I have Kingston 4GB usb drive. I had given that to my friend for sometime. When he returned I connected that to my system to copy some data. My antivirus just popped out a warning that there is a RECYCLER S-xxxxxx virus. And because my system is also infected. I am using free edition AVG antivirus. It is not updated. Does because the system is infected. I have seen in antivirus report that there are virus called as autorun, ramnit, sality, new heur, and they have shortcuts inside the usb drive. How to get rid of this.