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Danger level 7
Type: Trojans
Common infection symptoms:
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts
Other mutations known as:


HTML/ScrInject.B is a JavaScript Trojan that is also detected as Trojan.JS.QHA, Trojan-Downloader.JS.Agent.gfj or Trojan:JS/BlacoleRef.A. The main purpose of HTML/ScrInject.B is to modify webpages by inserting malicious iFrames into their HTML pages. The HTML iFrame element allows to plit the browser's window into different segments, each segment containing a different document. So when malicious iFrames are installed in particular webpages, it can result in flash advertisements that lead to other malware-related websites.

The system itself does not react to HTML/ScrInject.B in any way, because the links are activated within iFrames themselves when the user opens the website that already has the modified HTML pages. Although, if your antivirus program is up to date you might receive alerts from it regarding unsafe websites.

It has also been observed that HTML/ScrInject.B is commonly installed by other malware. So it means that the Trojan's presence indicates other possible malware infections. That would be quite logical considering that HTML/ScrInject.B urges users to click on the infected webpage segments, leading to other infected websites. It doesn't matter whether HTML/ScrInject.B is installed by other malware, or if it fools the user into downloading for malicious applications. The bottom line is that HTML/ScrInject.B brings nothing but trouble and in the end the target computer is swarmed with malicious applications.

Therefore, the user has to remove HTML/ScrInject.B immediately. The most efficient way to get rid of this Trojan is to use a powerful security for malware removal. Not to mention that a reliable program can also delete other infections related to HTML/ScrInject.B.

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How to manually remove HTML/ScrInject.B

Files associated with HTML/ScrInject.B infection:


  1. alex Oct 14, 2014

    that costs money though

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