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.
Was your wallet encrypted? Was it open and unlocked for staking? Are you both running on windows? That sucks that you lost your coins. Seems like all of the wallets need to switch over to fibre lock so it take clicks and key presses.