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 winvnc.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.
The process known as VNC server for Win32 or TightVNC Win32 Server or VNC server for (version X64/win32) or VNC Server for Win32 or VNC server for win32 or NA server for Win32 or VNC 3.3.7
belongs to software UltraVNC or TightVNC or TightVNC Win32 Server or RealVNC Ltd. - WinVNC or VNC or Tridia Corporation WinVNC or AT&T Research Labs Cambridge - WinVNC or Network-anywhere
by UltraVNC (www.uvnc.com) or TightVNC Group or Constantin Kaplinsky (www.tightvnc.com) or Tridia or RealVNC (www.realvnc.com) or AT&T Research Labs Cambridge (www.att.com) or Network-anywhere or UltraVnc (www.uvnc.com).
Description: Winvnc.exe is not essential for Windows and will often cause problems. The file winvnc.exe is located in a subfolder of "C:\Program Files" (generally C:\Program Files\RealVNC\WinVNC\ or C:\Program Files\ORL\VNC\).
Known file sizes on Windows 10/8/7/XP are 712,704 bytes (21% of all occurrences), 589,824 bytes and 28 more variants.
It is not a Windows core file. The application listens for or sends data on open ports to a LAN or the Internet. The program is not visible. Winvnc.exe is able to record keyboard and mouse inputs, hide itself and monitor applications. Therefore the technical security rating is 41% dangerous; however you should also read the user reviews.
Recommended: Identify winvnc.exe related errors
If winvnc.exe is located in a subfolder of C:\Windows\System32, the security rating is 68% dangerous. The file size is 335,872 bytes (66% of all occurrences), 474,624 bytes, 585,728 bytes or 372,736 bytes. Winvnc.exe is not a Windows system file. The file is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The program uses ports to connect to or from a LAN or the Internet. Winvnc.exe is able to record keyboard and mouse inputs and hide itself.
If winvnc.exe is located in the C:\Windows\System32 folder, the security rating is 69% dangerous. The file size is 249,856 bytes (71% of all occurrences), 585,728 bytes or 217,088 bytes. It is not a Windows system file. The program is not visible. The process uses ports to connect to or from a LAN or the Internet. It is an unknown file in the Windows folder. Winvnc.exe is able to record keyboard and mouse inputs and hide itself.
If winvnc.exe is located in a subfolder of C:\, the security rating is 69% dangerous. The file size is 184,320 bytes (66% of all occurrences), 589,824 bytes or 364,032 bytes.
If winvnc.exe is located in a subfolder of C:\Windows, the security rating is 62% dangerous. The file size is 249,856 bytes (50% of all occurrences), 2,016,504 bytes or 1,590,216 bytes.
If winvnc.exe is located in the C:\Windows folder, the security rating is 64% dangerous. The file size is 208,896 bytes (66% of all occurrences) or 630,950 bytes.
If winvnc.exe is located in a subfolder of the user's profile folder, the security rating is 52% dangerous. The file size is 712,704 bytes.
External information from Paul Collins:
Important: Some malware camouflages itself as winvnc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the winvnc.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.
A clean and tidy computer is the key requirement for avoiding problems with winvnc. 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 winvnc.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.