If it's a virus, it's properly written to work on windows.
Download DSL. (Damn small linux), burn it to a disk or make a USB bootable and run it without installing it. (when the disk boots it will ask you if you want to install it our run it without installation)
When you are in DSL you can open up USB and do whatever with it. copy all the important data to another device, remove the ".ink" in their name and then format the USB.
---------- Post added at 12:47 AM ---------- Previous post was at 12:46 AM ----------
you can download it here
Damn Small Linux, Download the ISO