What is snmptrap.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 snmptrap.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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Snmptrap.exe file information

Windows Task Manager with snmptrap
Snmptrap.exe process in Windows Task Manager

The process known as SNMP Trap or SNMP Trap Service belongs to software Microsoft Windows Operating System by Microsoft (

Description: The original snmptrap.exe is an important part of Windows and rarely causes problems. The file snmptrap.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 12,800 bytes (63% of all occurrences) or 8,704 bytes. 
The program is not visible. The file is a Microsoft signed file. The process uses ports to connect to or from a LAN or the Internet. The snmptrap.exe file is a Windows system file. Therefore the technical security rating is 9% dangerous; however you should also read the user reviews.

Recommended: Identify snmptrap.exe related errors

If snmptrap.exe is located in a subfolder of the user's profile folder, the security rating is 100% dangerous. The file size is 129,024 bytes. There is no file information. The program has no visible window. The software listens for or sends data on open ports to a LAN or the Internet. Snmptrap.exe is not a Windows system file.

Important: Some malware disguises itself as snmptrap.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the snmptrap.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.


User Comments

I'm a little iffy about this file. It sounds fishy and Microsoft says it for catching ip addresses between computers within self contained networks ; sort a like how the computers talk to each other in the office or home.
snmptrap.exe is used by Windows applications to trap snmp messages when communicating with network devices using SNMP (Simple Network Management Protocol). SNMP is used to perform remote administration of network hardware such as Routers and Hubs.

Summary: Average user rating of snmptrap.exe: based on 2 votes with 2 user comments. One user thinks snmptrap.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous.

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Best practices for resolving snmptrap issues

A clean and tidy computer is the key requirement for avoiding problems with snmptrap. 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 snmptrap.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

snmptrap.exe [all]