Hi, i have a problem on all my folders in my thumb drive auto changing from folder type to application type even a newly recreated folder will auto change its attruibute to hidden and create a .exe file of itself which link to the folder.

I tried scaning  it and is not having any virus detected also.

I changed to another thumb drive is also having this problem but my hard disk is ok. May i know what is happening and how to resolve the issue.