So just upgraded to Sequoia 14.5, I noticed when wiping a usb drive, this was mounted and won't unmount?

I have the following enabled/installed...

All I have installed is Avira, Paragon NTFS for Mac, Firefox, Whatsapp, OpenOffice, GIMP, VLC? Surely it's none of them, as this would have surely appeared before with Sonoma?
Any ideas? Not a big deal, I can ignore it, but I would like to know why it's mounted/what it is...

I have the following enabled/installed...

All I have installed is Avira, Paragon NTFS for Mac, Firefox, Whatsapp, OpenOffice, GIMP, VLC? Surely it's none of them, as this would have surely appeared before with Sonoma?
Any ideas? Not a big deal, I can ignore it, but I would like to know why it's mounted/what it is...
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