Nedassium.com ads: what it is and how to remove it

Nedassium.com ads might start showing up on your screen all of a sudden when you don't expect them at all. There are also plenty of other users who deal with the exact same issue, and they have little knowledge of how these annoying pop-ups managed to enter their systems.

Facts checked October 6, 2026. Removal steps tested on Windows 11 (26H2) and checked against Microsoft's and the browser makers' current documentation. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.

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A quick scan confirms that the nedassium.com notifications did not lead to anything being installed.

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Do it yourself · free Remove Nedassium.com ads yourself 2 steps, about 6 minutes, no software needed.

Google ChromeMicrosoft EdgeMozilla Firefox

Nedassium.com: nedassium com push notification virus
Nedassium.com as our 2022 report showed it.

Nedassium.com ads: summary

DistributionDesktop notifications start showing up in particular time intervals after clicking on the "Allow" button upon the site entry
DamageIf you click on links provided by the website, you might end up infecting your system with malware/PUPs, disclosing your personal information to cybercriminals, or losing money for useless services
NameNedassium.com
TypePush notifications, ads, pop-ups, scam
SymptomsPush notifications show on the desktop at random time intervals. These popups show fake notices and push scams. Links can also lead to malware-laden sites
Detection namesNo Microsoft detection name is known
Removal

Scan the PC with security software to find and remove the malware and anything installed with it. Fortect scans Windows for malware and repairs the system files and settings it damaged.

Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free.
Show 7 more facts
Evidence4 write-ups by security sites; details still limited
Domainsnedassium.com
Ads shown asDesktop notifications
BrowsersChrome, Edge and Firefox
Installed on the PCNothing; a browser notification permission only
First seen10 February 2022
Facts checked6 October 2026

What the Nedassium.com ads ads look like

notification spam from a website

Click Allow if you are not a robot

Is Nedassium.com ads dangerous?

From our report of Feb 2022 · not reviewed since

Remediation

When it comes to Nedassium.com notification removal, the process itself is not difficult.

The problem is that many people are getting tricked into accepting push notifications, and the activity almost never starts straight away. Thus, many forget about what happened and continue with their daily routines, only later to be surprised by unexpected pop-ups. This makes it difficult for them to connect the dops, and they get stuck with the intrusive push notifications.

Warning: As long as you don't click on ads that the site promotes, you should be safe.

It is important to note that push notifications are not directly related to any virus or infection. Instead, it is the permission given to the site to send information through the feature. You need to access web browser settings and withdraw the permission you have provided to the website initially:

Google Chrome (desktop):

Google Chrome (Android):

MS Edge (Chromium):

MS Edge (legacy):

It is important to check for adware and malware whenever you spot any activity that seems to be out of the ordinary. It includes suspicious and intrusive ads, system crashes, new programs found to be installed on the device, strange mouse movements, high resource usage, suspicious processes running in the background, etc.

Another important note here is that adware could be the primary reason why one might end up on a scam website in the first place. These potentially unwanted programs are distributed in various deceptive ways, so many might not even be aware they are installed and running in the background.

The easiest way to do so is by running a full system scan with , , or another powerful security tool. Likewise, after the elimination of all threats, you should use repair and maintenance utility for best results. It can clean your web browsers from PUP leftovers to prevent tracking and fix any damage caused by infections.

