Hide, lock and encrypt files and folders with HiBit. You can also set random folders to be Recycle Bin. The program is very easy to use: simply click the function button, choose "Hide", "Lock" or "Encrypt", select the desired files or folders and, again, click "Hide", "Lock" or "Encrypt", depending on the preferences. As for encrypting, you can select a password, crypt type (_Xor, _AddSub), encryption hash strength up to 256 bits.
Pluses:
Drawbacks / flaws: It only works on FAT (12, 16, 32) file system. A quite unstable program, as it crashed a few times during the encryption process.
In conclusion: Easy to use and simple, but poor features and unstable.