its spyware
read
http://www.generation.net/~hleboeuf/bho_p_s.htm
get CoolWebShredder
http://www.spywareinfo.com/~merijn/files/cwshredder.zip
http://mjc1.com/files/merijn/cwshredder.zip
A small utility for removing CoolWebSearch (aka
CoolWwwSearch, YouFindAll, White-Pages.ws and a
dozen other names). Spybot S&D tends to forget
essential parts of the hijack, so until it
updates, you can just this to completely remove
the hijack. Updated to remove the new variants
once they come out.
Currently at version 1.12
Spybot - Search & Destroy can detect and remove
spyware of different kinds from your computer.
Spyware is a relatively new kind of threat that
common anti-virus applications do not yet cover.
If you see new toolbars in your Internet
Explorer that you didn't intentionally install,
if your browser crashes, or if your browser
start page has changed without your knowing, you
most probably have spyware. But even if you
don't see anything, you may be infected, because
more and more spyware is emerging that is
silently tracking your surfing behaviour to
create a marketing profile of you that will be
sold to advertisement companies. Spybot-S&D is
free,
Search your hard disk for so-called spybots or
adbots, the modules that are responsible for
showing ads and transmitting information back to
vendors. If Spybot Search and Destroy finds such
modules, it will remove them or replace them
with empty dummies. In most cases, the host
software still runs after removing the
bot.Finally, Spybot removes your usage tracks
(last visited Web sites, opened files, started
programs, and cookies)
download it from
http://spybot.eon.net.au/index.php?lang=en&page=download
how to use it tutorial
http://spybot.eon.net.au/index.php?lang=en&page=knowledgebase/getstarted
http://tomcoyote.org/SPYBOT/