You should never download an online third party wallet for any transactions over cryptocurrencies. Always use Metamask while you use the MyEtherWallet.
what can I do to stop it
I have no evidence
the hacker's address is 0xEEBbC9888fD8Ec5dFC267a915664780c8fa66426
My address is 0xd125a58b966dc8bdf10489fd910ca929934a0dbc
It happened in Jun 6th
I guess I download a virus altcoin wallet and the hacker found my private key in my desktop
Your private key has been stolen, and never send money and use that wallet again. Please change to a new address
I think OP knows that pretty much What he is asking is that whether there is any way through which he/she can recover his money.