An interesting post has been published on How to Hack and Decrypt WhatsApp Database (Remotely) [ROOT] that explains how to extract and decrypt WhatsApp database from a rooted Android system. The post includes a detailed procedure to hack and. decrypt WhatsApp Database remotely on rooted Android mobile devices. The attacker need a key file that is present in the data folder, the only way to access it is having the root privileges. The key file is indispensable to decrypt the WhatsApp database.”]
Source: http://securityaffairs.co/wordpress/40727/hacking/hack-decrypt-whatsapp-database.html