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2025-03-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article mainly introduces the meaning of U disk virus, has a certain reference value, friends who need can refer to it. I hope you will learn a lot after reading this article. Next, let the editor take you to learn about it.
U disk virus attacks computers and their systems and networks through three ways: hiding, copying and spreading. U disk virus is a virus transmitted through U disk, it not only exists on U disk, but also has U disk virus under every partition of poisoned computer.
Introduction:
U disk virus attacks computers and their systems and networks through three ways: hiding, copying and spreading. U disk virus is a virus transmitted through U disk, it not only exists on U disk, but also has U disk virus under every partition of poisoned computer.
Detailed introduction:
U disk virus, as its name implies, is a virus transmitted through U disk. Since the discovery of U disk autorun.inf vulnerabilities, the number of U disk viruses is increasing day by day. U disk virus does not only exist on U disk, there are also U disk virus under every partition of poisoned computer, computer and U disk cross-spread.
U disk virus attacks computers and their systems and networks by hiding, replicating and spreading.
(1) hide
There are many ways to hide USB disk viruses: ① is hidden as a system file. In general, system files are invisible, so this achieves the effect of hiding; ② is disguised as other files. Because the general computer user will not display the suffix of the file, or the file name is too long to see the suffix, some virus programs change their own icon to the icon of other files, resulting in the user opening it incorrectly; ③ is hidden in the system folder. These system folders are often confusing; ④ uses Windows vulnerabilities. Some viruses hide the folder name is runauto..., this folder can not be opened, the system indicates that there is no path, in fact, the real name of this folder is runauto...\
(2) copy
U disk virus has ferry technology, that is, files with specified keywords in the system are copied to a flash drive, and when the flash drive is inserted into a computer with Internet access conditions, the USB disk virus will transfer the copied files to the designated mailbox or Trojan virus control terminal.
(3) Communication
When the hidden or poisoned flash drive is inserted into a computer without any virus, and when the user double-clicks to open the flash drive file to browse, Windows will run the virus program in the flash drive with the settings in the autorun.inf file by default, and the Windows operating system will be infected.
Thank you for reading this article carefully. I hope it will be helpful for everyone to share the meaning of U disk virus. At the same time, I also hope you can support us, pay attention to the industry information channel, and find out if you have any problems. detailed solutions are waiting for you to learn!
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