40 minutes of aerobic exercise & strength training several times weekly combined with a healthy diet and weight loss will help lower your cholesterol.
Avoid sugars, alcohol , refined carbs in general.and
Cholesterol is not necessarily all bad.
Our bodies need ample cholesterol for the healthy functioning of our nervous system, hormonal production, brain function and so on.
The most damaging type is the small density cholesterol which comes from carbs.
Hope this helps,
Any type of exercise is a good way to help lower cholesterol.