While most users assume downloading apps from the Google Play Store is safe, a massive campaign of malicious applications has proven otherwise. Security researchers have uncovered a shocking 331 malicious apps that collectively amassed over 60 million downloads. Yeah, that’s million with an M. These apps bypassed Android 13‘s supposedly robust security measures and have been wreaking havoc since early 2024.
The malicious apps didn’t exactly announce their bad intentions. They masqueraded as innocent utility, fitness, and lifestyle applications, complete with harmless-looking icons and descriptions. Classic wolf in sheep’s clothing stuff. Developers employed a clever trick: publish clean versions first, then sneak in the malicious code through updates. Smart, but absolutely terrible for users.
Once installed, these apps released a nightmare of intrusive full-screen ads, attempted credential theft through phishing, and even tried stealing credit card information. The worst part? They hid their icons from the launcher and could launch without user interaction. Good luck finding and deleting something you can’t even see.
The technical wizardry behind these apps is almost impressive—if it weren’t so harmful. They abused DisplayManager.createVirtualDisplay API, exploited Android 13 security loopholes, and used encrypted communications. The campaign, codenamed Vapor, has been responsible for sophisticated attacks that cybersecurity experts are still analyzing. This attack method shares similarities with the Dirty Stream attack which affected billions of users worldwide through path traversal vulnerabilities. Using techniques similar to infostealer trojans, these apps employed keylogging techniques to capture sensitive login credentials. The developers weren’t amateurs, that’s for sure.
Users unfortunate enough to download these apps found their devices practically unusable, bombarded with non-stop ads while their personal data was siphoned away. Meanwhile, the developers created multiple accounts to avoid raising suspicion, with each account hosting just a few apps. They made bank from fraudulent ad impressions.
Google has since removed the identified apps and enhanced Play Protect warnings. But the damage is done. Sixty million downloads. Let that sink in. The lesson? Even the Google Play Store isn’t the safe haven we thought it was. Those permission requests you mindlessly accept? Maybe start reading them. Your data depends on it.