/usr/share/applications/remmina-file.desktop is in remmina 1.2.0-rcgit.29+dfsg-1ubuntu1.
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=Remmina Remote File
Comment=Access remote desktops with Remmina
Exec=/usr/bin/remmina --connect %U
Icon=remmina
Terminal=false
Type=Application
StartupNotify=true
MimeType=application/x-remmina;
NoDisplay=true
|