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This Malware Can Delete and Replace Your Entire Chrome Browser with a lookalike

This Malware Can Delete and Replace Your Entire Chrome Browser with a lookalike

Oct 20, 2015
Security researchers have uncovered a new piece of Adware that replaces your entire browser with a dangerous copy of Google Chrome , in a way that you will not notice any difference while browsing. The new adware software, dubbed " eFast Browser ," works by installing and running itself in place of Google Chrome The adware does all kinds of malicious activities that we have seen quite often over the years: Generates pop-up, coupon, pop-under and other similar ads on your screen Placing other advertisements into your web pages Redirects you to malicious websites containing bogus contents Tracking your movements on the web to help nefarious marketers send more crap your way to generating revenue Therefore, having eFast Browser installed on your machine may lead to serious privacy issues or even identity theft. What's Nefariously Intriguing About this Adware? The thing that makes this Adware different from others is that instead of taking contr...
Google Chrome adds automatic malware blocking for suspicious downloads

Google Chrome adds automatic malware blocking for suspicious downloads

Nov 02, 2013
Today Malware is a very real threat, and if you're not careful about what you download and install, you could end up with a serious problem. But now Google will be trying their very best to block malware from installing itself on your computer on your behalf. Google has developed a security feature for Chrome that lets the browser detect and stop malware downloads. The feature has been added to Chrome Canary, the latest version of the browser which is available to download in beta form now. All you'll see is a notification like the one below, which you can then dismiss: " These malicious programs disguise themselves so you won't know they're there and they may change your homepage or inject ads into the sites you browse. Worse, they block your ability to change your settings back and make themselves hard to uninstall, keeping you trapped in an undesired state. " wrote Linus Upson, a Google vice president, in a blog post . Google is implementing...
Someone Hijacked MEGA Chrome Extension to Steal Users' Passwords

Someone Hijacked MEGA Chrome Extension to Steal Users' Passwords

Sep 05, 2018
Warning! If you are using Chrome browser extension from the MEGA file storage service, uninstall it right now. The official Chrome extension for the MEGA.nz cloud storage service had been compromised and replaced with a malicious version that can steal users' credentials for popular websites like Amazon, Microsoft, Github, and Google, as well as private keys for users' cryptocurrency wallets. On 4 September at 14:30 UTC, an unknown attacker managed to hack into MEGA's Google Chrome web store account and upload a malicious version 3.39.4 of an extension to the web store, according to a blog post published by the company. Malicious MEGA Chrome Extension Steals Passwords Upon installation or auto-update, the malicious extension asked for elevated permissions to access personal information, allowing it to steal credentials from sites like Amazon, Github, and Google, along with online wallets such as MyEtherWallet and MyMonero, and Idex.market cryptocurrency trading...
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7 Chrome Extensions Spreading Through Facebook Caught Stealing Passwords

7 Chrome Extensions Spreading Through Facebook Caught Stealing Passwords

May 11, 2018
Luring users on social media to visit lookalike version of popular websites that pop-up a legitimate-looking Chrome extension installation window is one of the most common modus operandi of cybercriminals to spread malware. Security researchers are again warning users of a new malware campaign that has been active since at least March this year and has already infected more than 100,000 users worldwide. Dubbed Nigelthorn, the malware is rapidly spreading through socially engineered links on Facebook and infecting victims' systems with malicious browser extensions that steal their social media credentials, install cryptocurrency miners, and engage them in click fraud. The malware was pushed through at least seven different Chrome browser extensions—all were hosted on Google's official Chrome Web Store. These malicious Chrome browser extensions were first discovered by researchers at cybersecurity firm Radware, after a "well-protected network" of one of its custo...
Fake Bad Piggies Game hijack Google Chrome browser

Fake Bad Piggies Game hijack Google Chrome browser

Oct 05, 2012
Rovio's latest game, Bad Piggies, is now available via Google Play and the App Store, and as a PC and Mac download, but it has not yet made its way to the Chrome Web Store. These pigs can indeed fly - "Bad Piggies," the spinoff to the monster hit game "Angry Birds," set a new record by soaring to the top of the charts just three hours after release. Scammers have quickly taken advantage of this, introducing bogus versions of Bad Piggies into the Chrome Web Store that exist primarily to serve up in-browser advertisements thanks to a few plug-in permissions.  Barracuda Networks' lab today discovered a knock-off of the new and wildly popular "Bad Piggies" game which includes a phishing plug-in that may have injected an aggressive adware program into more than 82,000 Chrome browsers. The lack of a free online version for Bad Piggies left space for others to capitalize on the instant success of the game. Just days after the game launched, Jason Ding, a research sc...
4 Major Privacy and Security Updates From Google You Should Know About

