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What you need to know about VajraSpy RAT, the cyber espionage tool that infiltrated Google Play

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What you need to know about VajraSpy RAT, the cyber espionage tool that infiltrated Google Play

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You might think that downloading an app from the app store is safe and easy, right? Well, not always. Sometimes, you might actually end up with a nasty surprise: an app that is actually spyware hiding behind a fake name and icon.

That’s what the VajraSpy RAT does. It’s a Trojan that targets Android devices and steals your data without you knowing. This is a real threat that has affected many Android users.

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Although VajraSpy has been removed from the Google Play Store, it’s still lurking out there on third-party app stores. Also, VajraSpy and the Patchwork APT group behind it are still active. They may attempt to infiltrate other platforms or modify their tactics to evade Google’s detection in the future.

To protect yourself, here’s what you need to know about VajraSpy RAT, the cyber espionage tool that’s infiltrated Google Play on Android.

CLICK TO GET KURT’S FREE CYBERGUY NEWSLETTER WITH SECURITY ALERTS, QUICK VIDEO TIPS, TECH REVIEWS AND EASY HOW-TO’S TO MAKE YOU SMARTER

Illustration of a hacker (Kurt “CyberGuy” Knutsson)

What is cyber espionage tool VajraSpy RAT?

VajraSpy is a remote access Trojan (RAT), which is a type of malware that’s designed to allow an attacker to control an infected device remotely. To get the RAT on your devices, scammers need you to download it to your system. Once the RAT is running on a compromised system — in this case, your Android — the attacker can send commands to it and receive data back in response.

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MORE: HOW TO CHANGE YOUR PRIVACY SETTINGS ON YOUR ANDROID DEVICES

What are some of cyber espionage tool VajraSpy’s capabilities?

Some of VajraSpy’s capabilities are accessing and taking your contacts, photos and messages. This even includes encrypted messages like those on WhatsApp. Also, searching and exfiltrating documents, images, audio and other types of files.

In addition, it can listen in on and record your phone calls (if granted the appropriate permissions) and activate your device’s camera to take pictures, turning it into a surveillance tool.

A person on social media on their Android (Kurt “CyberGuy” Knutsson)

MORE: BEWARE OF NEW ANDROID MALWARE HIDING IN POPULAR APPS

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How does cyber espionage tool VajraSpy RAT get onto your Android device?

VajraSpy gets onto an unsuspecting victim’s device via a malicious app. When the RAT was first discovered, it was on apps that were found on Google Play sometime between April 1, 2021, through Sept. 10, 2023.

ESET researchers uncovered the campaign report in 2022 when Patchwork APT — a hacking group primarily targeting people in Pakistan that’s been around since 2015 — exposed their campaign after unintentionally infecting their own infrastructure with another RAT they were experimenting with.

When this was leaked and VajraSpy was discovered, the infected apps on Google Play were taken down. But they can still be found in third-party apps, with some still getting through to Google Play anyway.

What are the third-party apps?

VajraSpy has been disguising itself primarily in news and messaging apps on Android. Some of the apps that researchers know about include:

  • Rafaqat رفاقت
  • Privee Talk
  • Chit Chat
  • Hello Chat
  • YohooTalk
  • MeetMe
  • Let’s Chat
  • Quick Chat
  • TikTalk
  • Nidus
  • GlowChat
  • Wave Chat

Google Play Protect protects users by automatically removing apps known to contain this malware on Android devices with Google Play Services. 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. If, for some reason, you still see these apps on your phone, be sure to manually uninstall them.

How to uninstall apps on Android

Settings may vary depending on your Android phone’s manufacturer. 

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  • Open the Settings app
  • Scroll down and select Apps
  • Tap on the app you want to delete and select Uninstall
  • Confirm your choice by tapping OK or Uninstall again

Have good antivirus software on all your devices

We also recommend going beyond Google Play Protect to keep yourself from having your data breached. As we all know, free is not always the way to go, especially when we are talking about antivirus protection. Keeping hackers out of your devices can be prevented if you have good antivirus software installed. Find my review of Best Antivirus Protection here.

How to keep yourself safe from cyber espionage tool VajraSpy RAT and other Trojans

Remember, the bad guys behind VajraSpy and similar malware perpetrators are pretty quick. They keep infecting new apps with this Trojan, so always keep an eye out by using the following tips:

Tip #1 – To avoid getting your Android infiltrated by VajraSpy RAT, don’t download any apps that are recommended by someone you don’t know or don’t know well. And if the message does come from someone you know, always be a little skeptical, especially if you have never heard of the app.

Tip #2 – Make sure to only download apps from reputable app stores you’re familiar with, too. Keep in mind, though, that these bad actors are able to get new apps to slip through the cracks of Google Play time and time again. Therefore, it’s important to employ a mix of different strategies to keep yourself safe.

