Be gentle with herpes ulcers, give them a chance to scab over and heal without getting infected. Eventually, the herpes sores or fissures will heal. The scab will fall off and new skin can be seen. This new skin is usually silver or red in color. Keep in mind that you might miss the scabbing stage, but you’ll probably still see this one. Pimple like bump on scrotum. A pimple around the genitals appears to be black, white or red. Some of them are pus-filled and can cause a lot of discomfort. According to ZocDoc, you get a pimple on the skin of your scrotum because the area around the scrotum is always moist.