Note that many websites have their own advertising, unrelated to adware.
This is a Browser Helper Object.It also displays contextual advertisements.
From the EULA(http://www.freeaccessbar.com/eula.html):
By installing and/or using the Free Access Toolbar? software and service you grant permission for Petro-Line, Ltd. to have the Free Access Toolbar? software run in the background on your computer and periodically launch, in a separate browser window, advertisements for our partner's websites, services or products. The advertisement will be contextual related at the moment they are most interested in a particular product or service. The frequency of these advertisements will vary depending on your use of the Internet. The partner's advertisement, websites, products or services that will be shown to you are not endorsed by and/or affiliated with the websites that trigger their appearance.
Free Access bar integrated into Internet Explorer.