One EXE maker is file wrapping software that can be used for Trojan vectoring. It binds two or more executable files together and also provides options for running program in hidden mode or visible mode.
Download and install Senna Spy One EXE Maker.
Click on Add Files and add your Trojan or virus file along with any legitimate file, best option is any setup file or portable application.
From open mode select hide for Trojan file and action open/execute.
You can add as many files you want and save as one executable file, send it to victim and you are done.