Fake ChatGPT Ad Blocker Chrome Extension Caught Spying on Users

A fake Chrome browser extension called 'ChatGPT Ad Blocker' was harvesting conversations of ChatGPT users in the name of offering an ad-free experience...

Minor update for Vivaldi Android Browser 7.8

Head to the Google Play Store and download the browser. Alternatively, you can download Vivaldi from Uptodown, the Android app store. Your rating for our browser matters. ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ Enjoy! Changelog The following is a list of changes since the initial 7.8 stable release: Ad blocker Improvements...

New Clickfix variant ‘CrashFix’ deploying Python Remote Access Trojan

In January 2026, Microsoft Defender Experts identified a new evolution in the ongoing ClickFix campaign. This updated tactic deliberately crashes victims’ browsers and then attempts to lure users into executing malicious commands under the pretext of restoring normal functionality. This variant...

New Clickfix variant ‘CrashFix’ deploying Python Remote Access Trojan

In January 2026, Microsoft Defender Experts identified a new evolution in the ongoing ClickFix campaign. This updated tactic deliberately crashes victims’ browsers and then attempts to lure users into executing malicious commands under the pretext of restoring normal functionality. This variant...

CrashFix Chrome Extension Delivers ModeloRAT Using ClickFix-Style Browser Crash Lures

Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary commands using ClickFix-like lures to deliver a...

Minor update (5) for Vivaldi Desktop Browser 7.7

Download Vivaldi The following improvements were made since the fourth 7.7 minor update: Upgraded to 142.0.7444.237 ESR Incl. CVE-2025-14174 CrashAd Blocker API cleanup VB-122877 CrashBookmarks Observer list cleanup VB-122145 CrashmacOS Accessing tabs after they have been hibernated VB-109565...

Pi-hole Ad-Blocker Detection (DNS)

DNS TCP and UDP based detection of the Pi-hole Ad-Blocker. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Pi-hole Ad-Blocker Detection (Linux/Unix SSH Login)

SSH login-based detection of Pi-hole Ad-Blocker. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Pi-hole Ad-Blocker Detection Consolidation

Consolidation of Pi-hole Ad-Blocker detections. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 42 Update: mozilla-ublock-origin-1.64.0-1.fc42

An efficient blocker: easy on memory and CPU footprint, and yet can load and enforce thousands more filters than other popular blockers out there. Flexible, it's more than an "ad blocker": it can also read and create filters from hosts files...

How Opera for Android’s revamped ad blocker improves your browsing experience

News, Privacy How Opera for Android’s revamped ad blocker improves your browsing experience Share December 11th, 2024 Hi Opera users! At Opera, we know how intrusive advertising can disrupt your browsing experience by turning it into a frustrating maze of pop-ups. That’s why we have included a...

A week in security (November 11 – November 17)

Last week on Malwarebytes Labs: Malicious QR codes sent in the mail deliver malware 122 million people’s business contact info leaked by data broker Advertisers are pushing ad and pop-up blockers using old tricks Scammer robs homebuyers of life savings in $20 million theft spree Temu must respect...

A week in security (June 10 – June 16)

Last week on Malwarebytes Labs: Truist bank confirms data breach Update now! Google Pixel vulnerability is under active exploitation Adobe clarifies Terms of Service change, says it doesn’t train AI on customer content 23andMe data breach under joint investigation in two countries When things go...

Google’s Ad Blocker Crackdown Is Growing

Plus: North Korean supply chain attacks, a Russian USB worm spreads internationally, and more...

YouTube shows ads for ad blocker, financial scams

After performing local experiments for a few months, YouTube recently expanded its effort to block ad blockers. The move was immediately unpopular with some users, and raised some questions in Europe about whether it was breaking privacy laws. In addition, there are some still some fundamental...

YouTube's Ad Blocker Detection Believed to Break EU Privacy Law

A complaint filed with the EU’s independent data regulator accuses YouTube of failing to get explicit user permission for its ad blocker detection system, potentially violating the ePrivacy Directive...

How your Opera browser keeps you safe from spyware and other cyber threats

Privacy, Security How your Opera browser keeps you safe from spyware and other cyber threats Share August 11th, 2023 Hi everyone! In our digital age, your online security is often under threat. From phishing scams to spyware and direct hacking attempts, your personal data is often in the crosshai...

WordPress Ad Blocker Notify Lite Plugin <= 2.4.0 is vulnerable to Cross Site Scripting (XSS)

Software Ad Blocker Notify Lite Type Plugin Vulnerable versions = 2.4.0 Fixed in N/A OWASP Top 10 A3: Injection Classification Cross Site Scripting XSS CVE CVE-2023-33999 Patch priority Medium CVSS severity Medium 7.1 Developer Claim ownership PSID ed8dd91a7730 Credits Rafie Muhammad Patchstack...

A week in security (May 8-14)

Last week on Malwarebytes Labs: The rise of "Franken-ransomware," with Allan Liska: Lock and Code S04E11 Ransomware review: May 2023 Brightline breach hits at least 964,000 people, US records show Ransomware attack on MSI led to compromised Intel Boot Guard private keys Fake system update drops...

YouTube is testing ad blocker detection

YouTube is dipping a toe into the muddy waters of ad-blocker blocking, with ad-blocker using Redditors complaining about a popup that warns "Ad blockers are not allowed on YouTube," when they visit the site. Image source: Reddit user Sazk100 The popup message explains that "Ads allow YouTube to...