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What is WebCheck.dll?


WebCheck.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if WebCheck.dll is a Windows system file or if it belongs to an application that you can trust.

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WebCheck.dll file information

The process known as Web Site Monitor belongs to software Microsoft Windows Operating System or Windows Internet Explorer or Microsoft Internet Explorer by Microsoft (www.microsoft.com).

Description: The original WebCheck.dll from Microsoft is an important part of Windows, but often causes problems. WebCheck.dll is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\Windows\System32. Known file sizes on Windows 8/7/XP are 276,480 bytes (32% of all occurrences), 233,472 bytes and 68 more variants. http://www.file.net/process/webcheck.dll.html 
The program has a visible window. The application is loaded during the Windows boot process (see Registry key: ShellServiceObjectDelayLoad). The file is not a Windows system file. The file is a Microsoft signed file. Therefore the technical security rating is 4% dangerous, however you should also read the user reviews.

Recommended: Identify WebCheck.dll related errors

How to recognize suspicious variants?

Important: Some malware disguises itself as WebCheck.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the WebCheck.dll 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

User Comments

It was installed with Windows 7 updates, most likely SP1. After updating I have a new file called Webcheck.dll v8.0.7601.17514, version date: 11/20/2011 -- the same version as iexplorer.exe (since I have IE8.) This was not in my Winpatrol startup items before updating to SP1. It does appear that webcheck.dll is a part of every Windows version, but having it start up at boot was not necessary. I am deleting registry keys that start it: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WebCheck] "LoadLCE"="no" "LoadSens"="no" [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad] "WebCheck"="{E6FB5E20-DE35-11CF-9C87-00AA005127ED}"
  gggirlgeek   (further information)
Obviously its a Windows file, however this file is one of the more common system files to become infected or replaced with a malicious version of the file as it does not damage system stability when altered allowing malware authors to make changes to the system quietly.
  SparX  
slows down the system
  hfrmobile  
Absolutly nothing. However, my Norton AV or Spyware Doctor has not dected anything wrong with this file so I assume that this file is safe.
  Michael Kolarits  
malware, browser spyware
  Sytec  
This files does pretty much what is says it checks websites. The main use is in activedesktop whcih I dont think i've seen any one use after fixing about 2000 computers. all the default sites dont wrrk anyway. Just a few others programs use it like some old stock ticker programs. If you have the autoruns programs you see it has the most entires for a program you never use.
  john   (further information)
This startup-feature appeared in my system after that I installed Aignes WebSite-Watcher v4.31 that claims to keep an eye on functional or broken links in bookmarks of Firefox or Favorites in IE7.
  soco   (further information)
it slows down my system and seems to behave like a DOS trojan
  Ken M.  
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of WebCheck.dll: based on 32 votes with 9 reviews. 9 users think WebCheck.dll is essential for Windows or an installed application. 6 users think it's probably harmless. 4 users think it's neither essential nor dangerous. 5 users suspect danger. 8 users think WebCheck.dll is dangerous and recommend removing it. 6 users don't grade WebCheck.dll ("not sure about it").


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Best practices for resolving WebCheck issues

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

WebCheck.dll [all]