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If you suspect any threat, use a console file manager like Far that doesn't display and retrieve icons. Be careful while downloading and viewing files. So, there is no mitigation for this vulnerability as of this writing. The use of this technique relies on social engineering and as always we encourage our customers to practice good computing habits online, including exercising caution when opening unknown files, or accepting file transfers. We are aware of this issue and will provide an update in a future release. The Verge has contacted Microsoft, and the company's spokesperson has ensured that they are already working on a fix for this issue.

The researcher said that a crafted HTML page that embeds resources from a network share will do the same.įinally, users have figured that it is enough to paste the above ':$i30' string into the browser address bar. Similarly, it can be placed in an ISO, VHD or VHDX file. If such a file is included in a ZIP archive, that ZIP archive will trigger the vulnerability every single time it is extracted. All you need to do is to view it in File Explorer. Once File Explorer attempts to display such an "icon", the drive will instantly become corrupted. A specially prepared Internet shortcut file (.url) that had its icon location set to C:\:$i30:$bitmap will trigger the vulnerability even if the user never opened the file. It is not only the above command that causes the issue. It can be triggered by a variety of methods On reboot, the Windows CheckDisk app will start and fix the file system. Windows 10 will prompt the user to restart the computer in order to repair the corrupted drive.

After you hit Enter, an error message will appear stating "The file or directory is corrupted and unreadable." The above command can corrupt any drive, not only the C: drive. So, I'll leave it to the people with the source code,' 'I have no idea why it corrupts stuff and it would be a lot of work to find out because the reg key that should BSOD on corruption does not work. In some cases, the NTFS Index can also include deleted files and folders. That NTFS Index Attribute is an attribute associated with directories that contains a list of a directory's files and subfolders. The key thing here is the $i30 NTFS index attribute. The file system will be damaged, and you may lose all your data. Warning: Do not test this command on any of your devices containing important data. A simple command, even when executed by a low privileged user, corrupts an NTFS-formatted hard drive, with Windows prompting the user to restart their computer to repair the corrupted disk records. The fix is being worked upon How it works