Get rid of “Ads not by this site” virus for IE, Chrome, Firefox

By | March 19, 2014

Ads not by this site virus

“Ads not by this site” adware is text that is found on website you are visiting when your computer is infected with a virus. This “Ads not by this site” adware is promoted and spread through all kind of adware. It’s hard to say which adware is responsible for the “Ads not by this site” ads in your browser. This “Ads not by this site” adware is targeting all browsers on your computer. Internet Explorer, Google Chrome, Mozilla Firefox can be affected by this annoying ads. Adware is caused by installation of unwanted browser add ons and such browser extensions most commonly are distributed using free software downloads. Browser extensions bundle “ads not by this site” ads with their plug-ins to monetize their free software.

To Remove the “Ads not by this site” adware you need to remove the Browser Extension and software that is responsible for these ads. In this Removal Instruction we offer a manual and free tools to detect and remove the adware that is responsible for the “Ads not by this site” advertisements in your browser.

Remove “Ads not by this site”

It is advised to always read the Terms and Agreements before installing software on your computer. Do never click too fast through the installation process [Next] button of software as you will agree to software you might not want to install. If the installer offers an Advanced, Custom or Decline button, click it to find out if there is any other malicious software offered and installed during the installation process.

Follow all 3 steps to successfuly detect and remove this virus from your computer.

STEP 1 – Remove “Ads not by this site” virus from Windows XP or Windows 7

  • Select Start
  • Select Control Panel
  • Goto Programs
  • Select Uninstall a program

windows 7 - uninstall software


Search for Recent / Malicious software and click the Uninstall button

* Basically search for any recent installed software you don’t know or trust.
Sort by “Installed on” to easily detected recent installed software.

Remove “Ads not by this site” adware from Windows 8

Drag your mouse to the right edge of the screen. Goto Search and type “Control Panel
Select Control Panel on the left.

windows 8 - control panel - uninstall

Goto ProgramsUninstall a program

windows 8 - control panel - uninstall software

Search for Recent / Malicious software and click the Uninstall button

Basically search for any recent installed software you don’t know or trust.
Sort by “Installed on” to easily detected recent installed software.

STEP 2 – Remove Additional Adware using AdwCleaner

AdwCleaner will scan your computer for malicious Services, Folder, Files, Shortcuts, Registry items and Products. As AdwCleaner tries to delete these malicious content it will also clean the Internet Explorer, Google Chrome and Mozilla Firefox browser. We strongly recommend using AdwCleaner several times a month to keep your computer clean from adware, popups, browser hijackers or toolbars.
Download AdwCleaner (Official link and direct-download)

Select AdwCleaner.exe with right mouse click and Run as Administrator

remove 'Ads not by this site'

If User Account Control asks you to allow AdwCleaner.exe to make changes to your computer, press Yes to continue.

remove 'Ads not by this site'

Start scanning your computer for any malicious threats by selecting the Scan button, please wait.

remove 'Ads not by this site'

AdwCleaner will now start scanning your computer. If AdwCleaner is done, it will display a list of malicious items detected, please uncheck the items you do not want to remove that might be detected as malicious.
If you have nothing to uncheck, continue to the removal process and select the Clean button.

remove 'Ads not by this site'

AdwCleaner will display the following informational alerts and starts rebooting the computer.

All programs will be closed in order to proceed correctly to the removal of the infections. Please save any work in progress and the click [OK]

If you have been brought to use AdwCleaner, it’s probably because your PC contained potentially unwanted programs or adware.
Potentially unwanted programs are often proposed during the installation of software. They may be present form of toolbars that sometimes change the homepage of the browser and slow internet browsing.
To avoid the installation of these programs polluting the computer, it is essential to follow these tips:

– Always download a program from the official link, or a trusted site
– When installing a program, do not click too fast [Next] without paying attention to Terms of Use and third-party programs available.
– If third-party programs are available (toolbars, etc) uncheck them.
– Enable detection of PUP (Potentially Unwanted Program) in your Antivirus.

AdwCleaner must restart the computer to complete the removal process. The report will be opened on the next reboot.

After the reboot a logfile will open. The logfile in Windows XP and Windows 7 will open once the desktop is started. To open the logfile in Windows 8 you need to switch to the Desktop modus by selecting windows key + d on your keyboard.
If you want to check the AdwCleaner log, you can find the report log in your system drive, Adwcleaner folder (for example: C:\adwcleaner)

STEP 3 – Clean your computer with using MalwareBytes Anti-Malware

Download MalwareBytes Anti-Malware

  • Install MalwareBytes Anti-Malware
  • Perform a Quick Scan
  • when scan is done, right click in the results and select “Check all items
  • Click “Remove Selected” button

Remove malware with MalwareBytes Anti-Malware Free

  • Reboot your computer
  • Enjoy a malware free computer.
Author: Max

Hi, I am Max. I am a computer security researcher. Every day I blog about new adware threats as they are released. I am also active in various online communities to help people with their computer problems. Stay safe!

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