Tip #3 – One way to know whether or not an app is safe is by looking at how many downloads it has. If it has a small number of downloads, chances are it could be a scam. Also, look at how many reviews it has and what those reviews are and do a quick check to see if someone mentioned it as a scam or not. A good rule of thumb is if you don’t need it, and you’re not sure, don’t download it.

The good news is that compared to other spyware apps, VajraSpy hasn’t been that successful. We know this by looking at the amount of downloads/installations of the apps it disguises itself as. That being said, those third-party app stores where you can still find a lot of these malicious apps don’t track downloads well, so it’s hard to know how many victims fell for VajraSpy there.

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A man on his Android phone (Kurt “CyberGuy” Knutsson)

MORE: BEWARE OF THIS MCAFEE GOOGLE CHROME AD SCAM

Kurt’s key takeaways

Though there are much bigger scams to be concerned with, letting your guard down could make you more vulnerable to attacks like this cyber espionage tool called VajraSpy RAT. To protect your Android and your data, just remember to be cautious if you see an invitation to download a messaging app from someone you don’t know well. Also, invest in antivirus software to protect your Android.

Have you ever received a strange message that asked you to download an app? What happened? Let us know by writing us at Cyberguy.com/Contact.

For more of my tech tips & security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.

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Ask Kurt a question or let us know what stories you’d like us to cover.

Answers to the most asked CyberGuy questions:

Copyright 2024 CyberGuy.com. All rights reserved.

Technology

Amazon updated 2023’s Fire HD 10 tablet with 4GB of RAM

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Amazon updated 2023’s Fire HD 10 tablet with 4GB of RAM

The Fire HD 8 that launched in 2024 was the last new addition to Amazon’s budget-minded tablet lineup, but the company has quietly updated the Fire HD 10 that debuted the year before. In 2023 it was offered with multiple storage configurations that each came with 3GB of RAM, but the 32GB version now ships with 4GB of RAM, and a small price bump from $139.99 to $154.99.

The Fire HD 10 with 64GB of storage still only comes with 3GB of RAM and the other specs for both tablets remain the same, including a 10.1-inch, 1,920 x 1,200 display, a 2GHz eight-core processor, a 13-hour battery, and expandable storage through a microSD card. The refreshed version is also only available for purchase with lock screen ads, but those can be removed after the fact by paying a one-time fee. If you’ve been eyeing this tablet but don’t want to pay a $15 premium for it, Amazon still sells the original 3GB/32GB model for $139.99, but stock may sell out.

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Cheap streaming box could hijack your home internet

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Cheap streaming box could hijack your home internet

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That cheap streaming box promising free movies, live sports and premium channels may come with a hidden cost you never agreed to pay.

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Security researchers are warning about a sprawling Android-based botnet called Popa. It has reportedly forced millions of consumer TV boxes to relay internet traffic tied to ad fraud, account takeovers and mass data scraping.

The concern goes beyond one shady app or one off-brand gadget. It points to a bigger problem sitting in living rooms across the country. Your home internet connection can be quietly used by strangers. In other words, that box connected to your TV may be doing more than streaming shows and movies.

THE TRICK TO SMOOTHER STREAMING AT HOME AND ON THE ROAD

A cheap streaming box promising free TV can secretly route stranger traffic through your home internet. (Phynart Studio/Getty Images)

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What cheap streaming box malware is doing

Popa is tied to the wider Vo1d and BADBOX-style ecosystem of compromised Android-based streaming devices. These are often unofficial TV boxes sold online under countless names. Many promise access to paid movies, sports or channels for a one-time price. That should be your first warning sign.

KrebsOnSecurity reports that Popa works less like a traditional botnet built for quick attacks and more like a persistent tunneling system. It can register a device, keep encrypted connections open and route traffic through that device when needed.

So what does that mean at home? Someone else’s internet traffic can appear to come from your house.

Why residential proxy networks put your home Wi-Fi at risk

A residential proxy uses a regular home internet address to send traffic. To a website, that traffic can look like it came from an ordinary household instead of a suspicious server farm.

That makes these networks valuable for people trying to hide mass scraping, fake ad clicks, account attacks or other shady activity. It also creates a scary problem for the person who owns the Wi-Fi.

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Your IP address could show up as the source, even though you had no idea anything was happening. The FBI has warned that compromised internet-connected devices can become part of BADBOX 2.0 and residential proxy services used for criminal activity. Those devices can include TV streaming boxes, digital projectors, digital picture frames and other connected gadgets.

For more on how attackers can abuse connected devices, see our report on how the FBI warned that more than 1 million Android devices were hijacked by malware.

How big the Popa Android TV botnet appears to be

The numbers are huge. Lumen’s Black Lotus Labs told Krebs that Popa averages between 1.5 million and 2.5 million distinct IP addresses each day. The system also reportedly relies on hundreds of internet addresses used to direct its activity.

