Mass storage driver missing

Hello,
i am using hp pavilion dv6 3011tx laptop . two days before in my laptop internet download manager's cc extension installed automatically. after some seconds it shown blue screen with alert "unknown cc". after that computer restated then again blue screen.and restarting continuosly. and my hard disk also not detected.so my recoveryoption cant work . so installed new os but my hard disk is not detected .so it also not installing .it is asking for mass storage driver. i searched it in web i cant find it. so please tell me where i can download the driver.......