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What is vmnat.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 vmnat.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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Vmnat.exe file information

Windows Task Manager with vmnat
Vmnat.exe process in Windows Task Manager

The process known as VMware NAT Service belongs to software VMware Workstation or VMware Player or VMware Server by VMware (www.vmware.com).

Description: Vmnat.exe is not essential for the Windows OS and causes relatively few problems. Vmnat.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 135,168 bytes (52% of all occurrences), 139,337 bytes and 13 more variants. http://www.file.net/process/vmnat.exe.html 
The program is not visible. Vmnat.exe is not a Windows system file. The application can be uninstalled in the Control Panel. Therefore the technical security rating is 35% dangerous, however you should also read the user reviews.
If problems with vmnat.exe come up, you may want to do the following:

Recommended: Identify vmnat.exe related errors

If vmnat.exe is located in a subfolder of C:\Windows, the security rating is 32% dangerous. The file size is 135,168 bytes (42% of all occurrences), 437,328 bytes, 399,920 bytes, 142,128 bytes or 395,824 bytes. The program has no visible window. It is not a Windows core file. Vmnat.exe is a Verisign signed file. Vmnat.exe is digitally signed.

If vmnat.exe is located in the C:\Windows folder, the security rating is 96% dangerous. The file size is 48,640 bytes. The software has no file description. Vmnat.exe is located in the Windows folder, but it is not a Windows core file. The program is not visible. The software starts upon Windows startup (see Registry key: MACHINE\Run). The program uses ports to connect to or from a LAN or the Internet. The vmnat.exe file is not a Windows core file. Vmnat.exe is able to monitor applications.

Important: Some malware camouflages itself as vmnat.exe, for example Backdoor.Win32.SdBot.nhv (detected by Kaspersky), and Worm:Win32/Pushbot.gen (detected by Microsoft). Therefore, you should check the vmnat.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.

Score

User Comments

Part of VMware network drivers (pc emulation software)
  Andre   (further information)
Das ist ein Teil von VMware Workstation.
  Vampire   (further information)
It's driver for VMWare NAT
  Ivan  
Component of VMware network drivers
  Kender   (further information)
run exe file
  omid  
teil von VM-Ware
  oyo  
it is VMWARE Player
  couleurastas   (further information)

Rating chart

Summary: Average user rating of vmnat.exe: based on 9 votes with 7 user comments. 7 users think vmnat.exe is essential for Windows or an installed application. 2 users think it's probably harmless.


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Best practices for resolving vmnat issues

A clean and tidy computer is the key requirement for avoiding problems with vmnat. 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 doing a repair of your installation, or in the case of Windows 8, 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 vmnat.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.



Other processes

vmnat.exe [all]