Google previously said BADBOX 2.0 compromised more than 10 million uncertified devices running Android open-source software without Google’s built-in security protections. Google also said the devices were used for ad fraud and other digital crimes.

That is why this should get your attention. The box under your TV may look harmless. But if it came preloaded with sketchy streaming apps, required workarounds or promised too much for too little money, it may be putting your home network at risk.

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Why the NetNut link is disputed

The Popa story also includes a major dispute. Security firms Qurium and Synthient say Popa is linked to NetNut, a residential proxy provider owned by Alarum Technologies, a publicly traded Israeli company. Synthient said its analysis found traffic associated with NetNut coming from devices running Popa.

Alarum disputes the reports. The company says the claims contain flawed conclusions and rejects the characterization of the technology as a botnet. Alarum also says its SDKs are meant for bandwidth-sharing with notice, consent and safeguards. That disagreement is important. But for everyday households, the most important point stays the same. If a device or app can route someone else’s traffic through your home connection, you need to know before you plug it in.

How smart TV apps can use your home internet

This problem goes beyond cheap Android TV boxes. Krebs cited research from Spur, a proxy-tracking service, that found some smart TV apps can include hidden tools that share your home internet connection with outside companies.

Spur said more than 42% of LG webOS apps it reviewed had these components. It also found similar components in more than 25% of Samsung Tizen apps reviewed.

In response, a Samsung spokesperson told CyberGuy, “Samsung wants to reassure our customers that the third-party residential proxy SDKs recently reported in the media cannot access, collect, or store any personal information from the TV, such as account credentials, viewing history, or personal files.”

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Samsung said it has already restricted new app registrations that include those proxy functions.

“We are currently implementing strict platform-wide developer policies explicitly banning residential proxy SDKs, and we are working to identify and remove all apps currently available in our store that contain these components,” the company said.

“The privacy and security of our customers are our top priority, and we will continue to enforce our developer policies to ensure our platform remains safe and trustworthy,” the spokesperson added.

Samsung’s response sounds reassuring on personal TV data. Still, the bigger lesson is to be careful about what you install on any smart TV. Random games, free streaming apps or odd utilities can come with permissions or fine print that most people skip.

A TV remote makes it easy to click through prompts without reading much. That is important because an app may be able to use your home internet connection in ways you did not expect.

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Warning signs your streaming box may be unsafe

Be careful with any streaming device that promises free access to paid content. Also watch for Android boxes advertised as “unlocked,” “fully loaded” or loaded with premium channels.

The FBI lists several warning signs, including devices that require Google Play Protect to be disabled, apps from suspicious marketplaces, generic streaming boxes from unknown brands, Android devices that lack Play Protect certification and unexplained internet traffic.

If you see one of those signs, unplug the device from power and disconnect it from Wi-Fi or Ethernet.

How to protect your home from cheap streaming box malware

The good news is you do not need to be a cybersecurity expert to lower your risk. Start with the devices connected to your TV, then work outward to your router, apps and passwords.

1) Avoid “fully loaded” streaming boxes

Do not buy cheap Android TV boxes that promise free movies, live sports or paid channels. Those deals can come with malware, backdoors or proxy software. Stick with trusted streaming platforms and certified devices from known brands. A bargain stops looking like a bargain when it puts your home network at risk.

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2) Disconnect suspicious streaming devices

Unplug any no-name Android TV box, unlocked streaming device or gadget that required you to disable Google Play Protect. Then remove it from your router’s connected-device list. If unknown devices appear on your router, change your Wi-Fi password. After that, reconnect only the devices you recognize.

3) Check for Play Protect certification

If you use an Android TV device, check whether it is Play Protect certified. Uncertified Android devices may lack Google’s built-in security protections. A device that asks you to turn off security settings during setup deserves extra scrutiny. That setup step can be a major red flag.

Researchers say Popa-linked Android TV boxes may turn ordinary home Wi-Fi connections into residential proxy nodes. (skynesher/Getty Images)

4) Use only official app stores

Install apps only from official stores on your smart TV, Fire TV, Apple TV, Roku or Android TV device. Avoid sideloading, which means installing apps from outside the official app store, unless you fully trust the source. The FBI warns that unofficial marketplaces and required app downloads can increase the chance of infection.

5) Delete unused smart TV apps

Go through the apps on your smart TV and streaming devices. Remove games, utilities, free streaming apps and anything you no longer recognize. Pay close attention to apps that mention bandwidth sharing, proxy access or earning rewards from unused internet. Those tradeoffs can be buried in language most people would skip.

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6) Update your router and streaming devices

Keep your router, smart TV, streaming stick and other connected devices updated. Firmware updates often fix security holes that attackers love to exploit. Also, check whether your router supports automatic updates. Turn that on if available.

