Ads not by this site Virus

Also Known As: Ads not by this site Adware, Type: Adware, Distribution: High
Damage level Damage level: Moderate

"Ads not by this site" virus removal guide

What is Ads not by this site?

"Ads not by this site" are additional ads often displayed below legitimate ads appearing on YouTube, Wikipedia, Google, Facebook, and other popular websites. These websites (excluding Wikipedia) display internal legitimate ads, however, computer users report that they observe many additional unwanted ads (including mature content, surveys, etc.) as well as legitimate ones. If you notice "Ads not by this site", your computer is infiltrated with an adware infection, and while this is not a particularly high-risk security threat, it can be distracting to observe unwanted ads, and furthermore, they may lead to inadvertent installation of unwanted software or even malware infections.

"Ads not by this site" adware is caused by installation of unwanted browser add-ons - browser extensions, which are commonly distributed via free software downloads. To avoid installation of unwanted browser plug-ins, closely inspect each installation window of free software downloaded from the Internet. Uncheck any option suggesting installation of additional browser plug-ins, toolbars, or modification to your Internet browser homepage and default search engine settings. You are strongly advised to remove "Ads not by this site" from your computer. Follow the removal guide presented in this article to eliminate these annoying ads from appearing on your favourite websites.

ads not by this site

"Ads not by this site" is a consequence of unwanted browser add-on installation. Developers of these browser extensions bundle "Ads not by this site" with plug-ins in order to monetize their free software. To eliminate these annoying ads, you must eliminate the browser add-ons that cause them. The following is a list of browser extensions known to cause "Ads not by this site" problems. To eliminate these unwanted ads, check the extension lists within your Internet browser/s and remove these plug-ins:

AddLyrics
Boby Lyrics
Vid Saver
CodecV
BCoolApp
Fast Save
Save As
VDownloader
LuckySavings
CouponDropDown
FaceBook Dislike Button
Installation Assistant
Coupon Companion
1ClickDownloader
Xvidly
CodecM
I Want This
Start Now Toolbar

Note that many tech support forums suggest computer users who have "Ads not by this site" issues, install the "Adblock Plus" browser extension, which blocks these ads from being displayed by the Internet browser. While this stops these annoying ads from appearing, it does not completely remove them from your computer. Therefore, it is best to remove the cause and not just deal with the consequences: use the removal guide provided to completely remove the "Ads not by this site" issue from your computer.

Here are further examples of intrusive "Ads not by this site" advertisements within popular websites:

Ads not by this site in Google:

Ads not by this site in Google

Ads not by this site in Facebook:

Ads not by this site in Facebook

Ads not by this site in Bing:

Ads not by this site in Bing

Ads not by this site in Wikipedia:

Ads not by this site in Wikipedia

While "Ads not by this site" is not technically a computer virus or malware, it is intrusive adware. Advertisements displayed by this adware originate from dubious ad networks, and thus, clicking them can cause serious security and privacy issues. Third party ad networks, which use this platform to serve ads, are also commonly used by cyber criminals to distribute various 'exploit kits' and other malware. If you see such advertisements when browsing the Internet, follow the removal instructions provided to eliminate the potentially unwanted browser add-ons which cause them.

Quick menu:

"Ads not by this site" virus removal:

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click "Start" ("Windows Logo" in the bottom left corner of your desktop), choose "Control Panel". Locate "Programs and Features".

Windows XP users:

Accessing Add or Remove Programs in Windows XP

Click "Start", choose "Settings" and click "Control Panel". Locate and click "Add or Remove Programs".

WIndows 8 users:

Accessing Programs and Features (uninstall) in Windows 8

Right-click in the screen’s bottom-left corner, select Control Panel. In the opened window choose "Uninstall a Program".

ads not by this site uninstall

In the uninstall programs window, look for "Vid Saver, CodecV, BCoolApp, Fast Save, CodecM, I Want This, Start Now Toolbar, Save As, VDownloader, CouponDropDown, FaceBook Dislike Button, Installation Assistant, Coupon Companion, 1ClickDownloader", select these entries and click " Uninstall" or "Remove"

After uninstalling plugins that cause the "Ads not by this site" issue, scan your computer for any remaining unwanted components or possible malware infections. Recommended malware removal software.

Remover for Ads not by this site Virus

If you need assistance removing Ads not by this site Virus, give us a call 24/7:
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"Ads not by this site" virus removal from browsers:

Video showing how to remove potentially unwanted browser add-ons:

Internet Explorer logoRemove "Ads not by this site" virus from Internet Explorer:

ads not by this site internet explorer

Click on the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer) select "Manage Add-ons". Look for "Vid Saver, CodecV, BCoolApp, Fast Save, CodecM, I Want This, Start Now Toolbar, Save As, VDownloader, CouponDropDown, FaceBook Dislike Button, Installation Assistant, Coupon Companion, 1ClickDownloader" and disable these entries.