4 Major Privacy and Security Updates From Google You Should Know About

May 07, 2021
Google has announced a number of user-facing and under-the-hood changes in an attempt to boost privacy and security, including rolling out two-factor authentication automatically to all eligible users and bringing iOS-styled privacy labels to Android app listings. "Today we ask people who have enrolled in  two-step verification  (2SV) to confirm it's really them with a simple tap via a Google prompt on their phone whenever they sign in," the company  said . "Soon we'll start automatically enrolling users in 2SV if their accounts are appropriately configured." Google Play To Get Apple-Like Privacy Labels The Google Play Store for Android is also getting a huge overhaul on the privacy front. The search giant said it plans to include a new  safety section  for app listings that highlights the type of data being collected and stored — such as approximate or precise location, contacts, personal information, photos and videos, and audio files — and how the dat...
100+ Fake Chrome Extensions Found Hijacking Sessions, Stealing Credentials, Injecting Ads

100+ Fake Chrome Extensions Found Hijacking Sessions, Stealing Credentials, Injecting Ads

May 20, 2025 Credential Theft / Browser Security
An unknown threat actor has been attributed to creating several malicious Chrome Browser extensions since February 2024 that masquerade as seemingly benign utilities but incorporate covert functionality to exfiltrate data, receive commands, and execute arbitrary code. "The actor creates websites that masquerade as legitimate services, productivity tools, ad and media creation or analysis assistants, VPN services, crypto, banking and more to direct users to install corresponding malicious extensions on Google's Chrome Web Store (CWS)," the DomainTools Intelligence (DTI) team said in a report shared with The Hacker News. While the browser add-ons appear to offer the advertised features, they also enable credential and cookie theft, session hijacking, ad injection, malicious redirects, traffic manipulation, and phishing via DOM manipulation. Another factor that works in the extensions' favor is that they are configured to grant themselves excessive permissions via...
Why We Love Android M (And You Should, Too!)

Why We Love Android M (And You Should, Too!)

Jun 11, 2015
Google has recently announced its latest version of the mobile operating system called Android M at its official Google I/O 2015 developer event May 28 in San Francisco. We don't know exactly what is the ' M ' stands for just yet. My guess is it could be Marzipan or maybe Milky Way. Let me know what you guys think, so write me your guesses down below in the comments. Android M is not going to be an immense move in look or architecture like Android Lollipop , but it is bringing some eye-catching upgrades that you are going to love. However, after a Google I/O event and having the Developer Preview of Android M and installing it in my Nexus 6, I have got a pretty good idea what I think are the top 10 Best New Features of Android M. PRIVACY AND APP CONTROL 1. Powerful App Permissions Manager: The biggest change that Google's Android M will bring is a granular permissions system, somewhat similar to what Apple has. Currently, Android app permissions...
Nation-State Hackers Deploy New Airstalk Malware in Suspected Supply Chain Attack

Nation-State Hackers Deploy New Airstalk Malware in Suspected Supply Chain Attack

Oct 31, 2025 Malware / Browser Security
A suspected nation-state threat actor has been linked to the distribution of a new malware called Airstalk as part of a likely supply chain attack. Palo Alto Networks Unit 42 said it's tracking the cluster under the moniker CL-STA-1009 , where "CL" stands for cluster and "STA" refers to state-backed motivation. "Airstalk misuses the AirWatch API for mobile device management (MDM), which is now called Workspace ONE Unified Endpoint Management," security researchers Kristopher Russo and Chema Garcia said in an analysis. "It uses the API to establish a covert command-and-control (C2) channel, primarily through the AirWatch feature to manage custom device attributes and file uploads." The malware, which appears in PowerShell and .NET variants, makes use of a multi-threaded command-and-control (C2) communication protocol and is capable of capturing screenshots and harvesting cookies, browser history, bookmarks, and screenshots from web browse...
New 'Brokewell' Android Malware Spread Through Fake Browser Updates

