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Fake error popups are spreading malware fast

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Fake error popups are spreading malware fast

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A dangerous cybercrime tool has surfaced in underground forums, making it far easier for attackers to spread malware. 

Instead of relying on hidden downloads, this tool pushes fake error messages that pressure you into fixing problems that never existed. Security researchers say this method is spreading quickly because it feels legitimate. The page looks broken. The warning feels urgent. The fix sounds simple. 

That combination is proving alarmingly effective for cybercriminals.

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How fake error malware attacks actually work

These attacks begin with a compromised website. When a visitor lands on the page, something looks wrong right away. Text appears broken. Fonts look scrambled. Visual elements seem corrupted. A pop-up then appears claiming the issue can be fixed with a browser update or a missing system font. A button offers to repair the problem instantly. 

Clicking that button copies a command to the clipboard and displays instructions to paste it into PowerShell or a system terminal. That single step launches the infection.

MALICIOUS CHROME EXTENSIONS CAUGHT STEALING SENSITIVE DATA

Fake error popups make a website look broken by scrambling text or fonts to create urgency and panic. (Jens Büttner/picture alliance via Getty Images)

Why this new tool changes the threat landscape

The tool behind these attacks is called ErrTraffic. It automates the entire process and removes the technical barriers that once limited cybercrime operations. For about $800, attackers get a full package with a control panel and scripted payload delivery. Analysts at the Hudson Rock Threat Intelligence Team identified the tool after tracking its promotion on Russian-language forums in early December 2025. 

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ErrTraffic works through a simple JavaScript injection. A single line of code connects a hacked site to the attacker’s dashboard. From there, everything adapts automatically. The script detects the operating system and browser. It then displays a customized fake error message in the correct language. The attack works across Windows, Android, macOS and Linux.

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The popups often claim a browser update or missing system font is needed to fix the problem. (Daniel Acker/Bloomberg via Getty Images)

Why security software struggles to stop it

Traditional malware defenses look for suspicious downloads or unauthorized installations. ErrTraffic avoids both. Browsers see normal text copying. Security tools see a legitimate system utility being opened manually. Nothing appears out of place. That design allows the attack to slip through protections that would normally stop malware in its tracks.

The success rate is deeply concerning

Data pulled from active ErrTraffic campaigns shows conversion rates approaching 60%. That means more than half of the visitors who see the fake error message follow the instructions and install malware. Once active, the tool can deliver infostealers like Lumma or Vidar on Windows devices. Android targets often receive banking trojans instead. The control panel even includes geographic filtering, with built-in blocks for Russia and neighboring regions to avoid drawing attention from local authorities.

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What happens after infection?

Once malware is installed, credentials and session data are stolen. Those compromised logins are then used to breach additional websites. Each newly hacked site becomes another delivery vehicle for the same attack. That cycle allows the campaign to grow without direct involvement from the original operator.

FAKE WINDOWS UPDATE PUSHES MALWARE IN NEW CLICKFIX ATTACK

Following the on-screen instructions can quietly trigger malware that steals passwords and personal data. (Kurt Knutsson)

Ways to stay safe from fake error malware

A few smart habits can significantly reduce risk when facing fake error pop-ups and browser-based traps.

1) Never run commands suggested by a website

Legitimate websites never ask you to copy and paste commands into PowerShell or a system terminal. Fake error malware relies on convincing messages that pressure you into doing exactly that. If a page instructs you to run code to fix a problem, close it immediately.

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2) Close pages that claim your system is corrupted

Fake error campaigns often use broken text, scrambled fonts or warnings about missing files to grab attention. As a result, these visuals create urgency and trigger fear. In reality, a real system problem never announces itself through a random website, so close the page right away.

3) Install updates only through official system settings

Real browser and operating system updates come from built-in update tools, not pop-ups on websites. If an update is needed, your device will notify you directly through system settings or trusted app stores.

4) Install strong antivirus software on every device

Strong antivirus software can help block malicious scripts, detect infostealers and stop suspicious behavior before damage spreads. This is especially important since fake error malware targets Windows, Android, macOS and Linux systems.

