Huge Gobbledygook Files in my Flash Drives

[Bill0000]

I have five huge files, each over one Gig, in my flash drive. No suffix (like .doc, .exe), just "FILE" with the name 3590F75ABA9E485486C100C1A9D4FF06PHQGHUMEAYLNLFDX with slight variations.  I cannot open them with anything.  Are these gobbledygook files left behind by CCleaner drive wiper? And if so, can I just erase them? Or should I leave them intact?  My flash drive is almost full!

 

Thanks for any help.

[Andavari]

Here's a search for the file name you posted:
https://duckduckgo.com/?q=3590F75ABA9E485486C100C1A9D4FF06PHQGHUMEAYLNLFDX

Possibly created by a program, possibly malware related, who knows. Personally I'd just delete them (or format the flash drive) and do a full virus scan of the whole computer and that flash drive.

Edit:
Do note that flash drives are susceptible to getting corruption on them, and if that happens weird looking file names can be left behind.