Why I have Mobil tracker

[Android Central Question]

Some time ago some friend send me link on Yahoo mail,it was a photo,but after some time my phone started to be very slow (Samsung j 7) so I looked up in my phone and I'm the smart manger I found Mobil tracker,I tried to delete it but I couldn't,can some one help me to remove it.

 

[jasonandrews25788]

go to Settings then Backup&restore and do a factory reset.