Threat Database Adware 'Add Extension' Pop-Up

'Add Extension' Pop-Up

By GoldSparrow in Adware

Threat Scorecard

Threat Level: 20 % (Normal)
Infected Computers: 35
First Seen: December 7, 2016
Last Seen: April 25, 2020
OS(es) Affected: Windows

An 'Add Extension' pop-up may indicate that a website is trying to install an extension to the Chrome Web browser automatically, a method that may result in adware infections or a variety of other problems. Extensions loaded through the 'Add Extension' pop-ups may not be associated with the Google Chrome Web Store. The 'Add Extension' pop-up, rather, may be generated by suspicious Java scripts loaded on Web pages with dubious content. Computer users have reported that, when visiting these types of pages, they find an 'Add Extension' button that does not disappear, even when using pop-up blockers such as those that are included in Web browsers like Mozilla Firefox or Google Chrome. Some pop-up blockers by third parties have been effective in hiding the 'Add Extension' pop-up or blocking it from appearing on the victim's Web browser. PC security researchers strongly advise computer users to avoid clicking on the 'Add Extension' pop-up. Doing so may result in the installation of adware, browser hijackers, PUPs (Potentially Unwanted Programs), or a variety of other, unwanted content.

The Content Associated with the 'Add Extension' Pop-Up is not Recommended

The 'Add Extension' pop-up notification uses a JavaScript that keeps the 'Add Extension' pop-up on the affected Web browser's screen as long as the Web browser is open. In fact, since the 'Add Extension' pop-up may appear on the left corner of the affected window, it may interfere with the computer users' attempts to close the affected Web browser window. Computer users may be required to stop the 'Add Extension' pop-up by using the Task Manager or keyboard shortcuts to bypass the 'Add Extension' pop-up notification. PC security researchers have associated the 'Add Extension' pop-up with poorly regulated online content and advertisements. Examples of these potentially harmful websites include websites with pornographic material, websites involved in file sharing, online casinos, and other low-quality websites that may use potentially unsafe advertising material.

The websites that contain the 'Add Extension' pop-up dialog box may be entirely blank. In some cases, there will be an MP3 file playing in the background, noting that the victim has to 'Click Add to close this page.' PC security researchers strongly advise computer users to avoid following these irritating instructions. Clicking on the add button leads to a hidden product on the Chrome Web store that suggests strongly that the victim install the extension. There are a wide variety of questionable Google Chrome extensions associated with the 'Add Extension' pop-up, such as the following:

  • Full Screen
  • Mduji
  • Mikjat
  • Picasti
  • Speedy Chrome
  • Veritasi

The Google Chrome Extensions Associated with the 'Add Extension' Pop-Up

PC security researchers strongly advise computer users to avoid installing any Web browser extension associated with the 'Add Extension' pop-up. There are numerous Web browser extensions that may cause a wide variety of issues with affected Web browser once they have been installed. The following are some of the potential issues that could arise from installing Web browser extensions associated with the 'Add Extension' pop-up:

  1. Web browser extensions associated with the 'Add Extension' pop-up may cause numerous advertisements to appear on the affected Web browser, making it irritating to use and difficult to browse the Web due to the constant interference.
  2. Web browser extensions associated with the 'Add Extension' pop-up could track the computer users' online activities, becoming a privacy risk
  3. Content associated with the 'Add Extension' pop-up and these Web browser extensions may expose computer users to threats or other, more threatening forms of unwanted online content.
  4. Web browser extensions that are promoted through the use of the 'Add Extension' pop-up may cause numerous performance problems on affected computers, making the affected Web browser slow or unstable because of their use of system resources and conflicts with other software.

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