How to remove the winlogonsys virus
Most antivirus programs identify winlogonsys.exe as malware, for instance Kaspersky identifies it as Backdoor.Win32.Ciadoor.gn, and Symantec identifies it as W32.Spybot.Worm.
The free file information forum can help you find out how to remove it. If you know more about this file, please leave a comment or a hint for other users.
Click to Run a Free Virus Scan for the winlogonsys.exe malware
Winlogonsys.exe file information
Little is known about the process, since there is no reference to the producer within the file.
Description: The file winlogonsys.exe is located in the folder C:\Windows\System32.
The file size on Windows 7/XP is 538,213 bytes. 
There is no description of the program. The file is located in the Windows folder, but it is not a Windows core file. The program has no visible window. Program starts upon Windows startup (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices).
File winlogonsys.exe is not a Windows system file.
winlogonsys.exe is able to record inputs, hide itself and monitor applications.
Therefore the technical security rating is 90% dangerous, however also read the users reviews.
Recommended: Identify winlogonsys.exe related errors
Important: Some malware camouflages itself as winlogonsys.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the winlogonsys.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.
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User Comments
Winlogonsys scanner
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan. Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager. SpeedUpMyPC scans, cleans, repairs and optimizes your computer. |
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Dave (further information)