“This Computer is BLOCKED” (ERROR 268D3) Scam – How to Remove It

“This Computer is BLOCKED” (ERROR 268D3) Scam – How to Remove It

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This article has been created with the main idea to help you understand what is the “This Computer is BLOCKED” tech support scam and how to remove the unwanted program causing them on your computer.

Yet another tech support scam has been found to roam around in the web. The scam has been detected by Twitter user @Takedownscammer. The scam, called “This Computer is BLOCKED” has been reported to display fake error messages, whose primary goal is to scare users into calling the tech support number. It may also lock the web browsers of victims and then show pop-up that Is very difficult to remove from victim PCs. If you have started seeing the “This Computer is BLOCKED” scam message on your machine, we recommend that you read this article and learn how you can remove those scamming messages thoroughly from your PC.

Threat Summary

Name"This Computer Is BLOCKED" Scam
TypeFake Tech Support
Short DescriptionDisplays a scamming message whose main goal is to get the victim to call the tech support scammers.
SymptomsA fake Microsoft Web Page appears, headed “This computer is BLOCKED”. Aims to convince victims to call a fake tech support number.
Distribution MethodLikely caused by a redirect from a compromised website or a PUP installed on the victim PC.
Detection Tool See If Your System Has Been Affected by "This Computer Is BLOCKED" Scam


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss "This Computer Is BLOCKED" Scam.

This Computer is BLOCKED – Distribution Methods

The This Computer is BLOCKED page may start to appear as a result of several possible scenarios. One of them is if you have a PUP (potentially unwanted program), such as adware or browser hijacker that pretends to be a useful program, but comes standard with a lot of advertisements that are added, like browser redirects, pop-ups and banners, one of which may have led your browser to be locked by the “This Computer is BLOCKED” screen. Such programs can be recognized by several symptoms, the main of which include the general computer slowness as well as different types of advertisements appearing on your PC. These unwanted programs are usually spread via various different types of third-party programs downloaded for free from websites that bundle the installers with optional offers.

Another way via which you may have started seeing the “This Computer is BLOCKED” message is if you have visited a compromised website. In some scenarios, cyber-criminals aim to deliberately compromise WordPress sites with low security level and then use this to their benefit by injecting JavaScript code into the WordPress site, which causes web browser redirection to the scamming page, each time you visit the site in question.

“This Computer is BLOCKED” – Analysis

Once you visit the web page, your web browser may become locked and you may start seeing the following page:

The web page also comes embedded with a pop-up that is extremely difficult to close, because it has a script which makes it reopen each time you close it. The pop-up has the following text:

Microsoft Store Products Support “3 “Mp‘m’ b BLOCKED l ERROR 25803 W Sign in
Do not close this window and restart your computer
Your computer‘s registration key is Blocked.
Why we blocked your computer?
The window‘s registration key is illegal.
This window is using pirated software.
This WlfldOW IS sending Virus over the mternet.
This window is hacked or used from undefined location.
We block this computer for your security
Contact microsoft helpline to reactivate you computer.
Microsoft Security Tolfree: +1-855-333-6776

When the tech support number itself is called, users are contacted with tech support “employees” with an Indian accent that often ask victims to give them remote access to their computers. In addition to this, the scammers may also request the victim to pay them a lot of money in order to fix an issue on their PC – an issue that positively does not exist. In addition to this, we have done a check up on the scammers themselves by checking if the number has been reported anywhere and the following reports have come to our attention in relation to 855-333-6776:

This company is operating a technical support call center that scams customers. They place advertisements on high traffic websites that imply there is something wrong with a user’s computer. Fake pop ups claiming your computer is infected are used to reel in innocent victims. After convincing a user to pay over the phone, the ‘technician’ requests to have remote access to your computer (taking control of it) using logmeinrescue.com. Once logged into your computer, the remote technician will attempt to trick you by fabricating errors or even viruses on your computer.

Clark Roda
He tricked me into paying him 350 CANADIAN DOLLARS.

I fell , for the popups on the computer and called, my husband then took over because I was late going somewhere and thank God our credit card company declined the sale. We had someone clean the computer the next day and they didn’t do anything. Again thankful that this computer is used solely for school work.

Remove “This Computer is BLOCKED” Scam PUP and Stop Ads

In case you continue to see advertisements showing the “This Computer is BLOCKED” web page or similar such, we recommend that you remove any programs that might be causing these pop-ups to appear and then installing an adblocked for future protection. One way to try and remove the “This Computer is BLOCKED” is by following the removal instructions underneath this article. They have been created to help you delete these pop-ups either manually or automatically from your PC. Be advised that the best method you can try according to security professionals is to download and run a system scan with an advanced anti-malware software. Such program aims to automatically detect and remove any programs that might be causing such web pages and intrusive ads to appear on your machine.

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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