What is qtplugin.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 qtplugin.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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Qtplugin.exe file information

Windows Task Manager with qtplugin
Qtplugin.exe process in Windows Task Manager

The process known as Default File appears to belong to software DefaultApp by Default Company.

Description: Qtplugin.exe is not essential for Windows and will often cause problems. Qtplugin.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 292,352 bytes (12% of all occurrences), 1,470,464 bytes and 20 more variants. 
The program starts upon Windows startup (see Registry key: MACHINE\Run, Run). It is not a Windows system file. There is no description of the program. The program is not visible. The file is an unknown file in the Windows folder. Qtplugin.exe is able to connect to the Internet and record keyboard and mouse inputs. Therefore the technical security rating is 77% dangerous; however you should also read the user reviews.

Recommended: Identify qtplugin.exe related errors

Important: Some malware also uses the file name qtplugin.exe, for example TROJ_GEN.R47C2IH or TROJ_GEN.R1BC2JS (detected by TrendMicro), and Backdoor.Win32.Spammy.bu or Trojan-Downloader.Win32.Piker.ea (detected by Kaspersky). Therefore, you should check the qtplugin.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

  Rene-gad   (further information)
It starts up on my computer each time I start it, with the title "sysreg", but I found out it's real name was qtplugin.exe
SUPERAntiSpyware detects it as rootkit, was located in C:\WINDOWS\SYSTEM32\QTPLUGIN.EXE
it might be a "Quick Time" component which is needed to view Apple's Quick Time files (like MS media player files).
  John Rambo   (further information)

Summary: Average user rating of qtplugin.exe: based on 4 votes with 4 user comments. One user thinks it's probably harmless. One user suspects danger. 2 users think qtplugin.exe is dangerous and recommend removing it. One user is not sure about it.

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Best practices for resolving qtplugin issues

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

qtplugin.exe [all]