What tools you are using for mining?

All X11 tools return rejected blocks

[2017-12-28 21:39:53] accepted: 0/1 (diff 0.064), 102.36 MH/s booooo
[2017-12-28 21:39:53] reject reason: low difficulty share of 2.886600873641242e-10
[2017-12-28 21:39:54] accepted: 0/2 (diff 0.074), 117.55 MH/s booooo
[2017-12-28 21:39:54] reject reason: low difficulty share of 3.458714888012202e-10