What is Pop3Trap.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 Pop3Trap.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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Pop3Trap.exe file information

Windows Task Manager with Pop3Trap
Pop3Trap.exe process in Windows Task Manager

The process known as POP3Trap or Pop3trap belongs to software Trend Micro Security Services or Trend Pc-cillin or Trend Micro OfficeScan Client or Trend Micro Client/Server Security Agent by Trend Micro (

Description: Pop3Trap.exe is not essential for the Windows OS and causes relatively few problems. Pop3Trap.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 557,126 bytes (56% of all occurrences), 565,318 bytes, 315,458 bytes, 294,982 bytes or 561,222 bytes. 
The program is not visible. Pop3Trap.exe is not a Windows core file. The program listens for or sends data on open ports to a LAN or the Internet. Pop3Trap.exe is able to connect to the Internet and record keyboard and mouse inputs. Therefore the technical security rating is 60% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of any problems with Pop3Trap.exe, you may also want to completely remove Trend Micro OfficeScan Client or PC-cillin 2000 (Control Panel ⇒ Uninstall a Program).

Recommended: Identify Pop3Trap.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as Pop3Trap.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the Pop3Trap.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

Trend Micro Office Scan POP3 W├Ąchter
  T-Virus   (further information)
POP3 E-mail Virus Protection
  James Addyman   (further information)
PC-Cillin File
failed to halt Internet connections

Rating chart

Summary: Average user rating of Pop3Trap.exe: based on 11 votes with 4 user comments. 9 users think Pop3Trap.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving Pop3Trap issues

A clean and tidy computer is the key requirement for avoiding problems with Pop3Trap. 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 Pop3Trap.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

Pop3Trap.exe [all]