Yes the story of Madhu kaitabh are killed by lord vishnu hence he is known as madhusudan. This is mentioned in devi puraan and vishnupuran and also mahabharat. Its also there in durga saptashati. Godess yogmaya also known as vishnu maya and adi shakti awakened lord vishnu from his yogic sleep and hence playing a very important role in killing the demons. Hence she is known as madhu kaitabh hantri.she is known as vishnu maya and is the eternal consort of lord shiva.