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This type of virus places all files on your USB into a hidden folder and replaces them with shortcuts of their original names. You can usually tell you have a shortcut virus if you see small arrows over the file or folder icons. If you double-click any of these shortcuts, the virus will activate and spread to your PC.. If you're using Windows 10, try using the Using Windows Security (Windows 10) method first. If you're using Windows 8.1 or earlier, try the Using Microsoft Safety Scanner (Windows 8.1 and Earlier) method first. It's possible that Windows' own built-in antivirus software can fix the problem for you. If you're prompted to view the files on the drive or change your USB settings, just close the window for now. You'll need to know the drive letter of your USB drive (e.g., F: or D:) to remove the files. If you're not sure what it is, press the Windows key and the E key on the keyboard to open File Explorer, and then scroll down on the left panel to find your flash drive and corresponding drive letter. You may have to click an arrow or plus symbol next to "This PC" or "Computer" to see the drive. A list of results will appear. A menu will expand. This opens an administrator-level command prompt. You may be prompted to verify your password to open up the window. Be sure to include the colon (:) after the letter. For example, if your USB drive is the F drive, type F: and press the Enter key. To do this, type del *.lnk and hit the Enter key. To do this, type attrib -s -r -h /s /d *.* and press the Enter key. If your drive was infected by a shortcut virus, this should restore your files to their original locations safely. To see a list of files on the drive, type dir /s and press the Enter key.
Understand the shortcut virus. Plug the USB flash drive into your Windows PC. Press Win+S to open the Search bar. Type command prompt. Right-click Command prompt in the search results. Click Run as administrator. Type your USB drive letter and press Enter. Run the command to delete all shortcuts. Run the command to restore your hidden files.