The ESET "We Live Security" Blog:
Are you a Facebook user?
If so, be on your guard if you see a screen like the following popping up on your screen: [Screenshot]
Hopefully the poor grammar is enough to trigger your alarm bells, and prevent you from entering your mobile phone number.
But if it's not, there is a risk that malicious hackers could soon be listening in to the calls made on your Android smartphone, intercepting your SMS text messages, and even listening in to any private conversations you are having in the vicinity of your phone.
And, if the hackers can read your SMS messages, they can potentially break into your online bank accounts too.
Continued : http://www.welivesecurity.com/2014/04/22/facebook-android-bank/
Related : Android trojan app targets Facebook users