In recent months, Android users have faced a growing threat from two seemingly harmless applications: Wuta Camera and Max Browser. These apps, once widely available on the Google Play Store, have been identified as carriers of the Necro Trojan malware—a sophisticated strain impacting millions of devices globally. If you use Android, it’s crucial to understand how these apps compromise your device and what steps you can take to protect yourself.
The Rise of Necro Trojan
The Necro Trojan has emerged as one of the most significant threats to Android users in 2025. According to cybersecurity reports, this malware has infected over 11 million Android devices by exploiting compromised advertising software development kits (SDKs) . What makes Necro particularly dangerous is its ability to evade detection using steganography, a technique that hides malicious code within legitimate files such as images or videos .
How Wuta Camera and Max Browser Spread the Threat
Wuta Camera and Max Browser were among the most popular apps in their categories, with Wuta Camera boasting over 10 million downloads and Max Browser surpassing 1 million installations . These apps appeared legitimate, offering useful features like enhanced photography and fast web browsing. However, they quietly embedded the Necro Trojan, which allowed attackers to execute arbitrary code, steal sensitive data, and even maintain persistent access to infected devices .
The infection chain typically begins when a user downloads an app containing the compromised SDK. Once installed, the malware communicates with remote servers to download additional payloads, effectively turning the device into a part of a larger botnet or exposing it to further exploitation .
Why This Matters to You
Even though Google has since removed both Wuta Camera and Max Browser from the Play Store , the threat persists for users who downloaded the apps before the takedown. Devices that still have these apps installed may remain vulnerable unless properly cleaned and updated. Cybersecurity experts recommend immediate action to remove any traces of these applications and ensure all other apps are up to date .
Additionally, this incident highlights a broader concern about third-party SDKs and supply chain vulnerabilities. As more apps rely on external components to speed up development, the risk of inadvertently introducing malicious elements increases .
Steps to Protect Your Device
If you suspect you may have installed either Wuta Camera or Max Browser, follow these steps to secure your Android device:
- Uninstall the App Immediately: Go to Settings > Apps > > Uninstall.
- Check for Updates: Ensure your remaining apps and operating system are updated to the latest versions.
- Run a Full System Scan: Use a trusted mobile security solution to scan your device for any residual threats.
- Monitor for Suspicious Activity: Watch for unusual behavior such as unexpected ads, rapid battery drain, or unfamiliar background processes.
Conclusion
The discovery of the Necro Trojan in Wuta Camera and Max Browser serves as a timely reminder of the ever-evolving landscape of mobile threats. While Android remains a robust platform, vigilance is key. Always download apps from trusted sources, keep your device updated, and stay informed about emerging security advisories. By taking proactive measures, you can significantly reduce your exposure to malware and keep your personal data safe.