Unusual Occurance

[bumpy]

I ran a scan on my USB using Malwarebytes. It scanned one folder for an usually long period then Malwarebytes crashed. I'm attaching two screen prints as I'm not sure how to interpret this. Through it didn't detect any threats, I have a feeling there may still be one.

The folder Malwarebytes was scanning is "IC Recorder Audio Files" from a 32GB USB. Yet, when I opened a Properties window it shows the folder's size as 195GB. And, while Malwarebyes was scanning that folder, the filenames could not be read. They contained odd characters.

I'm not sure where this should be posted to get the assistance needed to interpret what is happening, but this is really weird.

What moved me to scan the USB was the write/copy attributes were changed without my input.