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 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.

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5) Use a data removal service to reduce exposure

Stolen credentials fuel the spread of fake error malware. Removing personal information from data broker sites can reduce the impact if login details are compromised and limit how far an attack can spread.

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.

6) Treat font and browser update pop-ups with suspicion

Claims about missing fonts or outdated browsers are a hallmark of these attacks. Modern systems manage fonts automatically, and browsers update themselves. A webpage has no reason to request manual fixes.

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If a real update is needed, the operating system will request it directly. A random webpage never should.

Kurt’s key takeaways 

Fake error malware works because it plays on a very human reaction. When something on a screen suddenly looks broken, most people want to fix it fast and move on. That split-second decision is exactly what attackers are counting on. Tools like ErrTraffic show how polished these scams have become. The messages look professional. The instructions feel routine. Nothing about the moment screams danger. But behind the scenes, one click can quietly hand over passwords, banking access and personal data. The good news is that slowing down makes a real difference. Closing a suspicious page and trusting built-in system updates can stop these attacks cold. When it comes to pop-ups claiming your device is broken, walking away is often the smartest fix.

Have you ever seen a pop-up or error message that made you stop and wonder if it was real? Tell us what it looked like and how you handled it by writing to us at Cyberguy.com.

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Valve is so behind on Steam Controller orders that some won’t ship until 2027

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Valve is so behind on Steam Controller orders that some won’t ship until 2027

Valve has some good news and bad news about Steam Controllers. The good news: if you make a reservation for a Steam Controller, the company will now show you one of three estimates of when you’ll be able to actually order your gamepad: by September 2026, by December 2026, or sometime in 2027. The bad news: any reservations made today “indicate a 2027 date for shipping,” Valve says.

“We have no plans to stop making Steam Controller,” according to Valve. “But as we look at the current demand compared to how many we know we can make by the end of the year, we want to manage expectations as much as we can with regards to when folks can expect to receive their order.”

Valve’s very good new Steam Controller went on sale in early May, and the initial rush led some people to run into frustrating problems with trying to check out ahead of the controllers eventually going out of stock. A few days later, the company announced that it would be implementing a reservations queue for interested buyers so they could get on a waitlist. If you’re on the waitlist, when you get notified that a Steam Controller is ready for you to buy, you have 72 hours to actually make the order.

“When we launched Steam Controller last month, we quickly saw that initial demand exceeded our expectations,” Valve says. “Switching to a reservation queue has (hopefully) cut down on the headaches on the customer side, and for us it’s also been helpful as we plan ahead and try to get as many out as quickly as we are able.”

All three of Valve’s big hardware products were delayed from a planned early 2026 launch because of the component crisis, Valve still hasn’t announced when the Steam Machine PC or Steam Frame VR headset might go on sale. However, just yesterday, Valve officially launched its big SteamOS 3.8 update with support for the Steam Machine. It’s also been importing a lot of hardware into the US as of late.

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McDonald’s AI drive-thru may take your next order

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McDonald’s AI drive-thru may take your next order

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The next time you pull up to a McDonald’s drive-thru, the voice taking your order may not be human. McDonald’s is testing a new AI-powered system called ArchIQ at five U.S. locations. The company has not said where those restaurants are located. The voice assistant, nicknamed Archy, can take drive-thru orders and has shown it can handle both English and Spanish.

For anyone who has repeated “no pickles” into a speaker box more than once, this could sound helpful. However, if you remember McDonald’s last AI drive-thru experiment, you may also wonder whether your burger order could somehow turn into a bag full of surprise McNuggets.

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WOULD YOU EAT AT A RESTAURANT RUN BY AI? 

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McDonald’s is testing an AI drive-thru system called ArchIQ at five U.S. restaurants. (Kurt “CyberGuy” Knutsson)

 

What is McDonald’s AI drive-thru?

ArchIQ is McDonald’s new AI system for restaurants. It can take drive-thru orders and also help with operations behind the scenes.

