Adware on Betternet chrome extension

Sometime when clicking to any urls on internet, chrome redirects to ads sites like or something like this. Also see pornographic ads on new tab

  • Mac OS Sierra 10.12.5 (16F73)
  • Chrome Version 59.0.3071.109 (Official Build) (64-bit)

TL;DR: Remove Betternet out of chrome

Steps to debug and figure out adware

Step 1. Hold ads site on tab, don’t close it because it’s hard to find logs later

Step 2. Open Chrome DevTools, go to console tab

Step 3. I saw chrome has some unknown logs from insertion.js:189, comes from extension with ID = gjknjjomckknofjidppipffbpoekiipm

Step 4. Goto chrome://extensions/ and find gjknjjomckknofjidppipffbpoekiipm, it’s betternet

Step 5. Figure out more, google search with term “betternet extension adware”, here is best write-up about this

Step 6. Expand source of

  • My browser is redirected/injected to a fucking FB campaign, Pixel ID = 1666009176948198

      <!-- Facebook Pixel Code -->
      {n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)}
      fbq('init', '1666009176948198'); // Insert your pixel ID here.
      fbq('track', 'PageView');
      <noscript><img height="1" width="1" style="display:none"
      <!-- DO NOT MODIFY -->
      <!-- End Facebook Pixel Code -->
  • This url in source of ads site

      ❯❯ nslookup
      Non-authoritative answer:
  • whois this domain:

  • which ports are opened?

      ❯❯ sudo nmap
      Starting Nmap 7.40 ( ) at 2017-06-25 16:58 +07
      Nmap scan report for (
      Host is up (0.53s latency).
      Not shown: 987 closed ports
      21/tcp   open  ftp
      22/tcp   open  ssh
      25/tcp   open  smtp
      53/tcp   open  domain
      80/tcp   open  http
      106/tcp  open  pop3pw
      110/tcp  open  pop3
      143/tcp  open  imap
      443/tcp  open  https
      465/tcp  open  smtps
      993/tcp  open  imaps
      995/tcp  open  pop3s
      8443/tcp open  https-alt
      Nmap done: 1 IP address (1 host up) scanned in 60.24 seconds

What should I do?

  • Remove this Betternet chrome extension
  • Report to google