Earthlink's spyware-hunting add-on has been running since January. In that time, it's found an average of 28 spyware apps on users' PCs.
The Spy Audit by EarthLink reflects the results of scans involving over one million computers between January and March.
It uncovered more than 29.5 million examples of spyware. These are parasite programs sometimes come attached to software downloaded from the web.