Autorun is a virus which is usually found in the CDs, DVDs, and USB drives. Each time you plug in any of this device, it automatically executes and infects your PC with various type of viruses. A file named autorun.inf is being created in the root folder of these devices, so the Windows executes it when you plug it in and thus executes the commands to infect files on your PC.
An Antivirus software on your PC cannot stop this virus because it detects the autorun file as a standard file. So, to prevent autorun virus from infecting your PC, you should disable the autorun function of your Windows OS. This way, the OS will not execute the autorun file, and thus no commands will be implemented.
By using some freeware utilities available on the Internet, you can easily disable the autorun function of Windows. This type of services are free and provides you an easy to use interface that any new user can get familiar with it. One of the utility is Windows 7 Autorun Disabler.
Windows 7 Autorun Disabler is a free service created for the Windows 7 users to disable the autorun function to prevent your PC from being affected by the viruses. This utility is a portable utility, so you don’t have to install it. Just run the executable file and the program will start working immediately.
Download the file using the link given below and extract the files from it. Then open the executable (.exe) file. You will be presented with a window with some options. By default, the first option named is checked, as it is the option to enable the autorun on your OS. Below, you’ll find the options which we are looking for. Since the Autorun file can be from any source, it is advisable to check the box which corresponds Disable Autorun on all drives. It will disable the autorun function on all the drives, including DVD drive and USB drive. If you ever need to enable the autorun function, just open the utility again and check the first box Enable Autorun function on Windows 7. It will re-enable the function on your system just like before.
Download: Windows 7 Autorun Disabler
That is the easiest way to prevent the Autorun virus and should be taken as soon as possible to have a virus free experience on the PC.