Ok this is happening in real time here. I first saw it get retweeted on twitter here and then I went to reddit and there were numerous new posts all reporting the same address.

Look at this ether scan below. This address is just soaking in $1000 every couple minutes of people signing into MEW or clicking a button and their accounts automatically forwarding all of their ETH to this address....

https://etherscan.io/address/0x1d50588C0aa11959A5c28831ce3DC5F1D3120d29