What is QOELoader.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 QOELoader.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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QOELoader.exe file information

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

The process known as QOELoader Application belongs to software CA Internet Security Suite or QOELoader Application or CA eTrust Internet Security or CA Desktop DNA Migrator by CA ( or Qurb ( or Computer Associates (

Description: QOELoader.exe is not essential for the Windows OS and causes relatively few problems. QOELoader.exe is located in a subfolder of "C:\Program Files"—e.g. C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Anti-Spam\QSP-\. Known file sizes on Windows 10/8/7/XP are 14,088 bytes (73% of all occurrences), 6,656 bytes, 7,168 bytes or 14,064 bytes. 
It is not a Windows system file. The program is not visible. It can change the behavior of other programs or manipulate other programs. The program is loaded during the Windows boot process (see Registry key: MACHINE\Run, User Shell Folders, Run). There is no file information. The file is a Verisign signed file. The file is digitally signed. QOELoader.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 63% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can also do the following:
  1) remove the entire program CA Internet Security Suite or Qurb using Windows Control Panel
  2) visit the vendor’s support site [1][2]
  3) look for a new, improved version [1][2].

Recommended: Identify QOELoader.exe related errors

External information from Paul Collins:

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

CA Etrust Firewall Component
This is the qurb spam filter file. It runs in background harmlessly until you use email program. not a risk
not a threat, essential for QURB
  edwin smits  
Part of Qurb Spam filter - best spam filter nowadays...not dangerous...recommended
Part of the Qurb Anti Spam program
  Charles Ward   (further information)
Qoeloader.exe is a process belonging to Qurb AntiSpam, an anti=spam application for Outlook Express
  dan   (further information)
This is an essential part of the CA Etrust Firewall. It is safe unless, like any exe, it has been emulated by a virus or trojan. Be sure to check for duplicate entries.
If it is a part of EZ Trust Firewall it's no problem with me. Just unneeded at the moment.
we keep getting it when we turn on computer. It say we should download application again. How do we reistall it.
  Connie Smith  
Excellent Spam filter for MS Outlook client
  stxcep   (further information)
Part of CA Security Center one of the best available
part of spam filter
QUELoader.exe is with E Trust Internet Security if any more questions email me at
its a part of ca

Rating chart

Summary: Average user rating of QOELoader.exe: based on 18 votes with 14 user comments. 15 users think QOELoader.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 2 users think it's neither essential nor dangerous. 2 users don't grade QOELoader.exe ("not sure about it").

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Best practices for resolving QOELoader issues

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

QOELoader.exe [all]