What is KeyScrambler.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 KeyScrambler.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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KeyScrambler.exe file information

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

The process known as KeyScrambler belongs to software KeyScrambler by QFX Software (

Description: KeyScrambler.exe is not essential for the Windows OS and causes relatively few problems. KeyScrambler.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 515,600 bytes (16% of all occurrences), 509,216 bytes and 22 more variants. 
KeyScrambler.exe is certified by a trustworthy company. It is not a Windows system file. The program is not visible. Therefore the technical security rating is 35% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with KeyScrambler.exe, you can also do the following:

Recommended: Identify KeyScrambler.exe related errors

If KeyScrambler.exe is located in a subfolder of the user's profile folder, the security rating is 72% dangerous. The file size is 515,600 bytes. The program has no visible window. The file has a digital signature. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run). It is not a Windows system file.

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

KeyScrambler encrypts your keystrokes deep in the kernel, foiling keylogging attacks with scrambled, undecipherable data.
  M. Moreno   (further information)
anti key logging program which defends windows prevents remote hackers from collecting your keystrokes. Protects your secrets from keyloggers & keylogging malware attacking your computer.
  Craig Bird   (further information)

Summary: Average user rating of KeyScrambler.exe: based on 3 votes with 2 user comments. 2 users think KeyScrambler.exe is essential for Windows or an installed application. One user suspects danger.

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Best practices for resolving KeyScrambler issues

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

KeyScrambler.exe [all]