do i need a scam lawyer?

You haven't provided enough information about the bad check. There's no such thing as a "scam lawyer," but any consumer/civil litigator that you consult with should be able to provdie some specific advice once you fully disclose your situation about this check.

Disclaimer: Please note that this answer does not constitute legal advice, and should not be relied on, since each state has different laws, each situation is fact specific, and it is impossible to evaluate a legal problem without a comprehensive consultation and review of all the facts and documents at issue. This answer does not create an attorney-client relationship.