A program that automatically sends out your bitcoin to the scammer's address? If this is true, sounds like a very targeted hack. I really doubt that's simply going in to a "chat" is what caused it though. Do you have any source?
Also, the client has over $2.6m worth of bitcoin; on a hot wallet? Come on now.
Some persons were lately attacked by same hack, the software is being sold by one hacker, from our findings cryptoblackhat as the skype username. Be careful because it's going viral.