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How to stop defensivereaction.cfd from showing notifications

Also Known As: Ads by defensivereaction.cfd
Damage level: Medium

What kind of page is defensivereaction[.]cfd?

After examining the defensivereaction[.]cfd page, we found that it is an untrustworthy page running a scam similar to "McAfee - Your PC is infected with 5 viruses!". Also, this site wants to show notifications. Our team has discovered defensivereaction[.]cfd while visiting and examining pages that use rogue advertising networks.

defensivereaction[.]cfd ads

Defensivereaction[.]cfd in detail

Defensivereaction[.]cfd displays a fake antivirus scanner that detects fake threats. Also, this page shows a fake system warning claiming that Windows operating system is infected with viruses and other malicious applications. It states that viruses must be removed and system damage repaired.

Defensivereaction[.]cfd urges visitors to run the virus removal procedure immediately. It instructs to click the "Renew License" button to proceed with the malware removal. Typically, pages like defensivereaction[.]cfd redirect to legitimate websites (with an affiliate ID in the URL address).

Pages like defensivereaction[.]cfd are owned by affiliates who aim to trick visitors into purchasing legitimate software (in this case, McAfee antivirus) via their page. Legitimate companies like McAfee have nothing to do with defensivereaction[.]cfd and similar pages.

One more detail about defensivereaction[.]cfd is that it asks for permission to show notifications. Usually, notifications from pages like this one promote various scams, phishing pages, shady (or even malicious) applications, etc. Thus, defensivereaction[.]cfd and similar pages should never be allowed to show notifications.

Threat Summary:
Name Ads by defensivereaction.cfd
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names N/A (VirusTotal)
Serving IP Address 5.45.87.12
Symptoms Seeing advertisements not originating from the sites you are browsing. Intrusive pop-up ads. Decreased Internet browsing speed.
Distribution Methods Deceptive pop-up ads, false claims within visited websites, unwanted applications (adware)
Damage Decreased computer performance, browser tracking - privacy issues, possible additional malware infections.
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
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To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Websites of this type in general

In most cases, sites like defensivereaction[.]cfd are visited accidentally. They get opened via torrent sites, illegal movie streaming pages, installed adware, shady advertisements, etc. There are many pages like defensivereaction[.]cfd. All of them display deceptive content.

Examples of similar sites are pc-tools-2022[.]xyz, resourceslatest[.]com, and reserve-availability[.]cfd.

How did defensivereaction[.]cfd gain permission to deliver spam notifications?

Defensivereaction[.]cfd shows notifications because it has been allowed to do so. This permission is granted by clicking the "Allow" button (displayed by a browser) while visiting pages. Websites cannot show notifications without permission.

How to prevent deceptive sites from delivering spam notifications?

Do not trust web pages claiming that clicking the "Allow" button will play a video, prove that you are not a robot, download some file, continue loading the page, etc. Legitimate sites never show such messages. Click the "Block" or similar button when shady pages ask you for permission to show notifications or close them.

If you are receiving unwanted notifications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Appearance of defensivereaction[.]cfd website (GIF):

defensivereaction[.]cfd website appearance (GIF)

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Disable unwanted browser notifications:

Video showing how to disable web browser notifications:

Google Chrome logoRemove spam notifications from Google Chrome:

Click the Menu button (three dots) on the right upper corner of the screen and select "Settings". In the opened window select "Privacy and security", then click on "Site Settings" and choose "Notifications".

Disable web browser notifications in Google Chrome (step 1)

In the "Allowed to send notifications" list search for websites that you want to stop receiving notifications from. Click on the three dots icon near the website URL and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Google Chrome (step 2)

Android logoRemove spam notifications from Google Chrome (Android):

Tap the Menu button (three dots) on the right upper corner of the screen and select "Settings". Scroll down, tap on "Site settings" and then "Notifications".

Disable web browser notifications in Google Chrome - Android (step 1)

In the opened window, locate all suspicious URLs and tap on them one-by-one. Once the pop-up shows up, select either "Block" or "Remove" (if you tap "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Google Chrome - Android (step 2)

Mozilla Firefox logoRemove spam notifications from Mozilla Firefox:

Click the Menu button (three bars) on the right upper corner of the screen. Select "Settings" and click on "Privacy & Security" in the toolbar on the left hand side of the screen. Scroll down to the "Permissions" section and click the "Settings" button next to "Notifications".

Disable web browser notifications in Mozilla Firefox (step 1)

In the opened window, locate all suspicious URLs and block them using the drop-down menu or either remove them by clicking "Remove Website" at the bottom of the window (if you click "Remove Website" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Mozilla Firefox (step 2)

Microsoft Edge logoRemove spam notifications from Microsoft Edge:

Click the menu button (three dots) on the right upper corner of the Edge window and select "Settings". Click on "Cookies and site permissions" in the toolbar on the left hand side of the screen and select "Notifications".

Disable web browser notifications in Microsoft Edge (step 1)

Click three dots on the right hand side of each suspicious URL under "Allow" section and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Microsoft Edge (step 2)

Safari logoRemove spam notifications from Safari (macOS):

Click "Safari" button on the left upper corner of the screen and select "Preferences...". Select the "Websites" tab and then select "Notifications" section on the left pane.

Disable web browser notifications in Safari - macOS (step 1)

Check for suspicious URLs and apply the "Deny" option using the drop-down menu or either remove them by clicking "Remove" at the bottom of the window (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)

Disable web browser notifications in Safari - macOS (step 2)

How to avoid browser notification spam?

Internet users should be very skeptical when being asked to allow notifications. While this is a useful feature that allows you to receive timely news from websites you like, deceptive marketers frequently abuse it.

Only allow notifications from websites that you fully trust. For added security - use an anti-malware application with a real-time web browsing monitor to block shady websites that tries to trick you into allowing spam notifications. We recommend using Combo Cleaner Antivirus for Windows.

Frequently Asked Questions (FAQ)

Why am I seeing ads (browser notifications) delivered by defensivereaction[.]cfd in the right lower corner of my desktop?

Defensivereaction[.]cfd cannot show notifications without permission. The same applies to any website. Defensivereaction[.]cfd displays notifications because it has been allowed to do so (the "Allow" button was clicked while visiting it).

I have clicked on notification ads, is my computer infected?

Notifications cannot harm computers. However, they can open websites used to distribute malware.

Is defensivereaction[.]cfd a virus?

Defensivereaction[.]cfd is not a virus. It promotes various scams, questionable (and legitimate) applications, and websites.

Will Combo Cleaner remove defensivereaction[.]cfd ads automatically or manual steps are still required?

Combo Cleaner will scan your computer and stop defensivereaction[.]cfd from displaying notifications. It will remove permissions granted for this page and block all further access to it. No additional steps will be required.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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