Antonym of MALICIOUS

Malicious : characterized by malice; intending or intended to do harm.
Boastful : showing excessive pride and self-satisfaction in one's achievements, possessions, or abilities.
Indifferent : having no particular interest or sympathy; unconcerned.
Kind : a group of people or things having similar characteristics.
Generous : showing a readiness to give more of something, especially money, than is strictly necessary or expected.

Antonym of Malicious is Generous