How to block olsi5.xyz notification spam

What kind of page is olsi5[.]xyz?

Our research team found olsi5[.]xyz while investigating suspicious websites. After examining this rogue page, we learned that it uses a fake McAfee Safety Warning scam to trick visitors into enabling browser notifications. If permission is granted, olsi5[.]xyz sends unwanted advertisements directly to the desktop.

Olsi5[.]xyz in detail

At the time of our investigation, olsi5[.]xyz displayed a page designed to impersonate McAfee security software. It presented a red-and-white alert branded with the McAfee logo, falsely claiming the visitor had recently browsed compromised websites and that the computer might currently be under virus threat.

The fake warning included a prominent Run Quick Scan button. Clicking it does not run any real scan - it is purely a social engineering device used to create panic. The page also displayed a browser notification permission prompt alongside the scam content.

It is worth noting that olsi5[.]xyz may serve different content depending on the URL path. Visitors using different links could encounter entirely different lures on the same domain.

Once permission is granted, olsi5[.]xyz pushes spam ads to the device. During our research, these notifications advertised photo gift products, styled to resemble legitimate retail promotions. Their purpose is to drive traffic to affiliate pages or other questionable destinations.

Interacting with these notifications carries real risks. Clicking them may lead to phishing pages designed to steal passwords, banking details, or personal data. Other common destinations include fake tech support sites that pressure users into calling fraudulent helplines by falsely claiming the computer is infected.

Notifications can also promote potentially unwanted applications or lead to sites distributing actual malware. Even ads for seemingly real products may be part of affiliate fraud. If olsi5[.]xyz has been allowed to send notifications, permission should be revoked immediately to avoid financial loss, account compromise, or additional infections.

More on similar pages

Pages like olsi5[.]xyz are most commonly reached through redirects generated by rogue advertising networks, often encountered while browsing torrent sites, illegal streaming platforms, or adult content pages. In other cases, users may arrive after clicking misleading buttons or pop-ups on low-quality websites, or after spam browser notifications from other rogue sites chain into further redirects. Adware installed on the device can also generate automatic redirects to pages of this type.

Additional examples of websites similar to olsi5[.]xyz are flashpushalerts[.]top, monsyntoribry[.]com, and uncythathfal[.]com.

How did olsi5[.]xyz gain permission to deliver spam notifications?

Browsers require explicit user permission before any website can send notifications. If ads from olsi5[.]xyz are appearing on the desktop, it means the site was visited at some point and the Allow option was clicked when the notification prompt appeared.

How to prevent deceptive sites from delivering spam notifications?

Any page that asks you to click Allow in order to watch a video, confirm you are human, or download a file is using a deceptive tactic. If such a prompt appears, click Block instead - or simply close the page.

If unwanted notifications continue to appear, we recommend running a scan with Combo Cleaner Antivirus for Windows to identify and remove any underlying causes automatically.

Appearance of olsi5[.]xyz website (GIF):

Notification delivered by olsi5[.]xyz:

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:

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.

Quick menu:

• What is Ads by olsi5.xyz?
• STEP 1. Remove spam notifications from Google Chrome
• STEP 2. Remove spam notifications from Google Chrome (Android)
• STEP 3. Remove spam notifications from Mozilla Firefox
• STEP 4. Remove spam notifications from Microsoft Edge
• STEP 5. Remove spam notifications from Safari (macOS)

Disable unwanted browser notifications:

Video showing how to disable web browser notifications:

Remove 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".

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).

Remove 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".

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).

Remove 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".

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).

Remove 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".

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).

Remove 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.

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)

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 olsi5[.]xyz in the right lower corner of my desktop?

Browser notifications can only be sent by a website after you explicitly give it permission. Since ads from olsi5[.]xyz are appearing, you most likely visited the page at some point and clicked Allow on the notification prompt it displayed.

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

Clicking a notification ad by itself is not enough to infect the computer. That said, the websites or content these ads lead to can be dangerous - they may expose the user to scams, unwanted software downloads, or malicious pages.

Is olsi5[.]xyz a virus?

Olsi5[.]xyz is not a virus, but it qualifies as a threat. Pages like this are routinely used to push scam content, unwanted software, and links to malicious sites onto users who have allowed their notifications.

Will Combo Cleaner remove olsi5[.]xyz ads automatically or manual steps are still required?

Yes. Combo Cleaner will scan the device, revoke any notification permissions granted to olsi5[.]xyz, and block the site from being accessed going forward. No manual steps are required.