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How do I get rid of “U3 System” on my USB drive?

SanDisk Cruzer come with a "U3" malware built into them. Its intended for windows, but on Ubuntu it shows up as a "U3 System" CD on the desktop and as /dev/scd1 -> sr1

My question - How do I permanently delete this from the device without windows?

I'm aware of the windows program, but I don't have access to any, and in any event, I wouldn't want to insert the stick into a windows box because it automatically installs its malware to any windows box comes into contact with!

A friend of mine realized you could delete the cdrom via

sudo echo "1" > /sys/class/block/srXXX/device/delete

But it will come back if you reboot.