It is good to know some of the biggest spyware threats and exactly what they will do. This can help the user to be more aware.
Different methods are used to determine the top threats so not all surveys will show the same results.
These results are from scans made by CounterSpy from Sunbelt Software.
Some of the names on the list are:
Virtumonde
Zango.SearchAssistant
SpySheriff
Command Service
Here is a link to the complete 10 list, which also contains a description of each one.
Computing News :: Sunbelt Announces Top Ten Spyware Threats for September