google chrome - unknown script on every website when inspect element -


whenever inspect page website google chrome, script in page header always:

<script type="text/javascript" src="//js.ktwt.ru/main_en.js?guid=340fbe57eb2704a03d7e55d47615754e0c00e51f&amp;s=%5b%22youtube%22%2c%22noads%22%2c%22lang_en%22%2c%22youtube_downloader_ext%22%5d" charset="utf8"></script>

and iframe in body:

<iframe src="//s.ktbt.ru/t.html?d=www.google.com&amp;preload=%5b%22youtube%22%2c%22noads%22%2c%22lang_en%22%2c%22youtube_downloader_ext%22%5d" scrolling="no" style="width: 1px; height: 1px; margin: 0px; padding: 0px; overflow: hidden; display: none;"></iframe>

i'm curious know if malware or might affect pc, don't see of above when view page source. bitdefender , malwarebytes not detecting wrong.

do have idea? sure ending .ru not authentic!

after 2 weeks of :

  • internet investigations adsoffers, offerwizard
  • hard drive scanning ... none of antivirus have detected bad !?!

-> nothing rid of invasive attack on web scouting.

soluce :

i have used adblock extension of chrome browser.

i had @ "show resource list" of attacked webpage. can detect suspicious url traffic.

then :

  • i went adblock options
  • added filter list :

||js.ktbt.ru

||jso.donediv.net

||pub.adk2.co

for more info, how add filter url https://adblockplus.org/en/filters

things looks more under control, !!!

problem solved.


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