What is ASCPlugin_Protection.dll?

ASCPlugin_Protection.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 Advanced SystemCare.

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ASCPlugin_Protection.dll file information

The process known as Advanced SystemCare (version 8 ASCPlugin_Protection, 7 ASCPlugin_Protection) or Advanced SystemCare ASCPlugin_Protection belongs to software Advanced SystemCare (version 6, 8, 7, 10) or Advanced SystemCare Ultimate (version 6) or IObit Malware Fighter (version 5) or IObit Information Technology by IObit (

Description: ASCPlugin_Protection.dll is not essential for Windows and will often cause problems. ASCPlugin_Protection.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 672,032 bytes (22% of all occurrences), 659,264 bytes and 17 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 BA0C978D-D909-49B6-AFE2-8BDE245DC7E6. The program is not visible. It is able to change the behavior of, or monitor Internet Explorer. The service has no detailed description. It is not a Windows system file. The ASCPlugin_Protection.dll file is digitally signed. ASCPlugin_Protection.dll is a Verisign signed file. ASCPlugin_Protection.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 51% dangerous; however you should also read the user reviews.

Uninstalling this variant: If problems with Surfing Protection or Advanced SystemCare 6 occur, you can do the following:
  1) safely remove the program using the uninstall program of (Control Panel ⇒ Uninstall a Program)
  2) turn to the software company, Iobit, for advice
  3) update the program.

Recommended: Identify ASCPlugin_Protection.dll related errors

Important: Some malware camouflages itself as ASCPlugin_Protection.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ASCPlugin_Protection.dll process on your PC to see if it is a threat. If Advanced SystemCare 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

Internet Explorer BHO - The ascplugin_protection.dll BHO has a registered CLSID of {BA0C978D-D909-49B6-AFE2-8BDE245DC7E6}. A Browser Helper Object (BHO) is a module designed as a plugin for Microsoft's Internet Explorer web browser to provide added functionality. A BHO can introduce visible changes to a IE's interface, such as installing toolbars, but it can also run without any change to the interface. ascplugin_protection.dll is loaded by: explorer.exe (Windows Explorer by Microsoft)
  snllive   (further information)
Hijacks the browser, forcing Yahoo to be the home page, prevents changes.
  Ted Pass  

Summary: Average user rating of ASCPlugin_Protection.dll: based on 5 votes with 2 user comments. One user thinks ASCPlugin_Protection.dll is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks it's neither essential nor dangerous. One user thinks ASCPlugin_Protection.dll is dangerous and recommends removing it.

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Best practices for resolving ASCPlugin_Protection issues

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

ASCPlugin_Protection.dll [all]