If you don’t have a CD or DVD drive, you may be able to turn that ISO image into a bootable USB thumb drive.
Depending on the format of the drive, how the malware finds you, and how you access Windows, you may or may not have a problem! Does that sound vague enough for you?
Having a bootable version of an operating system like Ubuntu on a USB flash drive can be very handy for a variety of reasons. Since flash memory can wear out, however, it’s important that you back up.
Password-protecting a flash drive isn’t easy. Aside from purchasing a flashdrive with encryption built in, I’ll look at a couple of approaches using free software.