7) Check your router for unknown devices

Open your router app or router admin page and look at the connected-device list. Remove anything you do not recognize. Also, watch for devices sending unusual amounts of data. A streaming box should not be creating heavy outbound traffic when no one is watching anything.

8) Change passwords used on the device

If you signed into Google, streaming apps or other accounts on a suspicious TV box, change those passwords from a trusted phone or computer. Also, sign out of those accounts on other devices when the service gives you that option. Use a trusted password manager to create and store strong, unique passwords so one compromised account does not open the door to others. Check out the best expert-reviewed password managers of 2026 at Cyberguy.com

9) Delete sketchy free VPNs and extensions

Remove free VPNs, free streaming apps, coupon extensions, unknown browser extensions and apps that offer to pay you for bandwidth. A trusted VPN can help protect your privacy online, especially on public Wi-Fi. However, a VPN will not clean an infected streaming box or stop a shady TV app from abusing your connection. Use it as one layer, not your only defense. For the best VPN software, see my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android & iOS devices at Cyberguy.com

10) Put smart devices on a guest network

Create a separate guest or IoT network for TVs, streaming boxes, cameras, printers and other smart devices. That way, a compromised gadget has less access to your phones, laptops and personal files. Many newer routers make this fairly easy inside the router app.

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11) Run a full security scan

Run a full security scan on your computers and phones with trusted security software. This can help catch malware, risky downloads and suspicious files. But let’s be real here. Do not assume antivirus software can fully clean a cheap infected TV box. The FBI has warned that some compromised devices may come with malware before purchase or pick it up during setup. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com

12) Replace the device if you are unsure

A factory reset may sound like enough, but it may fail to remove malware that came preinstalled or lives deeper in the device. If the box came from an unknown brand, pushed you toward sketchy apps or required security workarounds, replacing it is the safer move.

13) Report suspicious activity

If you believe your device or network has been compromised, report it to the FBI’s Internet Crime Complaint Center at IC3.gov. Also, contact your internet provider if you see strange traffic or get abuse notices tied to your IP address.

Kurt’s key takeaways

The scary part here is how ordinary this can look. A cheap streaming box sits under your TV, works well enough and promises free content. Meanwhile, your home internet connection may be getting rented out or abused in ways you never approved. That to me is scary because most people would never think to check whether their TV box is sending traffic in the background. They just want to watch the game or a movie. But if the device came from an unknown brand, promised free paid content or required sketchy setup steps, it deserves a serious look. The safest move is to unplug anything suspicious, use certified streaming devices and keep your smart TV apps under control. Free TV can become expensive fast when your home internet gets dragged into someone else’s scheme.

Unplug suspicious streaming devices, check your router and stick with trusted apps from official stores. (iStock)

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Would you unplug a streaming box if you found out strangers might be routing their internet traffic through your home? Let us know by writing to us at Cyberguy.com

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Sony’s PlayStation disc factory is already being repurposed

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Sony’s PlayStation disc factory is already being repurposed

The video game disc is dead, and Sony’s been planning to kill it for some time, according to a report out of Austria. The man who leads Sony’s discmaking operations, Sony DADC president Dietmar Tanzer, told ORF Salzburg that the company’s Thalgau plant produces 600,000 discs every day, half of which are for PlayStation. But since it’ll only be making 10 percent of that volume in 2028, it’s planning to retrain all 300 employees to work on optical microlenses instead.

Thalgau isn’t just one of Sony’s disc plants. It’s where the disc-making division is headquartered, and appears to be its only remaining wholly owned disc manufacturing facility. Sony made discs in the United States for decades, originally in Terre Haute, Indiana and later in New Jersey, but it closed the latter plant in 2011 and moved all manufacturing from Indiana to Thalgau in 2022. Today, the Indiana facility markets itself to automakers who need help packaging and assembling headlights and the like instead.

This transition didn’t happen overnight. A behind-the-scenes video from December 2024 shows that the Thalgau plant was already working on microlenses as of then:

Those lenses, too, are created using discs:

ORF Salzburg writes that Sony has now invested €30 million to manufacture these microlenses, and that mass production may begin “as early as next year.”

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Microlenses are theoretically used in all kinds of emerging applications where you might want to bend light, including headsets, but it appears that Sony may cater to automakers here, too. The head of Sony’s micro optics division gave ORF Salzburg the example of “a car turn signal that is projected onto asphalt.”

All of this is to say: Sony didn’t make this decision in a hurry, and it isn’t likely to change its mind despite the predictable backlash. It’s been winding down disc manufacturing for decades, and it’s ripping off one last band-aid with PlayStation.

According to Sony DADC’s website, it has produced over 26.4 billion discs to date — the vast majority, 23 billion of them, were made between 1983 and 2022 in Terre Haute, Indiana.

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