  • Open Google Chrome browser and go to Menu > Settings.
  • Locate the Privacy and security section and pick Site Settings > Notifications.
  • Look at the Allow section and look for a suspicious URL.
  • Click the three vertical dots next to it and choose Block. This should remove unwanted notifications from Google Chrome.
  • Open Google Chrome and tap on Settings (three vertical dots).
  • Select Notifications.
  • Locate the unwanted URL and toggle the button to the left (Off setting).
  • Open Mozilla Firefox and go to Menu > Options.
  • Click on Privacy & Security section.
  • Under Permissions, you should be able to see Notifications. Click the Settings button.
  • In the Settings – Notification Permissions window, click on the drop-down menu by the URL in question.
  • Select Block and then click on Save Changes. This should remove unwanted notifications from Mozilla Firefox.
  • Open Microsoft Edge, and go to Settings.
  • Select Site permissions.
  • Go to Notifications on the right.
  • Under Allow, you will find the unwanted entry.
  • Click on More actions and select Block.
  • Click on Safari > Preferences...
  • Go to the Websites tab and, under General, select Notifications.
  • Select the web address in question, click the drop-down menu and select Deny.
  • Open Microsoft Edge, and click the Settings and more button (three horizontal dots) at the top-right of the window.
  • Select Settings and then go to Advanced.
  • Under Website permissions, pick Manage permissions and select the URL in question.
  • Toggle the switch to the left to turn notifications off on Microsoft Edge.
  • Open Internet Explorer, and click on the Gear icon at the top-right of the window.
  • Select Internet options and go to the Privacy tab.
  • In the Pop-up Blocker section, click on Settings.
  • Locate web address in question under Allowed sites and pick Remove.

From our report of Feb 2022 · not reviewed since

Nedassium.com is a malicious website designed to scam users

Nedassium.com ads might start showing up on your screen all of a sudden when you don't expect them at all.

There are also plenty of other users who deal with the exact same issue, and they have little knowledge of how these annoying pop-ups managed to enter their systems. It is not surprising, however, considering how the website uses all sorts of phishing techniques in order to make users subscribe to push notifications.

In most cases, users do not access websites like Nedassium.com on purpose but are instead redirected to them. This usually happens when a malicious link is clicked on a high-risk website (illegal software, gambling, crack, and similar); alternatively, embedded scripts might lead to redirects to scam sites. Adware could also be the primary reason for browser redirects, the system affected by the ad problem should always be checked for it.

As soon as people enter the website, they are presented with two elements that might look relatively ordinary:

There are plenty of variations of the Nedassium.com scan that one could see. On the one hand, the push notification prompt is likely not to be something new, as many websites are using it - it is commonly shown upon website entry. However, according to Mozilla's findings, most users do not accept the request in the first place, hence users rarely have any experience with the feature.

However, one of the primary reasons people get tricked is because the push notification prompt is presented as something different. To make it believable, crooks create fake scenarios where the "Allow" button within the prompt would represent some type of different functionality - here's one example:

This example is one of the most common messages used by crooks to confuse users. Here, it is implied that by pressing the "Allow" button, users would comply with the verification feature, which is very similar to captcha or similar verification methods (websites commonly use these to prevent dangerous DDoS attacks).

There are plenty of other similar requests, such as pressing the button to play a video or access some type of 18+ content.

Nedassium.com is not unique in regards to these scamming methods. Websites like Kexvideo.ru or Worldcoolfeed.com use identical techniques and even copy the template of the scam entirely.

There are thousands of such websites created by crooks regularly, so it is important to be aware of the scam to avoid the intrusive ads that show up on the screen regularly as a result. Fortunately, it is not difficult to remove them - just follow the tips below.

  • A push notification prompt which asks if notifications should be enabled
  • A correlating picture and a message in the background, encouraging to press the "Allow" button.
Nedassium.com: nedassium com push notification virus
Nedassium.com in our 2022 report.
Nedassium.com: stop notifications on ie
Nedassium.com in our 2022 report.

From our report of Feb 2022 · not reviewed since

More from our earlier report on Nedassium.com

  • Notifications can be disabled via the browser settings; in case you experience more ads and redirects to suspicious sites, you should also get rid of adware - use antivirus for quick elimination
  • Make sure you clean your browsers after you delete PUPs from the system.
  • To do that automatically, you can use

From our report of Feb 2022 · not reviewed since

The dangers of push notification scams

Push notifications are rather mysterious to many people, and many people mistakenly believe they are the same as ads.

However, they are not triggered by any user actions whatsoever and can show up at any time, as long as the browser is in operation or is running in the background. This means that users might be disturbed whenever they are streaming a video online, browsing their favorite social network, or have a browser opened while playing a video game, which might also take them out of the full-screen mode.

