Yes I had 781 btcd and now I have 0. I checked the address it was sent to and I have never seen it before.
Same happened to my on Dec. 23rd.
I had 1862 BTCD and when I checked my wallet on 25th there was a address the coins where send to : RR9CGV3bTMuJnofVzh5LBbGydQh59YW9oh
The transfer happened at 11:49 PM when I was still sleeping.