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Virus in USB flash drives

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Unread 07-05-2013, 08:41 AM   #1
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Exclamation Virus in USB flash drives

All of my USB pen drives and external hard drive appear to be infected with a virus. All of the folders become hidden and in their place shortcuts appear. Even after using the attrib command in command prompt and deleting the shortcuts, they appear again.

I've noticed a hidden folder with the name of "575" and a folder with the name of "9f9" get created in the drives. Both the folders appear to contain two javascript files each.

I ran the Sophos Virus Removal Tool and it detected and cleaned two threats, but the folders are still there.

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Unread 07-05-2013, 11:21 AM   #2
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Re: Virus in USB flash drives

Copy the important data and try to format the USB flash drive.
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Unread 07-05-2013, 11:25 AM   #3
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Re: Virus in USB flash drives

I already did that. But the folders just return after formatting, and the folders that I copy to the pen drive become shortcuts again.
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Unread 07-05-2013, 11:28 AM   #4
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Re: Virus in USB flash drives

I think issue may be in your system, connect the flash drive in another one machine and do the format.
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Unread 07-05-2013, 11:30 AM   #5
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Re: Virus in USB flash drives

How do I get rid of the virus from the system then? Because both my laptop and my desktop seem to be infected.
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Unread 07-05-2013, 11:35 AM   #6
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Re: Virus in USB flash drives

May I know which AV tool is installed in your machines?
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Unread 07-05-2013, 11:38 AM   #7
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Re: Virus in USB flash drives

Currently there's a low voltage problem so the desktop isn't switching on, but I'd recently uninstalled the AV in it and ran Malwarebytes on it to remove some trojans.

Right now I'm using my laptop, and Norton is installed.
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Unread 07-05-2013, 11:41 AM   #8
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Re: Virus in USB flash drives

I am using Avesta, I don't have much idea about Norton. Is it your AV and OS updated one?

Try to do the full scan using Norton Anti virus software and check it out.
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Unread 07-05-2013, 11:46 AM   #9
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Re: Virus in USB flash drives

Yes, they are up-to-date.

I did run a couple of full scans, and it only removed two tracking cookies. I even scanned the drive separately, but the results showed no threats.
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Unread 07-05-2013, 01:33 PM   #10
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Re: Virus in USB flash drives

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These things can be very tricky. Some antivirus software see the files as corrupted, some don't. Anyway, be very careful with them.

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