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How to remove the WinFirewall virus

Most antivirus programs identify WinFirewall.exe as malware—such as Microsoft identifies it as Worm:Win32/Ainslot.A, and Kaspersky identifies it as Trojan.Win32.Cosmu.aght.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the WinFirewall.exe malware

WinFirewall.exe file information

The process known as Windows Firewall appears to belong to software Microsoft by Microsoft (www.microsoft.com).

Description: WinFirewall.exe is not essential for Windows and will often cause problems. The WinFirewall.exe file is located in a subfolder of "C:\Documents and Settings". The file size on Windows 8/7/XP is 294,912 bytes. http://www.file.net/process/winfirewall.exe.html 
There is no information about the author of the file. The program is not visible. It is not a Windows core file. WinFirewall.exe is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 75% dangerous.

Recommended: Identify WinFirewall.exe related errors

If WinFirewall.exe is located in the C:\Windows\System32 folder, the security rating is 70% dangerous. The file size is 758,272 bytes. It is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The software uses ports to connect to or from a LAN or the Internet. The WinFirewall.exe file is not a Windows system file. WinFirewall.exe is able to hide itself.

If WinFirewall.exe is located in a subfolder of C:\Windows\System32, the security rating is 70% dangerous. The file size is 758,272 bytes. It is located in the Windows folder, but it is not a Windows core file. The program has no visible window. The process listens for or sends data on open ports to a LAN or the Internet. The WinFirewall.exe file is not a Windows core file. WinFirewall.exe is able to hide itself.

Important: You should check the WinFirewall.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.

Score

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Best practices for resolving WinFirewall issues

A clean and tidy computer is the key requirement for avoiding problems with WinFirewall. 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 doing a repair of your installation, or in the case of Windows 8, 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 WinFirewall.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

WinFirewall.exe [all]