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Why should disable autorun feature for USB drives?

As the autorun feature of USB drive, viruses can easily infect computer via USB key, flash disk, etc. Autorun.inf file is located in the root directory of the removable drive and contains a reference to the programs, which can be run automatically as soon as the drive is opened on the computer.

When a USB flash drive is inserted in a computer infected with such malware, they copy a malicious executable file in the USB drive and also modify the autorun.inf file with a reference to execute the malicious file. When this virus infected USB is taken to another clean computer, the autorun.inf file cause automatic execution of the worm file and this new computer also gets infected.

The most effective method of preventing your system from getting infected is to disable autorun feature of USB devices. There are manual and automatic method of disalbing USB autorun below.

How to disable USB autorun manually with Registry Editor

Note: Turn off USB autorun manually is not safe for most people, we highly recommended using the automatic method.

  1. Go the Start button and select Run, type REGEDIT and click OK
  2. Go to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion \Policies\Explorer
  3. Double-click on the "NoDriveTypeAutoRun" key
  4. Change Hexidecimal value data to FF to completely disable autoplay. Alternately you can choose combinations of values from the following table to customize how autoplay works.
  5. Hit the OK button and the change will take effect after reboot.

Value Meaning
0x1 Disables Autorun on drives of unknown type.
0x4 Disables Autorun on removable drives.
0x8 Disables Autorun on fixed drives.
0x10 Disables Autorun on network drives.
0x20 Disables Autorun on CD-ROM drives.
0x40 Disables Autorun on RAM disks.
0x80 Disables Autorun on drives of unknown type.
0xFF Disables Autorun on all types of drives.

Stop autorun for USB easily and immune USB drives

USB Virus Scan is an antivirus tool to remove and block autorun virus, with it, you can deactivate autorun USB easily. Download and execute USB Virus Scan, click Immunity tab, check the 'Disable Autoplay for removable drives' option and click Applly.
Also you can immune any of your USB drives, USB flash keys, the vaccine permanently create an innocuous AUTORUN.INF folder, preventing it from being read, created, deleted or modified. So that the viruses or worms could not create Autorun.inf files on your USB drive to automatically execute.

Get more information about USB Virus Scan antivirus.


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