_english.pdf link report author = Markus Selinger
Yandex has worst results.
Firefox and Chrome are browsers that come by default with Google Safebrowsing, also see Unmasked Parasites.
Users of these browsers can also pre-scan browser search result links with DrWeb’s URL checker, Bitdefender’s TrafficLight, Trustwave, WOT to have a guideline as what URLs to shun. Extensions like NoScript and RequestPolicy in Firefox for instance also will enhance browser security quite considerably.
Also have the avast! shields up and active to have additional protection,
polonus
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