Most of the time, Our computer is infected by Auto-run virus. Namely Autorun.inf which in the flash drive or so called pen drive. The virus spread mainly through Flash drives. Even sometimes, Our computer is fully virus free, but when you insert your pen drive into your friends computer or any unknown computer, your pen drive may be affected by Autorun Virus. For this one simple tool can be very handy which is called USB Vaccine or USB Immunizer.
If your Pen drive get chance of infection, Immunize your pen drive first.
Download Panda USB Vaccince:
Size: 939 KB
Or you can use USB Immunizer from Bitdefender USB Immunizer
Size: 3.74 MB