Ads not by this site
Written by Tomas Meskauskas on
Ads not by this site - how to remove this adware caused by browser plug-ins?
Ads not by this site is a text that can be found below ads which appear on YouTube, Wikipedia, Google, FaceBook and other popular websites. Notice that these websites (except Wikipedia) shows their own legitimate ads, however computer users report that they are seeing many unwanted ads (mature content, surveys, etc.) shown instead or together with the legitimate ones. If you see such ads ("ads not by this site") this means that your computer has been infiltrates with an adware infection, while this is not a particularly high risk security threat it can be very irritating to see unwanted ads and also this may lead to installation of unwanted software or even malware infections.
"Ads not by this site" adware is caused by installation of unwanted browser add-ons and such browser extensions most commonly are distributed using free software. To avoid installation of unwanted browser plug-ins computer users should closely inspect every installation window of free software that they have downloaded from the Internet. Uncheck every tick which suggest that you should install additional browser plug-ins, toolbars or change your Internet browsers homepage and default search engine. Notice that it's highly recommended to remove "ads not by this site" from your computer, follow the removal guide presented in this article and eliminate these annoying ads from appearing in your favorite websites.

"Ads not by this site" is a direct consequence of unwanted browser add-ons installation. Developers of such browser extensions adds "ads not by this site" to their plug-ins for monetization purposes. To eliminate these annoying ads you will have to eliminate browser add-ons which causes them. Here is a list of browser extensions which are known to cause "ads not by this site" problems (to eliminate these unwanted ads you will have to check the extension lists of your Internet browsers and eliminate these plug-ins):
AddLyrics
Vid Saver
CodecV
BCoolApp
Fast Save
CodecM
I Want This
Start Now Toolbar
Save As
VDownloader
LuckySavings
CouponDropDown
FaceBook Dislike Button
Installation Assistant
Coupon Companion
1ClickDownloader
Xvidly
Notice that many tech support forums are suggesting computer users who have "ads not by this site" issues to install "Adblock Plus" browser extension which doesn't allow such ads to show up in user's Internet browser. While this would stop these annoying ads from showing up it wouldn't remove them from your computer. It's always best to remove the cause and not to deal with the consequences. Use the provided removal guide and completely remove "ads not by this site" issue from your computer.
"Ads not by this site" removal:

Windows 7 users:
Click "Start" ("Windows Logo" in the bottom left corner of your desktop), choose "Control Panel". Locate "Programs and Features". 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.
Windows XP users:
Click "Start", choose "Settings" and click "Control Panel". Locate and click "Add or Remove Programs". 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 Remove.
After uninstalling plugins which causes "ads not by this site" issue scan your computer for any left unwanted components or possible malware infections. Recommended anti-spyware software.
Scan your computer for possible malware infections
"Ads not by this site" removal from browsers:
Remove "Ads not by this site" from Internet Explorer:
Click "Tools" (or gear icon in Internet Explorer 9), 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 having problems with removal of "ads not by this site" you can reset you Internet Explorer settings to default.
Windows XP users: Click "Start", click "Run", in the opened window type "inetcpl.cpl". In the opened window click on "Advanced" tab, then click Reset.
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 on "Advanced" tab, then click Reset.
Remove "Ads not by this site" from Google Chrome:

Click on a wrench or bars icon (top right of the screen), 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 on a trash can icon.
If any of the extensions which causes "ads not by this site" are greyed out and you can't remove them ("This extension is managed and cannot be removed of disabled") please follow this removal guide - how to remove a managed Google Chrome extension?
Remove "Ads not by this site" from Mozilla FireFox:

Click "Tools" (at the top of the 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 having problems with removal of "ads not by this site" you can reset you Mozilla FireFox settings to default.
Open Mozilla FireFox, at the top left corner of the main window click "FireFox", in the opened drop down menu choose Help and then click on Troubleshooting Information, in the opened window click on "Reset FireFox" button.
If you have discovered other Internet browser plug-ins which causes "ads not by this site" advertisements, please post them in comments section.


Comments
Found Coupon Companion Plugin.0.87.24
Thank You!