i have a problem in my pendrive. problem is that I dont know what type of threat came in pendrive. it hides all my folders pendrive. whenever I click on pendrive I cant see anything but when I see properties of that drive it shows data.how to remove this prob? ...wat type of virus is this dont have any name I tried all type of antivirus its scan in pen drive but I cant see them. plz help me if any body know this.