/usr/share/templates/.source/HD.desktop is in libkonq5-templates 4:15.12.3-0ubuntu1.
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 | [Desktop Entry]
MountPoint=
Dev=
ReadOnly=false
Type=FSDevice
Icon=drive-harddisk
|