This is the ㄩㄇ Trojan Horse, will do the dll injection into discord.exe, and play the ㄩㄇ music.

First, put bin/UM.dll
and src/UM.wav
under the same directory,and execute the following command:
rundll32 [PATH/TO/UM.dll],StartUM
If you can, execute it with Admin privilege. This way, the command will be written into regedit, and the trojan horse will start as soon as booting.
Moreover, the trojan horse is invisible from the explorer.