Can I do good deeds with ill-gotten gains?

If ill-gotten wealth — such as stolen money — involves the rights of others, it must be returned to its owners or their heirs. If they cannot be found after a diligent search, the money should be given as charity on their behalf. If they are found later, they are given the choice: either to ratify the charity and receive its reward, or to claim their right.

As for ill-gotten wealth that does not involve the rights of others — such as bank interest — it should be spent on general charitable projects like hospitals and schools.