Didn't expect for this cloud Ponzi mining site is still alive after all the years its being operating. If you have just researched first then you would actually find these old thread about this one.

https://bitcointalk.org/index.php?topic=1571743.0
https://bitcointalk.org/index.php?topic=1580717.0
https://bitcointalk.org/index.php?topic=2291187.0

This is already enough for you not to involved yourself into this site and other similar ones.