Note that many websites have their own advertising, unrelated to adware.
From AZeBar website
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AzeBar is a powerful search toolbar that allows you to search directly from your browser without having to navigate to a search engine. Simply type in what you are looking for into the AzeBar search box and click the "GO" button to see results.
After installing the AZeBar, other bars and applications are installed.
Please read their terms page.