Optional method:

If you continue to have problems with removal of "Ads not by this site", reset your Internet Explorer settings to default.

Windows XP users: Click "Start", click "Run", in the opened window type "inetcpl.cpl" In the opened window click the "Advanced" tab, then click Reset.

Resetting Internet Explorer settings to default on Windows XP

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type "inetcpl.cpl" and click enter. In the opened window click the "Advanced" tab, then click Reset.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the "gear" icon. Select "Internet Options".

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the "Advanced" tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the "Reset" button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you want to reset Internet Explorer settings to default by clicking the "Reset" button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove "Ads not by this site" virus from Google Chrome:

ads not by this site Google Chrome

Click the Chrome menu iconGoogle Chrome options icon(at the top right corner of Google Chrome) select "Tools" and click on "Extensions".  Locate "Vid Saver, CodecV, BCoolApp, Fast Save, CodecM, I Want This, Start Now Toolbar, Save As, VDownloader, CouponDropDown, FaceBook Dislike Button, Installation Assistant, Coupon Companion, 1ClickDownloader", select these entries and click the trash can icon.

If any extensions causing "Ads not by this site" are greyed-out and you cannot remove them ("This extension is managed and cannot be removed of disabled"), follow this removal guide - how to remove a managed Google Chrome extension?

Optional method:

If you continue having problems with the removal of "Ads not by this site" virus you can reset your Google Chrome browser settings. Click the Chrome menu iconGoogle Chrome options icon(at the top right corner of Google Chrome) and select "Tools". From the opened menu, select "Extensions". In the opened window, select "Settings" (at the left corner of the screen). Scroll down to the bottom of the screen. Click the "Show advanced settings…" link.

Resetting Google Chrome setting to default - accessing settings

After scrolling to the bottom of the screen click the "Reset browser settings" button.

Resetting Google Chrome settings to default - advanced settings

 In the opened window confirm that you want to reset Google Chrome settings to default by clicking the "Reset" button.

Resetting Google Chrome settings to default - confirm that you want to reset Chrome settings to default by clicking the Reset button

Mozilla Firefox logoRemove "Ads not by this site" virus from Mozilla Firefox:

ads not by this site mozilla firefox

Click on the Firefox menu firefox menu icon(at the top right corner of the main window) select "Add-ons". Click on "Extensions" and disable "Vid Saver, CodecV, BCoolApp, Fast Save, CodecM, I Want This, Start Now Toolbar, Save As, VDownloader, CouponDropDown, FaceBook Dislike Button, Installation Assistant, Coupon Companion, 1ClickDownloader".

Optional method:

If you continue to have problems with removal of "Ads not by this site", reset your Mozilla FireFox settings to default.

Open Mozilla Firefox, at the top right corner of the main window click the Firefox menu,firefox menu iconin the opened menu, click the "Open Help Menu" icon,firefox help menu

Resettings Mozilla Firefox settings to default - accessing

Select "Troubleshooting Information".

Resetting Mozilla Firefox settings to default - accessing

In the opened window click the "Reset Firefox" button.

Resetting Mozilla Firefox settings to default - clicking the

In the opened window confirm that you want to reset Mozilla Firefox settings to default by clicking the "Reset" button.

Resetting Mozilla Firefox settings to default - confirming settings reset by clicking the

If you discover other Internet browser plug-ins causing "Ads not by this site" advertisements, please post them in comments section.

Summary:

Ads not by this site Virus is an adware program that tracks user's Internet browsing and generates intrusive online advertisements. Most commonly adware or potentially unwanted applications infiltrate user's Internet browsers through free software downloads. Internet users should know that nowadays most of free software download websites are using download clients to manage their freeware download process, unfortunately some of the mentioned download clients don't properly disclose the fact that advertised browser plugins or toolbars will be installed together with the free program that users have decided to download.

Download clients and installers that are used to distribute adware commonly hide the “decline” button that can be used to opt-out of installing the advertised potentially unwanted applications. Some of the malicious free software download websites doesn't allow to download the chosen freeware if users decide to decline the installation of promoted software. Notice that the safest source for downloading free software is it's developers website. Screenshot of the free software download clients that are used in Ads not by this site Virus distribution:

Free software download clients used in adware distribution

To avoid installation of Ads not by this site Virus be very attentive when downloading and installing free software. If your download is managed by a download client be sure to decline installation of promoted browser plug-ins and toolbars:

Using decline button to avoid installation of adware

When installing the already downloaded free program choose “custom” or “advanced” installation options – this step will reveal all of the potentially unwanted applications that are being installed together with your chosen free program:

Using custom installation when downloading free software
If you are experiencing problems while trying to remove Ads not by this site Virus from your computer, please ask for assistance in our malware removal forum.

If you have additional information on Ads not by this site Virus or it's removal please share your knowledge in the comments section below.

About the author:

I am passionate about computer security and technology. I have an experience of 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an editor for pcrisk.com since 2010.

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