What is zlavscan.dll?

Zlavscan.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 zlavscan.dll is a Windows system file or if it belongs to an application that you can trust.

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Zlavscan.dll file information

The process known as zlavscan shell extension belongs to software ZoneAlarm Security Suite or ZoneAlarm by Zone Labs ( or Check Point Software Technologies LTD.

Description: Zlavscan.dll is not essential for Windows and will often cause problems. Zlavscan.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 50,664 bytes (91% of all occurrences) or 78,728 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. The file is a Verisign signed file. The file has a digital signature. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. Therefore the technical security rating is 43% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with zlavscan.dll, you can remove the entire program ZoneAlarm Security Suite or ZoneAlarm using Windows Control Panel.

Recommended: Identify zlavscan.dll related errors

Important: Some malware camouflages itself as zlavscan.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the zlavscan.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.


User Comments

Zone Alarm Anti Virus
Zonealarm context menu shell extension to virus-scan a file by right-clicking
its a zone alarm file and it is secure
It is a necessary file for zone alarm software thus it's file name is derived from Zone Labs Anti-Virus SCAN or ZLAVSCAN.DLL
  6shots   (further information)
it blocks me from putting any other anti-virus program on my computer
  C. Pinckney  
I uninstalled the zone alarm software, but I can't get rid of this dll file. How can I make it go's interfering with other security suite that I want to load.
  Tamarra Boren  
It Stops Explorer.exe when Right Clicking or pressing 'delete'
file hijacked by win32.zafi.b

Rating chart

Summary: Average user rating of zlavscan.dll: based on 7 votes with 8 user comments. 3 users think zlavscan.dll is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user suspects danger. One user thinks zlavscan.dll is dangerous and recommends removing it. 2 users don't grade zlavscan.dll ("not sure about it").

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Best practices for resolving zlavscan issues

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

zlavscan.dll [all]