Virus from USB-stick

By lopdog · 6 replies
Jan 12, 2008
  1. Hi!
    I have a problem with virus from USB-sticks on my Laptop
    My friends often connect their (virus infected) USB-sticks to my Laptop to share files, and I get a lot of virus even though I'm using NOD32 (updated). I don't even open any folders on their device, I only rightclick on the file from my computer and selects "send to-Removable drive".
    Is there anything I could do to reduce the risk of getting infected?
  2. jobeard

    jobeard TS Ambassador Posts: 11,170   +989

    yea --- tell your friends to "TAKE A HIKE!"

    Infections via USB are just like the old floppy disks; just insert and infect!

    You might be able to diable AUTORUN, but not sure that would be sufficient.
  3. lopdog

    lopdog TS Maniac Topic Starter Posts: 295

    That would probably be the best solution, and if can´t come up with something better I´ll never connect an unknown USB to my computer. But I once had a small program that would ask for permission before it let´s any program run from the USB-stick, almost like a Firewall. Does anyone know about this, or was it only a strange dream I had?
  4. lopdog

    lopdog TS Maniac Topic Starter Posts: 295

    Would it be safer to connect an unknown USB-stick if I create a "Guest" account? I suppose that would set the user rights to a minimum, and therefore reduce the risk of infection?
  5. jobeard

    jobeard TS Ambassador Posts: 11,170   +989

    that might work as intended -- the issue is running the mount under the existing
    logged-in user.

    I think you will find that you can mount the device without ANYONE logged onto the system :(

    btw: you should ALWAYS and ONLY run from an LUA account unless you are performing maintenance, eg ms-updates!
  6. lopdog

    lopdog TS Maniac Topic Starter Posts: 295

    I´ll give it a try.

    btw: can I convert my existing Administrator account into a normal user account? (what does LUA account mean?)
  7. jobeard

    jobeard TS Ambassador Posts: 11,170   +989

    define: LUA. Limited User Access. Such accounts can not (directly) install
    software or modify configuration files.

    The account "Administrator" is special for booting Safe Mode.

    Any other account name with Admin privileges can be converted to LUA.

    Personally, I recommend cp->User Accounts->create new user
    and set Full Admin rights on it and set a new password
    Switch users to it and let it configure --

    While on the new account, use CP->User Accounts->Change Account Type
    and modify your OLD account to LUA.

    The one known problem running under LUA is Quickbooks/Quicken.
    The brain-dead install programer allowed the user files to be placed into the
    same directory as the program (eg \Program Files\Quicken ) which is a protected area.
    The XP way to store user files is under the users profile
    \Documents & Settings\your-login-id\

    ALSO change the Way Users Login to present the welcome screen.

    NO account should be allowed w/o a password.

    The circumvention for installing software:
    right-click an installer (eg xxx.msi setup.exe) and pull
    down to Run As ... You get a prompt for user/password and away you go.
    This works 99% of the time, except for installing MS Updates where you need
    to Switch Users.​

    The object of running under an LUA is to insure that *IF* you get some trojan/virus,
    it will also run under the LUA status and thus not be able to modify the system.
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