Technology
WhatsApp Web malware spreads banking trojan automatically
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A new malware campaign is turning WhatsApp Web into a weapon. Security researchers say a banking Trojan linked to Astaroth is now spreading automatically through chat messages, making the attack harder to stop once it starts.
The campaign is known as Boto Cor-de-Rosa. It shows how cybercriminals keep evolving, especially when they can abuse tools people trust every day. This attack focuses on Windows users and uses WhatsApp Web as both the delivery system and the engine that spreads the infection further.
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BROWSER EXTENSION MALWARE INFECTED 8.8M USERS IN DARKSPECTRE ATTACK
Attackers abuse WhatsApp Web to spread malware through messages that appear to come from people you trust. (Kurt “CyberGuy” Knutsson)
How this WhatsApp Web attack works
The attack starts with a simple message. A contact sends what looks like a routine ZIP file through WhatsApp. The file name appears random and harmless, which lowers suspicion. Once opened, the ZIP contains a Visual Basic script disguised as a normal document. If the user runs it, the script quietly pulls in two more pieces of malware. Then the script downloads the Astaroth banking malware written in Delphi. It also installs a Python-based module designed to control WhatsApp Web. Both components run in the background without obvious warning signs. From there, the infection becomes self-sustaining.
Malware that spreads itself through your contacts
What makes this campaign especially dangerous is how it propagates. The Python module scans the victim’s WhatsApp contacts and sends the malicious ZIP file to every conversation automatically. Researchers at Acronis found that the malware adapts its messages based on the time of day. It sends friendly greetings, making the message feel normal and familiar. The text reads, “Here is the requested file. If you have any questions, I’m available!” Because the message appears to come from someone you know, many people open it without hesitation.
NEW MALWARE CAN READ YOUR CHATS AND STEAL YOUR MONEY
A single ZIP file sent through chat can quietly install banking malware and begin spreading to every contact. (Kurt “CyberGuy” Knutsson)
Built-in tracking keeps the attack efficient
This malware is carefully designed to monitor its own performance in real time. The propagation tool tracks how many messages are successfully delivered, how many fail to send, and the overall sending speed measured per minute. After every 50 messages, it generates progress updates that show how many contacts have been reached. This feedback allows attackers to measure success quickly and make adjustments if something stops working.
What happens after infection
The initial script is heavily obfuscated to avoid detection by antivirus tools. Once it runs, it launches PowerShell commands that download more malware from compromised websites. One known domain used in this campaign is coffe-estilo.com. The malware installs itself inside a folder that mimics a Microsoft Edge cache directory. Inside are executable files and libraries that make up the full Astaroth banking payload. From there, the malware can steal credentials, monitor activity and potentially access financial accounts.
Why WhatsApp Web is being abused
WhatsApp Web is popular because it mirrors your phone conversations on a computer. That convenience makes it easy to send messages, share files and type faster, but it also introduces risk. When you use WhatsApp Web, you link your phone to a browser by scanning a QR code at web.whatsapp.com. Once connected, that browser session becomes a trusted extension of your account. Your chats appear on the screen, messages you send come from your real number and incoming messages sync across both devices.
That setup is exactly what attackers take advantage of. If malware gains access to a computer with WhatsApp Web logged in, it can act as the user. It can read messages, access contact lists and send files or links that look completely legitimate. The messages do not raise alarms because they are coming from a real account, not a fake one.
This is what turns WhatsApp Web into an effective delivery system for malware. Instead of breaking into WhatsApp itself, attackers simply abuse an open browser session to spread malicious files automatically. Many users do not realize the danger because WhatsApp Web feels harmless. It is often left signed in on work computers, shared devices or systems without strong security. In those situations, malware does not need advanced tricks. It only needs access to an already trusted session. That combination of convenience and trust is why WhatsApp Web has become such an attractive target.
MALICIOUS MAC EXTENSIONS STEAL CRYPTO WALLETS AND PASSWORDS
Once WhatsApp Web is compromised, malware can act like the user, sending messages and files that look completely legitimate. (Kurt “CyberGuy” Knutsson)
How to stay safe from WhatsApp Web malware
Attacks like this WhatsApp Web malware are designed to spread fast through trusted conversations. A few smart habits can dramatically lower your risk.
1) Be skeptical of unexpected attachments
Messaging apps feel casual, which is exactly why attackers use them. Never open ZIP files sent through chat unless you confirm with the sender first. Watch for file names made of random numbers or unfamiliar names. Treat messages that create urgency or feel overly familiar as a warning sign. If a file arrives out of nowhere, pause before clicking.
