If your Chrome new tab page is now displaying http://search.searchlff.com then you have the Login Faster Chrome extension installed. When this extension is installed it will configure your browser to automatically open and display the new tab URL of http://search.searchlff.com/?uc=[uc]&ap=appfocus150&source=ospr&uid=[uid]8&i_id=email_4.0&page=newtab& as shown below.
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