There is zero chance an employee is going to get in trouble because a browser company they worked for collected funds in an escrow account to be released in the event that an intended recipient signs up.
There is a non-zero chance that a company in legal trouble will suddenly decide an employee wasn't authorized to speak on their behalf and so clearly misrepresent their perfectly legal and honest intentions, and throw that employee under a bus.
Best thing to avoid that, as I said in another comment, is to quit and get a lawyer.
I would think twice about hiring someone if their previous place of work was a scam company, at least because it tells me something about that person's ethical compass.
Best thing to avoid that, as I said in another comment, is to quit and get a lawyer.