/usr/share/applications/xdesktopwaves-start.desktop is in xdesktopwaves 1.3-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Desktop Entry]
Name=xdesktopwaves: start
Type=Application
Exec=xdesktopwaves -rain 5
Icon=xdesktopwaves
Encoding=UTF-8
Terminal=false
Categories=Application;Game;Amusement;
|