1) Click on the below link and download the file "AutorunExterminator"

http://en.kioskea.net/download/download-11613-autorun-exterminator

Extract it --> Double-click on "AutorunExterminator" --> Plug your pendrive now.

This will remove the autorun.inf files from drives and plug your pen drive to

remove the autorun.inf file from it also.

[Note : Make sure Dot Net Framework is installed in your PC.

OR

Click on the below link and download the Dot Net Framework.

http://www.microsoft.com/...]

2) Click on "Start" -->Run --> type cmd and press Enter.

Here I assume your pendrive drive letter 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

paste it.

Note : Replace the letter g with your pen drive letter.

Now check for your files.

3) After that, download the Malwarebytes' Anti-Malware from the below link

http://en.kioskea.net/download/download-105-malwarebytes-anti-malware

Update it --> Perform "Full Scan"

Note : Default selected option is "Quick Scan".