So, you type in an invalid URL and you find yourself redirected to the absurd website "www.bestsearchonearth.info". Surprise, you're a victim of New.net services. You've probably downloaded some junky shareware that has New.net bundled in it.

If you're on IE or Netscape, do yourself a favor and follow the Netscape removal instructions, which are...
"To deactivate the Search Helper Service, go to the Add/Remove Programs tool in your Control Panel and uninstall the New.net Domains application."