VisualSoft FileSecure - Version 1.0 VisualSoft FileSecure is a cryptographic product that helps encrypt/decrypt files and/or folders. VisualSoft FileSecure uses Blowfish symmetric key for encryption and decryption and it also provides file compression and secure file transfer using FTP. It encrypts selected files and/or folders and produces a self-decryption archive. The encrypted file can be decrypted simply by double clicking the archive with the given passphrase.