Guys, i only said that my pivx are with mike's pivx and other 97.000 Pivx. I didn't sent any private key or other key to my slack interlocutor but he helped me config a masternode and finally sent me a filezilla named chaines and bloks to sync my masternode and after opening and downloaded it and installed it, instantly the pivx left my wallet. Simple.
This was in June. Until now the thief didn't withdraw any but is staking.