Note that many websites have their own advertising, unrelated to adware.
Surfairy is an error-page hijacker implemented as an Internet Explorer Browser Helper Object. When a domain name or 404 error is encountered, it redirects to a page specified by its controlling server www.divago.com.
Divago are now believed to be defunct, as this page is now itself an error page.
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Surfairy/Hlp was the original version; Surfairy/PP is an update with different filename and class ID. Comes bundled with new Packard Bell computers in Europe.
Causes IE6 Service Pack 1 to be unable to print any page.
The page that surfairy changes you to is listed as for sale. Legacy versions may still be in circulation.
There should be an entry in the Control Panel's Add/Remove Programs option to remove Surfairy.