Delete shortcut Virus from USB or MMC

Step by Step

First of all Click on Start >> Run >> and type cmd and click on OK. 
Here I assume your pen drive letter as G: 
Enter this command.

attrib -h -r -s /s /d g:\*.*

You can copy the above command >>  Right click in the Command Prompt and 
paste it. 
Note : Don't forget to replace the letter g with your pen drive letter. 
Now press Enter 
That’s it!

Now you can  check for your files and folder in  Pen Drive.

TIP: You can open Run Command using your ketboard shortcut key combination. Press  Ctrl + R