Search.searchw3m.com is a hijacker seen as a rather trivial infection. Redirect viruses are generally accidentally set up by users, they may not even be aware of the infection. Try to recall whether you have recently installed some kind of a free application, as browser hijackers for the most part travel using freeware bundles. A redirect virus is not a dangerous virus and ought to not do any direct damage. You will, however, be regularly redirected to sponsored sites, because that is why they even exist. Browser hijackers don't check the websites so you could be rerouted to one that would lead to a damaging program infection. It's not recommended to keep it as it is rather worthless to you. To go back to normal surfing, you ought to remove Search.searchw3m.com.
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