The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the DfrgNtfs.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.
The process known as Disk Defragmenter NTFS Module belongs to software Windows Disk Defragmenter or Diskeeper™ Disk Defragmenter by Microsoft Corp. and Executive Software International (www.microsoft.com) or Diskeeper (www.diskeeper.com) or Executive Software International (www.executive.com).
Description: The original DfrgNtfs.exe is an important part of Windows and rarely causes problems. DfrgNtfs.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 105,472 bytes (42% of all occurrences), 104,960 bytes, 163,840 bytes, 159,232 bytes or 105,984 bytes.
DfrgNtfs.exe is a Windows core system file. The program has no visible window. It is a trustworthy file from Microsoft. Therefore the technical security rating is 4% dangerous; however you should also read the user reviews.
Recommended: Identify DfrgNtfs.exe related errors
If DfrgNtfs.exe is located in a subfolder of "C:\Program Files", the security rating is 27% dangerous. The file size is 585,728 bytes (40% of all occurrences), 405,596 bytes or 237,662 bytes. The program is not visible. You can uninstall this program in the Control Panel. The file is not a Windows core file. DfrgNtfs.exe is able to hide itself.
Important: Some malware disguises itself as DfrgNtfs.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the DfrgNtfs.exe 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.
A clean and tidy computer is the key requirement for avoiding problems with DfrgNtfs. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the DfrgNtfs.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.