yea im running windows but how does that even happen. im 99.9% sure i dont have a key logger. i work in IT and im not that dumb to get a virus and stuff that easily. they would need to have my my wallet in order to send themselves bitcoin right? it is password protected. im using multi-bit
They would just need the private key(s). Hopefully you don't have a virus or key logger but the odds are you have some type of malware given that is how most people lose bitcoin.