Usb Drive Hidden Files

I have a Virus on my pc or in my Usb Drive that keep hding my files.

How I can fix this wih bitdefender. I tried USB Immunizer. I heared about"smadav" but I think isn't safe.

Please anyone can help

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Try to use rescue mode

The post is for Bitdefender 2012, but I'm fairly sure it looks a bit like Bitdefender 2016

Or Bitdefender Rescue CD