Never heard of that. Nevertheless kind of dump from such a software. It´s for the lookalike and MUI-Setting of the folder not for a software.Some software like PortableApps use it for settings.
[.ShellClassInfo]
InfoTip=Contains portable app files and application data
IconFile=.\PortableApps.com\App\Graphics\WindowsFolderIcons\explore.ico
IconIndex=0
It's HashCheck Shell Extension, but don't recommend it to you since does not work with long paths. There is better software for that.what did you use to add a checksums tab to the properties window?
\System Volume Information\
\$Recycle.Bin\
\RECYCLER\
\RECYCLED\
*\desktop.ini
*\thumbs.db