In a post on X, McFranchisee, an anonymous McDonald’s franchisee account, said the system is currently in five test stores and has processed more than one million transactions. The account also said about 90% of orders were completed without a human stepping in. That number sounds promising. Still, McDonald’s has not confirmed a nationwide launch date. For now, this remains a limited test.

The system also appears to connect with a bigger McDonald’s plan called “McDonald’s > NEXT.” CEO Chris Kempczinski described the strategy as a way to bring in more customers and improve restaurant productivity. The plan also includes menu changes, restaurant redesigns, technology upgrades and more focus on hospitality.

 

Why McDonald’s is testing AI ordering

Drive-thrus can get chaotic fast. Someone changes an order after the total appears. A child calls out from the back seat. Road noise makes the speaker hard to hear. Then the driver remembers the extra sauce after everything has already gone through. That is the type of pressure McDonald’s wants AI to handle.

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If ArchIQ works well, it could help restaurants move cars through the line faster. It may also reduce mistakes during busy hours. Workers could then focus more on preparing food, handling payments and helping customers who need a real person.

ArchIQ also appears to have a management role. In the same X post, McFranchisee described Archy as a tool that could alert managers to bottlenecks or other issues before they slow down operations. 

STARBUCKS USES CHATGPT TO SUGGEST DRINKS BASED ON MOOD AS EXPERT WARNS OF HIDDEN DOWNSIDES

The AI assistant, nicknamed Archy, can take drive-thru orders and may also help managers spot restaurant slowdowns. (McFranchisee)

 

McDonald’s tried AI drive-thru ordering before

This new test follows McDonald’s earlier AI drive-thru experiment with IBM. That program involved more than 100 restaurants. McDonald’s ended the test in 2024 after customers complained about order accuracy. Some mistakes also went viral, creating an embarrassing moment for McDonald’s and raising questions about whether the technology was ready for the drive-thru. Customers reported wrong items, strange quantities and other order mix-ups. That history is why this new test will get extra attention.

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This time, McDonald’s is working with Google technology. McFranchisee also claimed every McDonald’s in the U.S. is getting Google Edge Cloud hardware in anticipation of the rollout. McDonald’s seems to believe the newer system can perform better than the last one. The real test will come when regular customers use it during real drive-thru rushes.

 

How McDonald’s AI drive-thru could help customers

If McDonald’s gets this right, the most obvious benefit is speed. An AI ordering system does not get tired during a long shift. It may also help more customers order in the language they prefer. That could make a busy drive-thru feel less frustrating, especially during breakfast or late-night hours.

The system may also ask clearer follow-up questions and catch missing details before the order reaches the kitchen. That would be a win for customers who want to get in, get their food and get on with the day.

 

The biggest problem with AI drive-thru orders

The biggest concern is accuracy. AI can still misunderstand people. That gets frustrating fast when you are trying to grab lunch between errands or get your kids fed from the back seat. A wrong order wastes time. It also puts workers in the position of fixing a mistake the machine made.

There is also the customer service side. Some people like hearing a real person at the speaker. Others may find an AI voice cold or annoying, especially if the system gets confused.

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Then there is the privacy question. If an AI system takes your order, customers may wonder what gets collected, how long it is kept and who can access it. McDonald’s has not publicly explained those specifics for this current ArchIQ test.

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A drive-thru menu board stands outside a McDonald’s restaurant in Hercules, Calif., on Oct. 23, 2024, amid an E. coli outbreak linked to onions in Quarter Pounder sandwiches that has sickened dozens and killed one person across the U.S. (David Paul Morris/Bloomberg via Getty Images)

 

How to avoid AI drive-thru mistakes

Before you leave the drive-thru, take a moment to check the order screen. Make sure the items match what you said. Listen when the system repeats your order. Keep your receipt until you confirm the food is right.

Also, avoid sharing extra personal details at the speaker box. Your order should only require your food choices and payment.

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If the AI gets confused, ask for a crew member. You do not need to keep going back and forth with a machine over fries.

