How to remove the module.dll malware

Some anti-malware programs classify module.dll as a harmful extension to Internet Explorer: for instance Trojan.Win32.BHO.afrh (detected by Kaspersky), and BrowserModifier:Win32/Hijacker.G (detected by Microsoft). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated module.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 module.dll and how to get rid of it.

Click here to automatically remove the module.dll malware

Module.dll file information

The process known as module.dll belongs to software ToolBHO or Site Advisor Module or Site Adviser Module or Search Optimization Module by AZTEC MEDIA INC.

Description: Module.dll is not essential for the Windows OS and causes relatively few problems. Module.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 130,560 bytes (16% of all occurrences), 111,104 bytes and 4 more variants. 
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 9DC7B255-C5B5-4DA0-81FC-D6B70FEB8FC5 or B2150688-1AA5-4698-90BE-C3CBECBB5786 or F0E06662-71F5-4fb0-A9A2-70DBA996EAC3. The program is not visible. It is not a Windows core file. The module.dll file is able to change the behavior of, or monitor Internet Explorer. You can uninstall this program in the Control Panel. Module.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 51% dangerous.

Uninstalling this variant: In case you experience problems using module.dll, you can also uninstall ToolBHO or Site Advisor Module from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify module.dll related errors

Important: Some malware camouflages itself as module.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder, for example Trojan.Win32.BHO.afrh (detected by Kaspersky), and BrowserModifier:Win32/Hijacker.G (detected by Microsoft). Therefore, you should check the module.dll process on your PC to see if it is a threat. If module.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 module issues

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

module.dll [all]