Try this 1
Check whether the files are not in hidden mode. Follow the following steps.
Click on the below link and download the file "AutorunExterminator"
[Note : Make sure Dot Net Framework is installed in your PC to install the
Click on the below link and download the Dot Net Framework
Extract it --> Double-click on "AutorunExterminator" --> Plug your flash drive now.
This will remove the autorun.inf files from your flash drive and also from drives.
Click on "Start" --> In search bar, type cmd. Right-click on the command prompt
that appears in the search and select "Run as administrator".
"Command Prompt" will be opened.
Here I assume your flash drive as G:
Enter this command.
attrib -h -r -s /s /d g:\*.*
You can copy the above command --> Right-click in the Command Prompt and
: Replace the letter g with your flash drive letter.
Now check for your files in Flash Drive.
After that, download the Malwarebytes' Anti-Malware from the below link
Update it --> Perform "Full Scan"
Note : Default selected option is "Quick Scan".