/usr/share/kde4/services/plasma-applet-plasmamule.desktop is in plasma-widget-amule 2.4.0~git20151120.0023527bc2-1ubuntu1.
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 11 12 13 14 15 16 17 18 19 | [Desktop Entry]
Name=aMule Plasma Applet
Comment=Prints Information about aMule
Comment[fr]=Affiche des informations sur aMule
Comment[tr]=aMule hakkında bilgi görüntüler
Type=Service
ServiceTypes=Plasma/Applet
Icon=application-x-emulecollection
X-KDE-Library=plasma-applet-plasmamule
X-KDE-PluginInfo-Author=Werner Mahr (Vollstrecker)
X-KDE-PluginInfo-Email=amule@vollstreckernet.de
X-KDE-PluginInfo-Name=plasmamule
X-KDE-PluginInfo-Version=0.5
X-KDE-PluginInfo-Website=http://www.amule.org/
X-KDE-PluginInfo-Category=Utilities
X-KDE-PluginInfo-Depends=
X-KDE-PluginInfo-License=GPL
X-KDE-PluginInfo-EnabledByDefault=true
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