2) Lock down WhatsApp Web access
This campaign abuses WhatsApp Web to spread automatically once a device is infected. Check active WhatsApp Web sessions and log out of any you do not recognize. Avoid leaving WhatsApp Web signed in on shared or public computers. Enable two-factor authentication (2FA) inside WhatsApp settings. Cutting off Web access helps limit how far malware can travel.
3) Keep your Windows PC locked down and use strong antivirus software
This type of malware takes advantage of systems that fall behind on updates. Install Windows updates as soon as they are available. Also, keep your web browser fully updated. Staying current closes many of the doors attackers try to slip through. In addition, use strong antivirus software that watches for script abuse and PowerShell activity in real time.
The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.
Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com.
4) Limit how much of your personal data is online
Banking malware often pairs with identity theft and financial fraud. One way to reduce the fallout is by shrinking your digital footprint. A data removal service can help remove your personal information from data broker sites that attackers often search. With less information available, criminals have fewer details to exploit if malware reaches your device.
While no service can guarantee the complete removal of your data from the internet, a data removal service is really a smart choice. They aren’t cheap, and neither is your privacy. These services do all the work for you by actively monitoring and systematically erasing your personal information from hundreds of websites. It’s what gives me peace of mind and has proven to be the most effective way to erase your personal data from the internet. By limiting the information available, you reduce the risk of scammers cross-referencing data from breaches with information they might find on the dark web, making it harder for them to target you.
Check out my top picks for data removal services and get a free scan to find out if your personal information is already out on the web by visiting Cyberguy.com.
Get a free scan to find out if your personal information is already out on the web: Cyberguy.com
5) Add identity theft protection for extra coverage
Even with strong security habits, financial monitoring adds another layer of protection. An identity theft protection service can watch for suspicious activity tied to your credit and personal data. Identity theft companies can monitor personal information like your Social Security number (SSN), phone number, and email address, and alert you if it is being sold on the dark web or being used to open an account. They can also assist you in freezing your bank and credit card accounts to prevent further unauthorized use by criminals.
You should also turn on alerts for bank and credit card transactions so you are notified quickly if something looks wrong. The less exposed your data is, the fewer opportunities attackers have to cause damage.
See my tips and best picks on how to protect yourself from identity theft at Cyberguy.com.
6) Slow down and trust your instincts
Most malware infections happen because people act too quickly. If a message feels off, trust that instinct. Familiar names and friendly language can lower your guard, but they should never replace caution. Take a moment to verify the message or file before opening anything. Attackers rely on trust and urgency to succeed. Slowing down takes away their advantage.
Kurt’s key takeaways
This WhatsApp Web malware campaign is a reminder that cyberattacks no longer rely on obvious red flags. Instead, they blend into everyday conversations and use familiar tools to spread quietly and quickly. What makes this threat especially concerning is how little effort it takes for it to move from one device to dozens of others. A single click can turn a trusted chat into a delivery system for banking malware and identity theft. The good news is that small changes make a big difference. Paying attention to attachments, locking down WhatsApp Web access, keeping devices updated and slowing down before clicking can stop these attacks cold. As messaging platforms continue to play a bigger role in daily life, staying alert is no longer optional. Awareness and simple habits remain some of the strongest defenses you have.
Do you think messaging apps are doing enough to protect users from malware that spreads through trusted conversations? Let us know by writing to us at Cyberguy.com.
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
The AirPods Pro 3 are $50 off right now, nearly matching their best-ever price
Less than a week ago, Apple announced the forthcoming AirPods Max 2, a pair of over-ear headphones that leverage the company’s H2 chip for AI-powered live translation, conversation awareness, and a host of newer features. However, if you’re okay with a pair of earbuds, the AirPods Pro 3 offer access to all the same features for less — especially given they’re currently on sale at Amazon, Walmart, and Best Buy for $199.99 ($50 off), matching their second-best price to date.
For iPhone owners, nothing else really compares to the AirPods Pro 3. Apple’s latest pair of premium earbuds deliver the best active noise cancellation and richest sound of any AirPods model to date, combined with a more comfortable, angled design that fits securely and naturally in your ear canal. They also feature a new XXS ear tip size and a more robust IP57 rating for sweat and water resistance, making them better suited for long-distance runs and various gym activities.
Speaking of workouts, the Pro 3 can also pull double duty as a fitness tracker, thanks to a built-in heart rate sensor that works with Apple’s Fitness app to track calories burned across more than 50 workout types. It’s a welcome addition if you don’t use an Apple Watch; however, it may not be as useful for those who already own and rely on Apple’s wearable for its health tracking and wellness features.
