It turns out that 5% of Google users are using obstructive extensions to display ads

Many add-ons and extensions that can easily extend the functions of the web browser are released for each browser, and in the case of Google ChromeChrome Web StoreYou can install a dedicated extension from.Extensions that delete ads on YouTube and non-skippable CMs in one shotYaExtension function that can compress the transfer amount and increase the connection speedAlthough there are things that make browsers much more convenient if installed, there are extended functions that make it difficult to see the page by additionally displaying advertisements on the browser or to illegally install the software, What is 5% of users who use search engine 'Google'Extension to display additional adsIt is clear that you know whether you know it or not.

Google Online Security Blog: Out with unwanted ad injectors
http://googleonlinesecurity.blogspot.jp/2015/03/out-with-unwanted-ad-injectors.html

According to Google, "Extension to display additional advertisement" exists beyond OS types such as Mac and Windows. Also, it seems that there is a "extended function to display additional advertisements" for Web browsers with extensions such as Chrome, Firefox, Internet Explorer etc. In addition, 5% of users searching for web pages from Google have installed 'Extensions to display additional advertisements', and half of users installing them have at least two or more, approximately three minutes 1 has found that there are four or more "extensions to display additional advertisements" installed by survey.

If you do not know what "Extension to display additional ads" is, you can understand it by seeing the following image in one shot. For example, in the image below, I have an article on the New York Times, but since multiple advertisements are displayed in the overlay display on the original web page, it is almost impossible to read the article.


Also, some extension functions display advertisements based on search results on the web. For example, in the image below, Google just searched for "Nexus 6", but the advertisement of "Nexus 6" by extension is displayed above and below the screen, and it is displayed on the original search pageGoogle AdWordsThe advertisement of the other is also annoying.


These relentless advertisement displays are due to some extensions added to the browser, and some of the extended functions are displaying illegal advertisements by falsifying the function.

Google said that it received more than 100,000 complaints against these 'extensions to display additional advertisements' in 2015. This complaint count is more than network error, Chrome performance problem, etc, and you can see how many users are suffering from "extensions to display additional ads". In addition, "Extension function for displaying additional advertisements" not only displays advertisements but also has a great deal of problems in its quality, such as being difficult to delete or downloading secret data , Google is working on countermeasures to eradicate them.

According to Google's survey, 34% of the "extensions to display additional advertisements" are completely classified as malware, of which 192 extensions have been discovered and deleted, of which more than 14 million users were being cheated . However, Google commented that it plans to continue to publish some "extended functions to display additional advertisements" without prohibiting it. However, it is a policy to deemphasize extensions such as additional advertisements appearing secretly as policy violations and actively delete them. For extended functions that deceive users or extended functions that do not use the correct API, users Will display the following warning screen when installing the extended function and urge attention as well.


In addition, on the advertisement side, when Google AdWords advertisers display advertisements that encourage downloading of software on their own site, or display links to their site, etc.Unwanted software policyWe need to comply with that. OtherPlatform program policyYaDoubleClick Ad Exchange Program GuidelinesIn accordance with this, it is also prohibited to display advertisements overlaid on the web page without the permission of the site owner, so the target extended functions are likely to be actively deleted .

The detailed findings that Google conducted for "Extension to display additional advertisements" will be published on 1st May.