Yes, it is a type of mold.
Mold problems in your home or business can have serious effects on you, your employees and your loved ones. And it affect our body internally we couldn't understand it for many days.
If you find small mold presence in any surrounding area. Then use these tip to reduce their effects.
Prepare a solution of chlorine bleach & water :-
By taking one part bleach to 3 parts water – or get hold of a household detergent like Domestos bleach spray with bleach as an active ingredient.
Using a stiff-bristled brush, scrub the infected area. Rinse thoroughly and dry.
If mold presence are in bigger amount.
Then, I recommend you to hire any nearby mold removal specialist to solve such problems.