How to remove the Local Spool support DLL malware

Most antivirus programs classify lclsplnt.dll as a harmful extension to Internet Explorer: such as not-a-virus:AdWare.Win32.MediaBack.b (detected by Kaspersky), and Win32:MediaBack (detected by Avast). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated Local Spool support DLL software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about Local Spool support DLL and how to get rid of it.

Click here to automatically remove the Local Spool support DLL malware

Lclsplnt.dll file information

The process known as Local Spool support DLL appears to belong to software mplay32 by unknown.

Description: Lclsplnt.dll is not essential for Windows and will often cause problems. Lclsplnt.dll is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 126,976 bytes. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 00C9D850-244D-10E1-B3C9-10805E499D95. The application has no file description. The program has no visible window. Lclsplnt.dll is located in the Windows folder, but it is not a Windows core file. The file is able to monitor web browsers. There is no detailed description of this service. Lclsplnt.dll is not a Windows core file. Therefore the technical security rating is 76% dangerous.

Recommended: Identify lclsplnt.dll related errors

Important: You should check the lclsplnt.dll process on your PC to see if it is a threat. If Local Spool support DLL has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving lclsplnt issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active lclsplnt process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the lclsplnt.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. 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.

Other processes

lclsplnt.dll [all]