Lastly, as mentioned up top, the AirPods Pro 3 also boast an H2 chip, allowing for the aforementioned real-time translation features and Apple’s newer Voice Isolation tech, which uses machine learning to isolate and enhance voice quality by removing unwanted background noise. That’s on top of their seamless integration with other Apple devices, mind you, which lets you take advantage of automatic device switching and a Find My-compatible charging case.
Technology
Fake Google security page can turn your browser into a spying tool
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A new phishing scam is tricking people into installing malware by pretending to be a Google security check. The page looks convincing and tells you that your Google account needs additional protection. It walks you through a simple setup process that appears to strengthen your security and protect your devices.
If you follow those steps, you may end up installing what looks like a harmless security tool. In reality, security researchers say the page installs a malicious web app that can spy on your device. It can steal login verification codes, watch what you copy and paste, track your location and quietly send internet traffic through your browser.
The most troubling part is that nothing is technically hacked. Instead of exploiting a software flaw, attackers simply trick you into granting the permissions they need. Once that happens, your own browser can start working for them without you realizing it.
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THE #1 GOOGLE SEARCH SCAM EVERYONE FALLS FOR
The fake site mimics a Google security page and urges visitors to complete a quick “account protection” setup. (AP Photo/Don Ryan, File)
All about the fake Google security page
Security researchers at Malwarebytes, a cybersecurity company, recently discovered a phishing website that pretends to be part of Google’s account protection system. The site uses the domain google-prism[.]com and presents what looks like a legitimate security page asking you to complete a short verification process. Visitors are told they should complete a four-step setup to improve their account protection. The page explains that these steps will help secure your Google account and protect your devices from threats. During the process, the site asks you to approve several permissions and install what it claims is a security tool.
The tool it installs is actually a Progressive Web App. This type of application runs through your browser but behaves like a regular app on your computer. It opens in its own window, can send notifications and can run tasks in the background. Once installed, the malicious web app can collect contacts, read information you copy to your clipboard, track GPS location data and attempt to capture one-time login codes sent to your phone. These codes are commonly used when you sign in to accounts that use two-factor authentication.
The fake security page may also offer an Android companion app described as a “critical security update.” Researchers found that this app requests 33 permissions, including access to text messages, call logs, contacts, microphone recordings and accessibility features. Those permissions give attackers the ability to read messages, capture keystrokes, monitor notifications and maintain control over parts of the device. Even if the Android app is never installed, the web app alone can still collect sensitive information and quietly run activity through your browser.
How it works and why it matters to you
The scam works because it looks like something you would normally trust. Many people expect security alerts from the services they use, especially when it comes to protecting email or cloud accounts. Attackers take advantage of that trust by presenting the fake page as a helpful security feature. When you approve the permissions and install the web app, you are essentially giving the attackers access to certain parts of your device. One of the main things they try to capture is one-time passwords. These are the short codes you receive when logging in to accounts that require two-factor authentication.
If attackers manage to capture those codes while also knowing your password, they may be able to break into your accounts. That could include your email, financial services, or cryptocurrency wallets, depending on which accounts you use. The malware also watches what you copy and paste. Many people copy cryptocurrency wallet addresses before sending digital currency, and those addresses can be valuable to criminals. The malicious app can collect that information and send it back to the attackers.
Another feature allows attackers to route internet requests through your browser. This means they can run online activity through your device so it appears to come from your home network. The app can also send notifications that look like security alerts or system warnings. When you click those notifications, the app opens again and gains another opportunity to capture information such as login codes or clipboard data.
Google says built-in protections can block the threat
After learning about the phishing campaign, we asked Google about the malicious site and whether users are protected.
A Google spokesperson told CyberGuy that several built-in security systems are designed to stop threats like this before they cause harm.
“We can confirm that Safe Browsing in Chrome warns any user who tries to visit this site. Chrome also shows a confirmation dialog whenever anyone attempts to download an APK. Android users are automatically protected against known versions of this malware by Google Play Protect, which is on by default on Android devices with Google Play Services.”
Google also said that its current monitoring shows no apps containing this malware are available on the Google Play Store.
ANDROID MALWARE HIDDEN IN FAKE ANTIVIRUS APP
Even if malicious apps are installed from outside official stores, Google says Android devices still have an additional layer of protection. Google Play Protect can warn users or block apps known to exhibit malicious behavior, including apps installed from third-party sources.
However, it is important to note that Google Play Protect may not be enough. Historically, it isn’t 100% foolproof at removing all known malware from Android devices, which is why we recommend additional strong antivirus software to detect malicious downloads, suspicious browser activity and phishing attempts before they cause serious damage. It acts as an early warning system that helps block dangerous apps and websites before they gain access to your device or your data.
During the process, users are prompted to approve permissions and install what appears to be a security tool. (iStock)
Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com.
