Google has removed a Rogue Android gaming app called “Balloon Pop 2” from its official Play store that was actually stealing user’s private Whatsapp app conversations. An Android game has been published on the official Google Play store to stealthy steal users’ WhatsApp conversation databases and to resell the collection of messages on an internet website. The attacker paying a fee could view the stolen WhatsApp conversations from the WhatsAppCopy website, it is necessary to provide the phone number of the targeted Android device to read the private messages exchanged by the victims.
Source: https://thehackernews.com/2013/12/hacking-whatsapp-chat-apps-malware_7.html