Thanks for your query.
and for that matter any statin causes disturbance in liver
function so your doctor has rightly stopped the statin and started you on medicine and advised diet control.
The increased cholesterol
can be less related to hereditary and more likely to be related to diet.
You will need a proper diet to control the cholesterol as well as exercises like brisk walking,aerobics
I would suggest you to get dietary help from a dietitian and start on exercise.Hopefully in a month or two your cholesterol shall be under control.