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What Is It?
Ibis Toolbar - wtoolsa.exe
What Does it Do?
This toolbar is also a search hijacker and BHO. It will also try to
install a number of other applications which according to the terms you
agreed to while installing it CAN do! IBIS has been known to prevent
you from visiting a number of popular spyware removal sites.
Web Search features one-click access to the search results of
fifteen (15) of the best search providers on the Internet! Now, you can
search for relevant web results, images, audio, news and much more from
one convenient location! Web Search is your best "search friendly" tool
on the web, saving you time and effort. Source
Our Ibis Toolbar Removal guide can be found here