|This is Clear Search, Inc.
"... We do collect limited information, which is anonymous such as your IP address, keywords
and URL errors typed in the address bar, and date and time of this event. As well, our software
reports an alive status back to the server once a day to assist in determining our coverage. ..."
Can silently download and execute arbitrary code from its controlling server, as a
Try to uninstall it by Add/Remove Programs applet in Control Panel.
If it doesn't work remove by antivirus (also check How To Remove section)