PExtractor is a forensics tool that can extract all files from an executable file created by a joiner or similar.
You can download it from the following link: https://packetstormsecurity.com/files/download/62977/PExtractor_v0.18b_binary_and_src.rar
Source: https://packetstormsecurity.com/files/62977/PExtractor_v0.18b_binary_and_src.rar.html