 

What this means for you

For now, you probably will not notice a change at your local McDonald’s. The ArchIQ test appears limited to five U.S. restaurants, and the company has not said when it could expand.

Still, this gives customers a preview of where fast food may be heading. AI could soon play a bigger role in how restaurants take orders and manage the kitchen. That may speed up the line, though it could also make the experience feel less personal.

 

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Kurt’s key takeaways

McDonald’s clearly wants AI to play a bigger role in its restaurants. From a business point of view, the idea makes sense. Shorter drive-thru lines could help franchisees and customers. Better restaurant data could also help managers fix problems faster. But I still want the human backup. Food orders can be messy because people are messy. We change our minds. We talk over each other. We forget the extra ketchup until the last second. AI may handle much of that one day. For now, I would treat it like any busy drive-thru interaction. Speak clearly. Check the order. Do not pull away until you know your food is right.

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Would you trust an AI voice to take your McDonald’s order, or do you still want a real person on the other end of the speaker? Let us know by writing to us at Cyberguy.com

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Midjourney goes from generating cat images to full-body ultrasound scans

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Midjourney goes from generating cat images to full-body ultrasound scans

Midjourney CEO David Holz just showed off the company’s first hardware product and plans to build a San Francisco spa, which he admitted is a bit different from the “cat pictures” produced by its AI image generator. Dubbed The Midjourney Scanner, it’s an ultrasound-based full-body scanner that uses a ring of sensors to capture vertical slices of the inside of your body, looking at the composition of your muscle, fat, bone, and organs to start. Holz said ideally, you could do this once a year or every single day, as it “aims for image quality comparable to MRI in many ways.”

He mentioned that one way he’d like to use it would be to see how his body changes in response to diet and workout changes, saying, “I’m not the most measured man on Earth yet, you know, but maybe I want to have that daily [measurable information].” A set of job listings advertises the company’s goal as trying to “build and launch the world’s first full-body ultrasound CT scanner, ultimately bringing safe, fast, and high fidelity preventative scanning to billions via a magical spa experience.”

The Midjourney Scanner was developed in a partnership with ultrasound tech company Butterfly Network, which said it uses “40 Butterfly Ultrasound-on-Chip imaging modules per system.”

The scanning process starts with stepping onto a platform that drops down into the water on rails through a ring of thousands of transducers that create ultrasonic waves. It then records the ripples passing through your body to analyze them and create detailed 3D images. The scan takes about 60 seconds. Holz said about a dozen people have been scanned so far.

It starts by stepping into a shallow pool of golden light. You then begin to descend into the water. Your body passes through a ring of underwater sensors, each acting like a dolphin, using its echolocation. The sensors send ultrasonic sound waves through your body from every angle. With enough waves, and enough angles, we form an image of what’s happening inside your body.

It combines those sensors with two petaflops of processing power. But after watching the livestreamed reveal, I’m still unclear on what Midjourney’s AI image generation tech exactly has to do with the Midjourney Medical effort, beyond an alternative business for otherwise-unused AI compute.

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Holz hopes to put 10 of the scanners into a Midjourney Spa location in San Francisco’s Union Square that will open before the end of 2027 and offered to scan the hands of attendees at its launch event. The Midjourney Spa will have a gym, saunas, and cold plunges to go along with the hot tub–equipped scanning rooms where visitors will get into the water to be scanned.

He did mention that various medical applications would require FDA clearances, but for now, Midjourney Medical says it’s working on “body composition maps” that don’t require the same level of clearance as diagnostic imaging. It also says the “library of scans” users create can be shared with doctors, AI health tools, or others, and that, “We take data privacy seriously — more details on our data policies will come as we get closer to launch.”

Holz suggested that eventually these scans could become better than an MRI, without radiation, powerful magnets, or other complicating factors, to get a look at what’s going on inside people’s bodies “real fast.” In response to a question, he imagined a future where the FDA had a class of devices to look at “weird” things and allowed people to “just try to get as much data as we can.”

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