How To Show Hidden Files In Usb, Hard Disk, Pen Drive Because Of Virus Infection.

Step One:
Go to Control Panel, Folder Options, select VIEW tab, select ”Show hidden files, folders and drives” and uncheck ”Hide protected operating system files (recommended)” now click APPLY.
Step Two:
Go to Start -> Run-> Type CMD and Enter
Step Tree:
Check Drive Letter of your drive from For example, If it is labelled as "H" then type H: and hit Enter.
Step Four:
type this command and hit enter:

attrib -s -h /s /d *.*

or

attrib -h -r -s /s /d h:\*.* 

or

attrib -r -s -h *.* /s /d

or you can unhide folder one by one by this command.

Type ---> attrib -h -s <space> path of the file and then hit enter

 (E.g. attrib -h -s games\tekken and then hit enter.