What is netFilterService.exe?

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 netFilterService.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.

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NetFilterService.exe file information

Windows Task Manager with netFilterService
NetFilterService.exe process in Windows Task Manager

The process known as netFilterService belongs to software netFilterService or HTTP Analyzer Std by Anqing Inspector Software.

Description: NetFilterService.exe is not essential for the Windows OS and causes relatively few problems. NetFilterService.exe is located in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 352,768 bytes (50% of all occurrences) or 364,544 bytes. 
NetFilterService.exe is a file with no information about its developer. It is an unknown file in the Windows folder. The program has no visible window. It is not a Windows system file. Therefore the technical security rating is 64% dangerous.

Recommended: Identify netFilterService.exe related errors

If netFilterService.exe is located in a subfolder of "C:\Program Files", the security rating is 56% dangerous. The file size is 443,904 bytes. There is no information about the author of the file. The program has no visible window. NetFilterService.exe is not a Windows core file. NetFilterService.exe is able to monitor applications.

Uninstalling this variant: If you have any problems with netFilterService.exe, you may also do the following:
  1) completely remove HTTP Analyzer Std (Control Panel ⇒ Uninstall a Program)
  2) visit the vendor’s support site
  3) update the program.

Important: Some malware camouflages itself as netFilterService.exe. Therefore, you should check the netFilterService.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.


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Best practices for resolving netFilterService issues

A clean and tidy computer is the key requirement for avoiding problems with netFilterService. 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, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the netFilterService.exe 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

netFilterService.exe [all]