sony
it seems that sony's made a colossal error. they've shipped anti-copying software on their music cds that is functionally equivalent to spyware. in addition, malware can hide in the security holes sony made. idiots. ed felten has pretty much covered the topic here:
[1] [2] [3] [4] [5] [6] [7] [8]. don't play sony music cds on your pc.