How to remove the BTPANU.dll malware

Most antivirus programs classify btpanu.dll as a harmful extension to Internet Explorer: such as Trojan:Win32/Boaxxe.B (detected by Microsoft), and Trojan Horse (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 BTPANU.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 BTPANU.dll and how to get rid of it.

Click here to automatically remove the BTPANU.dll malware

Btpanu.dll file information

More precise details about what the BTPANU.dll process belongs to are not available. This is partly because the author is not identified.

Description: Btpanu.dll is not essential for Windows and will often cause problems. Btpanu.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 122,368 bytes (25% of all occurrences), 110,592 bytes, 118,272 bytes or 91,648 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 FCF22B93-0406-4163-8B08-41A25BC705D1 or 16AA4BAA-D3E4-4818-914C-9A921F43CDCA or 32D98025-ED0E-4F07-951F-DF628C35C2DC or 34A8011D-B403-40F8-ADC7-42EF085CC9AB or FFF74784-8037-420E-840D-9B294C3C8F04. The application has no file description. Btpanu.dll is located in the Windows folder, but it is not a Windows core file. The program has no visible window. It is able to monitor web browsers. There is no detailed description of this service. The btpanu.dll file is not a Windows system file. Therefore the technical security rating is 92% dangerous.

Recommended: Identify btpanu.dll related errors

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

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

btpanu.dll [all]