The disruptiveness of these ads is not the only thing that is problematic, however. Contents of the push notifications are the primary reason why Nedassium.com ads can be dangerous, as they commonly include links to other fake and malicious websites. The pop-ups can also embed fake warnings about computer security status, claiming that viruses have been detected or that security software has expired and the machine is in danger.

Thus, it is vital to stay away from the links that are shown within these notifications; otherwise, you might be tricked into installing dangerous software or spending money on fake services, where your credit card would be charged each month.

Nedassium.com: nedassium com push notifications
Nedassium.com in our 2022 report.

Check your browser and PC

  • Address: nedassium.com

How to remove Nedassium.com ads

How to stop Nedassium.com notifications

Do this in every browser you use, and in every profile inside it: each keeps its own list of sites allowed to send notifications.

Nothing has to be uninstalled for the notifications themselves.

Which browser shows the ads?

  1. Step 1: Remove nedassium.com from Chrome's notification list

    Open More (the three dots) > Settings > Privacy and security > Site settings > Notifications, or paste chrome://settings/content/notifications into the address bar.

    Under Allowed to send notifications, open the menu next to nedassium.com and choose Remove or Block, and do the same for any other address you do not recognise.

    Next to Not allowed to send notifications, click Add and enter nedassium.com, so the site cannot ask again. The menus are the same in Chrome on Windows 11 and Windows 10, and each Chrome profile keeps its own list.

    Chrome Settings, Notifications page with the allowed and not allowed site lists
    Chrome on Windows 11: Settings > Privacy and security > Site settings > Notifications.

    Full procedure with screenshots: Stop website notifications and pop-ups

Then, whichever browser you use

  1. Step 2: Scan the PC if you downloaded anything from the ads

    Most people who only saw the notifications can skip this step. If a notification or the page it opened made you download or run a file, delete the file and run a full scan, then a Microsoft Defender Offline scan.

    In Windows 11 and Windows 10 open Windows Security > Virus & threat protection > Scan options, select Microsoft Defender Antivirus (offline scan) and click Scan now. The PC restarts and the scan takes about 15 minutes, so save your work first.

    Windows Security Scan options with Microsoft Defender Antivirus offline scan selected
    Windows 11: Windows Security > Virus & threat protection > Scan options.

    Full procedure with screenshots: Run a Microsoft Defender Offline scan

Do not let government spy on you

The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices.

Avoid any unwanted government tracking or spying by going totally anonymous on the internet.

You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using VPN.

Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.

Backup files for the later use, in case of the malware attack

Computer users can suffer from data losses due to cyber infections or their own faulty doings.

Ransomware can encrypt and hold files hostage, while unforeseen power cuts might cause a loss of important documents. If you have proper up-to-date backups, you can easily recover after such an incident and get back to work. It is also equally important to update backups on a regular basis so that the newest information remains intact - you can set this process to be performed automatically.

When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware strikes out of nowhere. Use for the data restoration process.

Questions about Nedassium.com ads

nedassium.com keeps sending notifications. Is it a virus?

No. Notifications from nedassium.com come from a permission stored in the browser, not from a program installed in Windows. Someone clicked Allow on a prompt from that site, usually without realising what it meant, and the site now sends ads through the browser's notification system.

Antivirus scans often find nothing because there is nothing to find on the disk. Removing nedassium.com from the browser's list of allowed sites stops the messages for good. A scan is still useful if you clicked a notification and downloaded or ran something from the page it opened, because those downloads can be unwanted programs.

The nedassium.com notification said my PC is infected. Is it true?

No. Notifications from nedassium.com are adverts written to look like system messages. A website cannot scan your files, so it has no way to know whether your PC is infected; it shows the same warning to everyone who allowed its notifications. Real Windows Security messages name Windows Security in the bottom line, not a browser and a website.

If you want to be sure, open Windows Security from the Start menu and run a quick scan there. Then remove nedassium.com from the browser's notification settings so the fake warnings stop arriving. Do not call any number or buy anything the notification or its page suggests.

What is Nedassium.com?

