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All my files on my USB have been turned into .exe files


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#1 gad1982

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Posted 08 May 2010 - 09:00 AM

On Friday, I inserted my USB stick into my laptop and found that I couldn't access the files on it. I tried it on a friend's computer and he found that all the files on the USB stick had been infected and turned into .exe files. To date, I have not had any protection installed onto my computer so I installed Spybot and Malwarebytes. Initially, I tried to install Avast but every time I went to their website the browser would shut down. Eventually, after scans with Spybot and Malwarebytes it found several infections, including a Brontok worm, and I was able to install Avast. I then used Avast to scan my USB stick and it found the same problem - all the files have been turned into .exe files.

At this point, I can't see any of my folders on my USB stick even though I've set Windows to show hidden files and folders. The Properties of the USB stick indicate that space is being taken up on the USB stick so the data is still there and as I mentioned before Avast shows that there are still files on the USB stick. I tried repairing them with Avast but it doesn't seem to work.

So what do you suggest I do? Can I restore the files in any way or is formatting the USB stick my only option?

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#2 boopme

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Posted 08 May 2010 - 11:25 PM

Hello,let's try cleaning that drive.
Please download Flash_Disinfector.exe by sUBs and save it to your desktop.
  • Double-click Flash_Disinfector.exe to run it and follow any prompts that may appear.
  • The utility may ask you to insert your flash drive and/or other removable drives. Please do so and allow the utility to clean up those drives as well.
  • Hold down the Shift key when inserting the drive until Windows detects it to keep autorun.inf from executing if it is present.
  • Wait until it has finished scanning and then exit the program.
  • Reboot your computer when done.
Note: As part of its routine, Flash_Disinfector will create a hidden folder named autorun.inf in each partition and every USB drive that was plugged in when you ran it. Do not delete this folder...it will help protect your drives from future infection by keeping the autorun file from being installed on the root drive and running other malicious files.
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#3 gad1982

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Posted 09 May 2010 - 07:07 AM

Sorry boopme but I have followed your instructions and same problems are still occuring - can't see my folders on my USB but the properties indicate that space is being taken up while Avast says that it's detecting all my files as infections and are listed as .exe files.

Would selecting the "Move files to chest" option when Avast lists the threats detected do anything?

#4 boopme

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Posted 09 May 2010 - 08:51 PM

Yes it's a possibility. We may have to reformat if not.
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