/usr/share/applications/x11vnc.desktop is in x11vnc 0.9.13-1.2+b2.
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 9 10 | [Desktop Entry]
Name=X11VNC Server
Comment=Share this desktop by VNC
Exec=x11vnc -gui tray=setpass -rfbport PROMPT -bg -o %%HOME/.x11vnc.log.%%VNCDISPLAY
Icon=computer
Terminal=false
Type=Application
StartupNotify=false
#StartupWMClass=x11vnc_port_prompt
Categories=Network;RemoteAccess;
|