Yesterday the developper of the wallet app "Peerther" contacted me and refunded all of my ETH
If you are a victim of the hack, contact the developper of the app: http://peerther.com
Original thread: https://forum.ethereum.org/discussion/10175/big-scam-this-wallet
Reddit thread: https://www.reddit.com/r/ethereum/comments/4zcne9/this_app_stole_ethers/
And a screen of the update on peerther.com:
Thanks to him !