File and Folder Locker is a Free and Portable File and Folder Locking Tool "Encryption Tool" created by Al Emran Tareq. It can be used to encrypt and password protect files and or folders on your USB Flash Drive "Lock Files on USB" or any other NTFS Formatted Drive. The File and Folder Locker requires no installation on a PC. It can be run directly from the USB Device.
File and Folder Locker
Authors Website: http://alemrantareq.blogspot.com/2010/10/file-and-folder-locker-usb-edition.html
Download: You can get this Free File Encryption Tool HERE