What is wsys.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 wsys.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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Wsys.exe file information

Windows Task Manager with wsys
Wsys.exe process in Windows Task Manager

The process known as Service or Wsys appears to belong to software 04 or Wsys by Aconfi.

Description: Wsys.exe is not essential for Windows and will often cause problems. Wsys.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 450,560 bytes (50% of all occurrences), 446,464 bytes, 417,792 bytes or 458,752 bytes. 
There is no file information. The program is not visible. The wsys.exe file is located in the Windows folder, but it is not a Windows core file. The file is not a Windows system file. The program is loaded during the Windows boot process (see Registry key: MACHINE\Run). Wsys.exe is able to record keyboard and mouse inputs, hide itself and monitor applications. Therefore the technical security rating is 80% dangerous; however you should also read the user reviews.

Recommended: Identify wsys.exe related errors

If wsys.exe is located in the C:\Windows folder, the security rating is 62% dangerous. The file size is 86,016 bytes. There is no description of the program. It is located in the Windows folder, but it is not a Windows core file. The program is not visible. It is not a Windows core file.

External information from Paul Collins:
There are different files with the same name:

Important: Some malware also uses the file name wsys.exe, for example Backdoor.Iopus.A (detected by F-Secure), and Spyware.Starr (detected by Symantec). Therefore, you should check the wsys.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

monitors all computer activity to a local or networked log file or hidden outbound email
Sie gehört zum Internet-Monitoring-Programm Starr. Das Programm protokolliert jeden Tastenanschlag und sämtliche Aktivitäten des besagten Rechners icl. Surfverhalten (besuchte Seiten,Passwörter etc.). Die gesammelten Daten können abgerufen oder unbemerkt als Email an einen anderen Rechner weitergegeben werden. -Big Brother is watching you ! :-)
die wsys.exe stellt sofern sie wissentlich vom pcbesitzer installliert wurde keine gefahr dar. wird gerne von netzweradmins in firmen genutzt. dann offiziell mit warnmeldung bei der anmeldung. oder auch nicht;) wenn das also DEIN pc ist und DU nicht´s davon weißt dann doch ehr gefährlich
    (further information)
As touched on already wsys.exe is placed on your computer as part of the Starr Key Logger. I installed this program as I like a keylogger running as back up should a power cut or computer freeze cause me to lose recent unsaved typing.
  Godon Metcalfe  
Hatte seit 8.11.13 Probleme beim Hochfahren von Windiws 7. Das Betriebssystem selbst war innerhalb von 40 Sec. da. Dann aber stockte die Weiterarbeit um genau 75 Sec. Dann erst erfaolgte die Verbindung ins Internet und dal Laden von Kaspersky. Ein nicht akzeptabler Ladevorgang. In der Sytemsteuerung/Programme und Funktionen stieß ich auf die Datei WSYS, die ich nicht wissentlich geladen hatte, und die genau am 8.11.2013 ins System kam. Nach den Rechechen bei habe ich Wsys gelöscht. Seitdem läuft das Hochfahren wieder einwandfrei!! Interessant wäre hier, was hat Wsys in den 75 Sec. gemacht? Guido

Summary: Average user rating of wsys.exe: based on 5 votes with 5 user comments. One user thinks wsys.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user suspects danger. 2 users think wsys.exe is dangerous and recommend removing it. 4 users don't grade wsys.exe ("not sure about it").

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Best practices for resolving wsys issues

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

wsys.exe [all]