What is 4sharedExt.dll?

The genuine 4sharedExt.dll file is a software component of 4shared Toolbar by 4Shared.
4sharedExt.dll is a DLL (Dynamic Link Library) file that belongs to 4shared Toolbar, a toolbar that provides easy access to other online resources powered by 4shared. DLL files store data, code and resources needed by one or more programs in order to function correctly. This file is a Browser Helper Object (BHO) that adds program functionality to Microsoft's Internet Explorer. This file is part of a known adware program. Removal is recommended. The 4shared Toolbar provides easy access to free online games, web TV and online radio stations, as well as important news and announcements. The toolbar is compatible with Internet Explorer, Mozilla Firefox and Safari compatible. The toolbar is a known adware program that collects user browsing habits and directs targeted advertising based on web history. 4shared is a British company that develops online hosting, sharing and data storage solutions and services. With the launch of in 2005, users are able to upload, store and download files such as music, videos, photos, and many others types of files and documents. 4shared is based in Tortola in the British Virgin Islands.

4sharedExt stands for 4shared Toolbar Extension

4sharedExt.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about 4shared Toolbar Module.

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4sharedExt.dll file information

The process known as 4shared Toolbar Module belongs to software 4shared Toolbar or 4shared Toolbar Module by New IT Solutions (

Description: 4sharedExt.dll is not essential for the Windows OS and causes relatively few problems. 4sharedExt.dll is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 121,856 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 95525BD9-6136-4A26-8263-9CEE295D442D. The program has no visible window. The 4sharedExt.dll file is able to monitor web browsers. There is no detailed description of this service. The file is not a Windows core file. Therefore the technical security rating is 66% dangerous.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ 4shared Toolbar.

Recommended: Identify 4sharedExt.dll related errors

Important: Some malware camouflages itself as 4sharedExt.dll. Therefore, you should check the 4sharedExt.dll process on your PC to see if it is a threat. If 4shared Toolbar Module 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 4sharedExt issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active 4sharedExt process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the 4sharedExt.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

4sharedExt.dll [all]