I noticed something weird today. I left my USB drive (SANDISK) on my desktop computer. When I unplug the USB after a few days, I noticed that the USB drive is warm. (I didn't turn the computer on at all)
I thought that it was just my feeling, so I tried it several times by plugging it in and unplug it out after a few minutes, and it really feels warm. I also tried with several different USBs. 2 other USB drives (another SANDISK and other brand), they also get warm. However my other USB drive (Silicon Power) doesn't get warm.
I have a concern whether my motherboard or USB drive has been compromised or have some malware on it. The motherboard I'm using is Biostar
Is it normal? Or am I just being too paranoid?