The best redirect-ware programs are the ones that hang up your modem then redial out to a carribean island that's hosting porn sites. Now you're paying international long distance call rates.
If you let a teenage kid use your computer you're liable to find your phone bill has $1000 in international phone calls. Most phone companies will give you a partial credit, one time. They can't let it go because they are on the hook to the international carrier for the fee themselves.
They even have a way to zap Cable/DSL users. It asks you to enter your phone number, then bills the phone number for the minutes even though you are on cable/dsl!