Tried Minergate some day. Tried hardcore (lol) pool mining the other day.
When I discovered that my hashrate and the number of earned coins are SUDDENLY quite lower with Minergate, I quit.
So be careful.
Yeah. Minergate is pretty well known for stealing hashes - theres no good reason for it, honestly. Just be warned.
If you really want a one click mining solution just use Nicehash.