How to remove the adssite_sidebar.dll malware

Some anti-malware programs classify adssite_sidebar.dll as a harmful extension to Internet Explorer: for instance Adware:Win32/SideSearch (detected by Microsoft), and Adware.Rugo or Adware.SideBar (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 adssite_sidebar.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 adssite_sidebar.dll and how to get rid of it.

Click here to automatically remove the adssite_sidebar.dll malware

Adssite_sidebar.dll file information

The adssite_sidebar.dll process does not have any vendor information.

Description: Adssite_sidebar.dll is not essential for Windows and will often cause problems. Adssite_sidebar.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 282,624 bytes (57% of all occurrences) or 319,488 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 1648E328-3E5A-4EA5-A9C6-E5F09EE272DA. There is no information about the author of the file. The program has no visible window. It is an unknown file in the Windows folder. The adssite_sidebar.dll file is able to monitor web browsers. There is no detailed description of this service. Adssite_sidebar.dll is not a Windows system file. Adssite_sidebar.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 92% dangerous.

Recommended: Identify adssite_sidebar.dll related errors

Important: Some malware also uses the file name adssite_sidebar.dll, for example Adware:Win32/SideSearch (detected by Microsoft), and Adware.Rugo or Adware.SideBar (detected by Symantec). Therefore, you should check the adssite_sidebar.dll process on your PC to see if it is a threat. If adssite_sidebar.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 adssite_sidebar issues

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

adssite_sidebar.dll [all]