Teach you to easily resist the spread of U disk virus in windows7 (1)

        The floppy disk has become a dusty history, and it is really rare for a computer user who has not used a USB flash drive. U disk has become a mainstream mobile storage medium with its increasingly compact size, rapidly expanding capacity, and cheaper and cheaper alternatives to floppy disks. With the popularity of mobile storage devices such as USB flash drives, mobile hard drives, and memory cards, the U disk virus has already become a disaster. Inadvertently, a virus or malicious program has infected your computer. What is

U disk virus? U disk virus by definition is spread by a virus U disk, can produce AutoRun.inf spread of the virus, can be called a U disk virus (also known as Autorun virus). Then, at this stage, it is impossible to eliminate the use of U disk, how to reduce the probability of poisoning? At this time, it is particularly important to master certain U disk virus protection measures and solutions. What should I do? Is it always possible to passively use anti-virus software to defend against it? Like car security technology, Windows7 provides active defense technology in addition to passive defense - limiting the running of programs on mobile storage.

To activate this feature is also very easy to use, directly run gpedit.msc, open the "Local Group Policy Editor", find "computer configuration", and then expand find the "Administrative Templates", then open the "System" Find and click on "Removable Storage Access." All configurable removable storage access related policies are displayed on the right.

U disk belonging to a removable disk, so we'll look at how to set the removable disk access policy.

self WindowsVista start, the system would be able to limit the removable disk read and write, we should have this no stranger. Moreover, simply limiting the reading and writing of the USB flash drive does not meet our needs. Can not read naturally will not be infected with the virus, but also lost the meaning of the U disk. Failure to write prevents information from being outflowed, but does not prevent virus intrusion.

we need is a new feature Windows7 start from the offer, refused to execute permissions.

click on the policy, select the "Enabled" to open the policy. Enabling this policy setting will deny execute permission on the removable storage class. Execution permissions for this removable storage class are allowed if this policy setting is disabled or not configured.

After setting the policy, we have to run the program on the U disk and see. The system does not allow direct operation gives hints:

Do not look a bit like this prompted with UAC, but can not be executed by changing the operating account. Unless the policy is changed to allow execution permissions.