What is ntfs?
The genuine ntfs.sys file is a software component of Microsoft Windows by Microsoft.
Microsoft Windows is an operating system. New Technology File System is the default file manager of the Windows NT family. Ntfs.sys is a file associated with the NTFS system, and does not pose a threat to your PC.
New Technology File System was introduced with Windows NT 3.1 in July 1993, and is the default file system of the Windows NT family starting with Windows NT 3.1. It has been greatly improved over its predecessors such as FAT (File Allocation Table) and HPFS (High Performance File System), and is compatible with other operating systems as well including BSD and Linux, with just read-only support for Mac OS.
Headquartered in Redmond, Washington, the Microsoft Corporation is an American technology giant that specializes in computer electronics, computer software, personal computers and services. Additionally, the company is known for its Windows range of operating systems, Xbox video game consoles, Microsoft Surface range of tablets and acquisitions such as LinkedIn and Skype.
NTFS stands for New Technology File System
Ntfs.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc.
The free file information forum can help you determine if ntfs.sys is a Windows system file or if it belongs to an application that you can trust.
Run a free scan to check for ntfs drivers in need of updating
Ntfs.sys file information
The process known as NT File System Driver or NTFS-drivrutin belongs to software Microsoft Windows Operating System or Operativsystemet Microsoft Windows by Microsoft (www.microsoft.com).
Description: The original ntfs.sys is an important part of Windows and rarely causes problems. Ntfs.sys is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 10/11/7 are 574,976 bytes (75% of all occurrences), 1,682,272 bytes or 1,212,352 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The file is a Windows system file. The program is not visible. The file is a Microsoft signed file. The service has no detailed description.
ntfs.sys appears to be a compressed file.
Therefore the technical security rating is 0% dangerous; but you should also compare this rating with the user reviews.
Uninstalling this variant:
If you still experience problems with ntfs.sys, you can do the following:
1) uninstall the associated program (Start > Control Panel >
Uninstall a Program >
Microsoft Windows)
2) ask the developer,
Microsoft, for
assistance.
Recommended: Identify ntfs.sys related errors
Important: Some malware disguises itself as ntfs.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the ntfs.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Best practices for resolving ntfs issues
A clean and tidy computer is the key requirement for avoiding problems with ntfs. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the ntfs.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
nppbho.dll lookupsvi.exe svpwutil.exe ntfs.sys bdeuisrv.exe itbrain_agent.exe synhelper.exe id_service.exe ltc_help32-106010.dll xianzhideviceservice.exe vksts.exe [all]
Score
User Comments
Wizzkid007 (further information)
Rodrigo
Shifty
Anonymous
Tom (further information)
False Majority (further information)
Summary: Average user rating of ntfs.sys: based on 7 votes with 7 user comments. 6 users think ntfs.sys is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users don't grade ntfs.sys ("not sure about it").