Click on Start > Run, and in the Open area type: cmd
At the command prompt, copy/paste the following command (in bold), and press Enter:
(Note: Use if the drive is recognized as 'e:' If not, replace the letter 'e' with the drive letter!!)
attrib -h -r -s /s /d e:\*.*
Now, check the files in the affected drive...
Post back on how it goes.
Retired - Doin' Dis, Dat, and slapping malware.