New 'Brokewell' Android Malware Spread Through Fake Browser Updates

Apr 26, 2024 Mobile Security / Cybercrime
Fake browser updates are being used to push a previously undocumented Android malware called  Brokewell . "Brokewell is a typical modern banking malware equipped with both data-stealing and remote-control capabilities built into the malware," Dutch security firm ThreatFabric  said  in an analysis published Thursday. The malware is said to be in active development, adding new commands to capture touch events, textual information displayed on screen, and the applications a victim launches. The list of Brokewell apps that masquerade as Google Chrome, ID Austria, and Klarna is as follows - jcwAz.EpLIq.vcAZiUGZpK (Google Chrome) zRFxj.ieubP.lWZzwlluca (ID Austria) com.brkwl.upstracking (Klarna) Like other recent Android malware families of its kind, Brokewell is capable of getting around restrictions imposed by Google that prevent sideloaded apps from requesting  accessibility service permissions . The ban...
PlushDaemon APT Targets South Korean VPN Provider in Supply Chain Attack

PlushDaemon APT Targets South Korean VPN Provider in Supply Chain Attack

Jan 22, 2025 Supply Chain Attack / Malware
A previously undocumented China-aligned advanced persistent threat (APT) group named PlushDaemon has been linked to a supply chain attack targeting a South Korean virtual private network (VPN) provider in 2023, according to new findings from ESET. "The attackers replaced the legitimate installer with one that also deployed the group's signature implant that we have named SlowStepper – a feature-rich backdoor with a toolkit of more than 30 components," ESET researcher Facundo Muñoz said in a technical report shared with The Hacker News. PlushDaemon is assessed to be a China-nexus group that has been operational since at least 2019, targeting individuals and entities in China, Taiwan, Hong Kong, South Korea, the United States, and New Zealand. Central to its operations is a bespoke backdoor called SlowStepper, which is described as a large toolkit consisting of around 30 modules, programmed in C++, Python, and Go. Another crucial aspect of its attacks is the hijackin...
Popular Chrome Extensions Leak API Keys, User Data via HTTP and Hard-Coded Credentials

Popular Chrome Extensions Leak API Keys, User Data via HTTP and Hard-Coded Credentials

Jun 05, 2025 Browser Security / Online Safety
Cybersecurity researchers have flagged several popular Google Chrome extensions that have been found to transmit data in HTTP and hard-code secrets in their code, exposing users to privacy and security risks. "Several widely used extensions [...] unintentionally transmit sensitive data over simple HTTP," Yuanjing Guo, a security researcher in the Symantec's Security Technology and Response team, said . "By doing so, they expose browsing domains, machine IDs, operating system details, usage analytics, and even uninstall information, in plaintext." The fact that the network traffic is unencrypted also means that they are susceptible to adversary-in-the-middle (AitM) attacks, allowing malicious actors on the same network such as a public Wi-Fi to intercept and, even worse, modify this data, which could lead to far more serious consequences. The list of identified extensions are below - SEMRush Rank (extension ID: idbhoeaiokcojcgappfigpifhpkjgmab) and P...
3 Google Play Store Apps Exploit Android Zero-Day Used by NSO Group

3 Google Play Store Apps Exploit Android Zero-Day Used by NSO Group

Jan 07, 2020
Watch out! If you have any of the below-mentioned file managers and photography apps installed on your Android phone—even if downloaded from the official Google Store store⁠—you have been hacked and being tracked. These newly detected malicious Android apps are Camero , FileCrypt , and callCam that are believed to be linked to Sidewinder APT, a sophisticated hacking group specialized in cyber espionage attacks. According to cybersecurity researchers at Trend Micro, these apps were exploiting a critical use-after-free vulnerability in Android at least since March last year⁠—that's 7 months before the same flaw was first discovered as zero-day when Google researcher analysed a separate attack developed by Israeli surveillance vendor NSO Group. "We speculate that these apps have been active since March 2019 based on the certificate information on one of the apps," the researchers said . Tracked as CVE-2019-2215 , the vulnerability is a local privilege escalation...
Malicious Browser Extensions Targeted Over a Million Users So Far This Year

Malicious Browser Extensions Targeted Over a Million Users So Far This Year

Aug 17, 2022
More than 1.31 million users attempted to install malicious or unwanted web browser extensions at least once, new findings from cybersecurity firm Kaspersky show. "From January 2020 to June 2022, more than 4.3 million unique users were attacked by adware hiding in browser extensions, which is approximately 70% of all users affected by malicious and unwanted add-ons," the company  said . As many as 1,311,557 users fall under this category in the first half of 2022, per Kaspersky's telemetry data. In comparison, the number of such users peaked in 2020 at 3,660,236, followed by 1,823,263 unique users in 2021. The most prevalent threat is a family of adware called WebSearch, which masquerade as PDF viewers and other utilities, and comes with capabilities to collect and analyze search queries and redirect users to affiliate links. WebSearch is also notable for modifying the browser's start page, which contains a search engine and a number of links to third-party sour...
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