7 ways to protect yourself from fake security pages
If you ever come across a suspicious “security check” like this, a few simple habits can help you avoid falling into the trap and protect your accounts and devices.
1) Never run security checks from random websites
Google does not ask you to install security tools through pop-ups or unfamiliar websites. If a page claims your account needs a security check, close the tab and go directly to Google’s official account page by typing the address yourself. Visiting the real account settings page prevents attackers from redirecting you to a fake site.
2) Check website addresses carefully before trusting them
Phishing pages often use domains that look similar to real companies. Attackers rely on people clicking quickly without paying attention to the address bar. If the website address is not an official Google domain, do not trust it. Even a small change in the spelling can indicate a fake site designed to steal information.
3) Remove suspicious web apps from your browser
If you installed an app through a website and it opens like a standalone program, check your browser’s installed apps or extensions list. Remove anything you do not recognize or do not remember installing. Uninstalling the app immediately prevents it from collecting more information or running commands through your browser.
4) Check your Android phone for unfamiliar apps
Researchers say the malicious Android app may appear as “Security Check” or “System Service.” If you see unfamiliar apps with these names, review the permissions they request and remove them if they look suspicious. Apps asking for extensive permissions such as SMS access, accessibility features, and microphone control should always be investigated.
5) Use a password manager for your accounts
A password manager helps you create and store strong, unique passwords for every account you use online. If attackers obtain one password, they will not automatically gain access to other accounts. Password managers can also help prevent you from entering credentials on fake sites because they usually refuse to auto-fill on lookalike domains.
Check out the best expert-reviewed password managers of 2026 at Cyberguy.com
6) Enable two-factor authentication whenever possible
Two-factor authentication (2FA) adds an extra layer of protection beyond your password. Even though this attack tries to capture SMS verification codes, many services allow you to use authenticator apps instead. These apps generate login codes on your device and make it much harder for attackers to intercept them.
7) Monitor your accounts for unusual activity
If you think you interacted with a suspicious security page, keep a close eye on your accounts over the following days. Watch for login alerts, password reset emails, or transactions you do not recognize. Acting quickly after suspicious activity can help prevent attackers from gaining full control of your accounts.
Pro tip: Reduce how easily scammers can target you
Scammers often gather personal details from data broker sites to make phishing messages look more convincing. A data removal service can help remove your personal information from many of those databases, reducing the amount of information criminals can use to impersonate companies or craft targeted scams.
Check out my top picks for data removal services and get a free scan to find out if your personal information is already out on the web by visiting Cyberguy.com
Get a free scan to find out if your personal information is already out on the web: Cyberguy.com.
Researchers say the malicious web app could collect login codes, clipboard data and other sensitive information. (Felix Zahn/Photothek via Getty Images)
Kurt’s key takeaway
Attackers are changing tactics. Instead of breaking into systems through technical flaws, they are relying on convincing security messages that persuade people to install tools themselves. All of us rely on familiar brands like Google when making security decisions, and attackers know that. Preventing these scams will likely require faster action against impersonation sites and stronger safeguards around what web apps are allowed to do once installed.
Should companies like Google be required to automatically block lookalike domains that pretend to run official security checks before people fall for them? Let us know by writing to us at Cyberguy.com
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Sign up for my FREE CyberGuy Report. Get my best tech tips, urgent security alerts and exclusive deals delivered straight to your inbox. Plus, you’ll get instant access to my Ultimate Scam Survival Guide — free when you join my CYBERGUY.COM newsletter.
Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Jury finds Elon Musk’s ‘stupid tweets’ caused Twitter investors’ losses
A California jury determined that Elon Musk misled Twitter investors before making a $44 billion deal to buy the company in 2022, reports CNBC. The New York Times reports that Musk had testified this month that he didn’t believe his posts would spook markets, but he did say that “If this was a trial about whether I made stupid tweets, I would say I’m guilty.”
CNBC reports Musk’s attorneys are expected to file an appeal, as damages could reach as high as $2.6 billion, according to attorneys representing the plaintiffs.
While finding that Musk did not engage in a specific scheme to defraud shareholders, the jury cited two of Musk’s tweets, from May 13th and May 27th, 2022, as materially false or misleading, causing some investors to sell shares in Twitter at values below the $54.20 per share bid.
Twitter deal temporarily on hold pending details supporting calculation that spam/fake accounts do indeed represent less than 5% of users
20% fake/spam accounts, while 4 times what Twitter claims, could be *much* higher.
My offer was based on Twitter’s SEC filings being accurate.
Yesterday, Twitter’s CEO publicly refused to show proof of
This deal cannot move forward until he does.
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