Use an updated scanner like Malwarebytes or Windows Security to check for any residual infection.
Permanently remove the file and empty your recycle bin.
If you have already downloaded it, do not double-click or run the program.
Legal: Our service acts like a gateway between you and the filehost service, redirecting the file directly to you from filehosts servers. We never save the file on our servers, therefore ProLeech is totally within the boundaries of legal work.