Nedassium.com is a push-notification spam site, a kind of adware. It earns money by showing desktop notifications, and each view, click or redirect pays whoever runs it. It is not something people usually choose; it arrives through a free download, a fake button or a misleading prompt.

Nedassium.com does not encrypt files or take control of Windows, but its ads are sold to anyone, including scam operators, so they can lead to fake virus warnings and unwanted downloads. The steps in this guide remove it from Windows and from each browser.

Why does nedassium.com keep showing up?

There are two possible reasons. If it appears as desktop notifications, a browser on this PC was given permission to receive them from nedassium.com, usually through a misleading prompt. That permission stays until you remove it in the browser's site settings.

If it appears as tabs or redirects, an ad on a site you visit is opening it, or an extension or program on the PC is. Test a private window: if nedassium.com never appears there, an extension is the likely cause. The plan above covers each case.

Do I have to change settings in every browser?

Only in the browsers that allowed nedassium.com, but checking all of them takes a minute and is worth it. We saw the notifications in Chrome, Edge and Firefox. Chrome and Edge keep their notification lists under site settings, and Firefox under Privacy & Security > Permissions.

Remove nedassium.com and any other unfamiliar site from each list, then turn off new notification requests if you do not need them. Remember that every browser profile has its own list, so a second profile can keep the messages coming after you clean the first.

Are the pop-ups I see really from Nedassium.com?

Compare them with the details in the table above. Nedassium.com produces desktop notifications, and the clearest sign of it is notifications from nedassium.com. Other adware looks similar, so check the name of the sending site at the bottom of a notification, the address in the tab that opened, or the newest entries on the extensions page.

If those match, this guide fits. If you see a different name, the same kind of steps apply, but remove the item you actually find rather than guessing.

Is it safe to click Block or Allow on a notification prompt?

Clicking Block is safe; it only tells the browser not to show notifications from that site. Clicking Allow is not dangerous to your files either, but it gives the site a channel to your desktop that spam sites abuse at once.

The prompt itself is part of the browser, so you can trust its buttons. What you cannot trust is the text on the page around it. If a page explains why you must click Allow, choose Block or close the tab.

Can an adware pop-up infect my PC just by appearing?

No. A pop-up, a notification or a new tab is only a web page or a message. It cannot run programs on Windows by itself, provided the browser and Windows are up to date. Infection needs a step from you:

  • running a downloaded file
  • installing an extension
  • giving a stranger remote access

That is why scam pages work so hard to make you click. Close such pages with the tab's X or by closing the browser, not with buttons inside the page, which may start a download.

My scan found nothing, but the ads continue. Why?

Because the source may not be a file a scanner looks for. Browser notifications are a permission stored in the browser, and many adware extensions are not flagged because they come from an official store.

Some ad-supported programs are only reported if you enable detection of potentially unwanted apps. So a clean scan does not mean the job is done. Check each browser's notification permissions and extension list by hand, and turn on Potentially unwanted app blocking in Windows Security before scanning again.

Will Fortect remove Nedassium.com?

No program removes Nedassium.com itself, because there is nothing on the PC to remove: the notifications come through a permission saved in the browser, and only the browser's settings take it away, as the steps above show.

What Fortect can do is check the rest of Windows. Its free scan looks for malware, unwanted programs and damaged system files, which is useful if you clicked the ads, downloaded something from the pages they opened, or are not sure what else changed on the PC.

If the scan finds nothing and the notifications stopped after you removed the permission, this problem is solved. Use Microsoft Defender as a second opinion whenever you have downloaded files from pages like these.

Sources

  1. Imperva: Phishing attacks (read October 6, 2026)
  2. Mozilla Official blog: Say goodbye to annoying notification requests (unless you want them) (read October 6, 2026)
  3. Google Chrome Help: Use notifications to get alerts (no longer online) (read October 6, 2026)
  4. FTC: How to recognize, remove and avoid malware (read October 6, 2026)
  5. Microsoft Learn: Microsoft Defender Offline (read October 6, 2026)

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Questions and experiences: Nedassium.com ads

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