A serious bug was found in Binance Ripple wallet that helped many users to withdraw excessive amount of Ripple without even having the balance to support it. 

Test :

send any amount in Ripple to Binance ripple wallet 

rKHhU6ZGmo9iPCdJDTJ74Vwv8zEKS9XxXX

you will be credited instant with a large amount of Ripple - be fast go ahead and sell those coins.