How to remove the AlxTB Module malware

The AlxTB1.dll file is a software component of AlxTB Module by Alexa Internet.
AlxTB1.dll is a DLL (Dynamic Link Library) file that is part of the Alexa Toolbar, a browser addon that displays site statistics and search analytics. DLL files store data, code and resources needed by one or more programs in order to function correctly. This is not a critical Windows component and should be removed if known to cause problems. The Alexa Toolbar was designed to collect data on user browsing behavior. It transmits data back to the Alexa website for analysis. This forms the basis for the company's web traffic reporting. The toolbar is available for Internet Explorer, Mozilla Firefox and Google Chrome web browsers. Alexa Internet is an American company that provides data on web traffic to over 30 million websites. The company was established in 1996 by Brewster Kahle and Bruce Gilliat. In 1999, Alexa was acquired by Amazon. The company is headquartered in San Francisco, California, USA.

AlxTb1 stands for Alexa Toolbar Module 1

Most antivirus programs classify AlxTB1.dll as a harmful extension to Internet Explorer: e.g. not-a-virus:AdWare.Win32.AlexaBar.n (detected by Kaspersky), and Trackware.Alexa (detected by Symantec). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated AlxTB Module 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 AlxTB Module and how to get rid of it.

Click here to automatically remove the AlxTB Module malware

AlxTB1.dll file information

The process known as AlxTB Module belongs to software AlxTB Module by Alexa Internet (

Description: AlxTB1.dll is not essential for Windows and will often cause problems. AlxTB1.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 565,248 bytes (87% of all occurrences) or 516,185 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 F1FABE79-25FC-46de-8C5A-2C6DB9D64333. The program has no visible window. It is an unknown file in the Windows folder. It is able to monitor web browsers. The file is not a Windows system file. AlxTB1.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 52% dangerous; however you should also read the user reviews.

Recommended: Identify AlxTB1.dll related errors

External information from Tony Klein:

Important: You should check the AlxTB1.dll process on your PC to see if it is a threat. If AlxTB 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.


User Comments Browser Extension
  Alex   (further information) toolbar for internet explorer
    (further information)
Might be part of a plugin called, "SearchStatus"I downloaded for Firefox. The Plugin shows an Alexa rating in a bar at the bottom of my browser for every page I go to.
  neo   (further information) - safe, need for SEO work
It remains behind after you uninstall the Browser Extension

Rating chart

Summary: Average user rating of AlxTB1.dll: based on 6 votes with 5 user comments. 2 users think AlxTB1.dll is essential for Windows or an installed application. 4 users think it's neither essential nor dangerous.

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Best practices for resolving AlxTB1 issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active AlxTB1 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the AlxTB1.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 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.

Other processes

AlxTB1.dll [all]