=>check whether the files present in usb are in hidden mode
steps
- here in this step you have to remove shortcut virus using cmd
- click on "start"->run->type cmd and click on ok
- let me consider your drive letter as I:
- enter the command below:

then write the command as shown in the dos box

*to remove ".lnk",type the following command:
-enter this command.Finally,".lnk"file will be deleted and you will be free from virus.