What is suss.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 suss.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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Suss.exe file information

Windows Task Manager with suss
Suss.exe process in Windows Task Manager

The process known as SU server or suss belongs to software Microsoft® Windows (version 2000 Operating System) or Microsoft® Windows NT™ Operating System by Microsoft (

Description: Suss.exe is not essential for Windows and will often cause problems. Suss.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 17,168 bytes (53% of all occurrences) or 12,048 bytes. 
The program has no visible window. The suss.exe file is not a Windows core file. The suss.exe file is an unknown file in the Windows folder. Therefore the technical security rating is 49% dangerous, however you should also read the user reviews.

Recommended: Identify suss.exe related errors

If suss.exe is located in the C:\Windows folder, the security rating is 50% dangerous. The file size is 29,696 bytes. The program has no visible window. Suss.exe is an unknown file in the Windows folder. The suss.exe file is not a Windows core file.

If suss.exe is located in a subfolder of the user's profile folder, the security rating is 100% dangerous. The file size is 20,480 bytes. There is no description of the program. The program has no visible window. Some people think it is dangerous. The file is not a Windows core file. Suss.exe is able to monitor applications.

Important: Some malware also uses the file name suss.exe, for example TROJ_GEN.R047C0DF415 (detected by TrendMicro), and Trojan.Gen.2 (detected by Symantec). Therefore, you should check the suss.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

If you installed it, and knows why it is there, it is safe. Otherwise this is part of MS Resource Kit - older version of runas.exe.
application d'arriere fond, un spam generateur de site qui absorde toutes les ressources system.

Summary: Average user rating of suss.exe: based on 2 votes with 2 user comments. One user thinks it's neither essential nor dangerous. One user suspects danger.

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Best practices for resolving suss issues

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

suss.exe [all]