Note that many websites have their own advertising, unrelated to adware.
SecureServicePack installs as a Browser Helper Object and shows advertisements for specific search terms entered in browsers.
From the EULA:
Secure Service Pack? (?Secure Service Pack?) offers free downloadable software that allows users to receive enhanced web features and search results in the form of but not limited to pop-up, pop-under or exit-pop HTML pages and I Frames which will appear during your internet session, while browsing the Web.
Uninstaller available at http://plugin.secureservicepack.com/iepluginuninstall.exe