What is spysub.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 spysub.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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Spysub.exe file information

The process known as SpySubtract Program EXE belongs to software SpySubtract by InterMute (

Description: Spysub.exe is not essential for the Windows OS and causes relatively few problems. The spysub.exe file is located in a subfolder of "C:\Program Files" (typically C:\Program Files\interMute\SpySubtract\). Known file sizes on Windows 10/8/7/XP are 1,187,840 bytes (53% of all occurrences), 1,183,744 bytes, 983,040 bytes, 1,171,456 bytes or 1,191,936 bytes. 
There is an icon for this program on the taskbar next to the clock. The program has a visible window. The file is not a Windows core file. The software can be uninstalled in the Control Panel. Spysub.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 15% dangerous, however you should also read the user reviews.

Uninstalling this variant: It is possible to completely remove SpySubtract (Control Panel ⇒ Uninstall a Program).

Recommended: Identify spysub.exe related errors

External information from Paul Collins:

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

great anti-spyware software
  Paul English   (further information)
SpySubtract is a great program if you want to stop spyware infecting ur pc when surfing the web, however hogs some ram so disable in system tray to improve game performance
  Jimmy B  
Hogs RAM, but is a very good program.

Summary: Average user rating of spysub.exe: based on 3 votes with 3 user comments. 2 users think spysub.exe is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving spysub issues

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

spysub.exe [all]