/usr/share/applications/torbrowser.desktop is in torbrowser-launcher 0.2.9-2.
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 11 12 13 | [Desktop Entry]
Name=Tor Browser
Name[hu]=Tor-böngésző
GenericName=Tor browser
GenericName[hu]=Tor böngésző indító
Comment=Launch Tor Browser
Comment[hu]=Tor böngésző indító
Exec=torbrowser-launcher %u
Terminal=false
Type=Application
Icon=torbrowser
Categories=Network;WebBrowser;
StartupWMClass=Tor Browser
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