Usually, most of the virus and worms copies to your USB drive easily. No matter what you do, you cannot stop this action form virus when you insert your USB drive to infected computer. But to prevent from un-authorized copying of viruses you can make your USB storage device completely full so that no more files can be added to it.
But filling up the storage device will not be practical as you have to add some heavy contents there and you won’t like to put large contents which will often hectic job. But after following this tutorial you’ll feel easier to do that.
Initially assume that you have some files in your USB drive and you want to fill up the remaining space.
First download USBDummyProtect (an executable 4KB ZIP file). Once you’ve downloaded the file extract it and copy the exe file in to your USB root drive.
You can see in the first image that we’ve about 1GB disk space left, this tool will help you to fill the remaining space easily by creating a dummy file.
Once the exe file has been copied, run the program by double clicking it. As soon as the program runs, the program starts to create a dummy file that has enough size to fill of all the remaining space of your USB storage device.
Once the dummy file creation is successful you’ll be notified. Press enter to close the program.
You can see a dummy.file in your USB drive.
Also check out your USB device disk space.
It must have filled now with zero space available. This will prevent other infectitous programs to copy itself to your USB drive.
Incase if you want to copy some files from your own non-infected PC then delete the dummy.file and again run the program.