Remove "CRITICAL ALERT – Automatic disinfection failed" Pop-Ups - How to, Technology and PC Security Forum |

Remove “CRITICAL ALERT – Automatic disinfection failed” Pop-Ups

CRITICAL ALERT – Automatic disinfection failed is a tech support scam that generates intrusive pop-ups and uses Microsoft’s name to trick users into calling a specific phone number. The pop-ups could appear in full-screen mode and may also lock-up your browsers preventing you from using it properly.

The scareware approach used in the pop-ups is nothing new as it has been used in dozens of other scams. The only purpose of the CRITICAL ALERT – Automatic disinfection failed and similar attempts is to trick you into calling the provided number, +1 (833) 244-7113.

A tech support scammer will be expecting you on the other side of the line, and will likely do his best to convince you into giving remote access to your computer to fix the issues described in the pop-up message. Calling this number may compromise you in several ways. Your personal information and data could be stolen or damaged, malware can be planted on your system which could spy on your activities, etc. You could also be offered to buy a specific program, and you may need to reveal your payment and personal information.

So, what should you do if you have been affected by the CRITICAL ALERT – Automatic disinfection failed pop-ups? This article should help you.

Threat Summary

NameCRITICAL ALERT – Automatic disinfection failed
TypeTech Support Scam
Short DescriptionA tech support scam that is trying to scare you that you have a legitimate alert generated by Microsoft about a virus found on your PC. You are provided with a phone number to a supposed Microsoft tech support team.
SymptomsThe message may lock your screen. Pop-up boxes, messages, and redirects appear in your browser.
Distribution MethodFreeware Installations, Bundled Packages
Detection Tool See If Your System Has Been Affected by CRITICAL ALERT – Automatic disinfection failed


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User ExperienceJoin Our Forum to Discuss CRITICAL ALERT – Automatic disinfection failed.

CRITICAL ALERT – Automatic disinfection failed – Details

The full text used by this tech support scam is the following:

Windows Antivirus – Critical Alert
Alert: The page you tried to visit turns out to be infected and your computer is at risk.
It is possible that we disable your internet connection to prevent the spread of the virus on our network.
Disinfection of the computer is however possible: Call for Help
Automatic disinfection failed.
From now on, only a Windows technician is able to intervene and prevent data loss.
CONTACT THE Windows SUPPORT TO: +1 (833) 244-7113 (Free and non-premium call)
Data loss can occur in 200 seconds if a Windows technician does not assist you in time.

As visible by the text, the scammers are using Microsoft’s reputation to trick you into calling a number. You should keep in mind that Microsoft does not display such messages and does not work with any technicians over the phone. Furthermore, Microsoft’s only anti-virus protection is called Windows Defender, and it does not generate such pop-ups.

The CRITICAL ALERT – Automatic disinfection failed scareware pop-ups are displayed with the sole purpose of making you believe that your computer is infected because you visited a website. However, establishing the nature of these pop-ups does not clarify the reasons behind their sudden appearance. So, why are you seeing the “CRITICAL ALERT – Automatic disinfection failed” pop-ups?

CRITICAL ALERT – Automatic disinfection failed – Distribution Technique

The spread of the “CRITICAL ALERT – Automatic disinfection failed” scam message could be done with the help of suspicious domains that load in your browser after a visit of another corrupted website. So, you truly may have visited a suspicious website, as claimed by the message, that triggered the scareware pop-ups. If you visited a suspicious website and clicked on an ad, your browsers settings may have been altered to displayed the annoying fake error pop-ups.

Another reason to see the CRITICAL ALERT – Automatic disinfection failed scam message in your browser is the presence of a potentially unwanted program on your computer. Such a program probably tricked you into allowing its installation during the configuration of another program. So, the PUP associated with the appearance of the CRITICAL ALERT – Automatic disinfection failed tech support scam may have landed on your system along the download of a freeware program. Free programs tend to have compromised installers that come bundled with ad-supported software.

Remove CRITICAL ALERT – Automatic disinfection failed Pop-Ups

Before actually getting to the point of removal of the unwanted software that may be causing the CRITICAL ALERT – Automatic disinfection pop-ups, you will need to close your browser first, which cannot be done conventionally. However, the following steps should help you:

Step 1: Press CTRL+ALT+DEL.
Step 2: Open Task Manager.
Step 3: Right-Click on Google Chrome (chrome.exe) and click on End Process. If this doesn’t work, right-click again and click on End Process Tree.

After you have done this, you should follow the removal instructions underneath and remove the unwanted program either manually or automatically. It is advisable to download and scan your computer, using an advanced anti-malware program if you want to secure it and keep it protected in the future. Such a program will fully remove any intrusive programs and malware that may currently be residing on your PC.

Milena Dimitrova

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum since the beginning. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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