Categories: Malware

4.2 Million Android Mobile Infected by “ExpensiveWall” Malware That Can Control Your Mobile Wallet

A New Google Play Store Android Malware called “ExpensiveWall” Discovered that can able to Control the Android Mobile wallet by sending fraudulent premium SMS messages which leads to charge for fake services.

“ExpensiveWall” Infected almost 50 + Android Application and Downloads of this Apps Estimated Around 1 million and 4.2 million.

This New Variant Family has Discovered on earlier time of 2017 and the entire malware family has now been downloaded between 5.9 million and 21.1 million times.

This Expensive Malware Is Completely Packed . Malware authors are Encrypt the Source code and also used Advanced obfuscated Technique to Evade the Google Play Security.

Also Read : Beware!! All Android Versions Up to 7.0 are Vulnerable to Toast Overlay Attack

How Does ExpensiveWall Android Malware Works

ExpensiveWall is Specially designed for Generating Profits from its Targeting Victims and also using Google Play Store, that is the fastest way to Targeting huge number of Victims.

Initially, Once Expensive Malware is Downloaded, it  asks Permission from users to access Internet, Message, and other Sensitive Permissions.

Most of the User will give Permissions without thinking the security. In This Case, Many of the Applications seeking Permission for Legitimate Purpose but Few of them are performing Malicious Activities.

App Permissions Leads  to connect  its C&C server – and SMS permissions – which enable it to send premium SMS messages and register users for other paid services all without the users knowledge.

Here, There is an Interface called  WebView which helps to running the JavaScript code  inside of the WebView that allow to trigger in-app activities by connecting App Activities and JavaScript  Code.

According to Checkpoint Report, Once C&C Sever Connection has successfully Established then, the infected device to its C&C server, including its location and unique identifiers, such as MAC and IP addresses, IMSI, and IMEI.

This Malware Connect to C&C server whenever Infected Device Switched on and received an URL in the WebView  interface that contains Malicious java script code.

Malicious code secretly click the link and subscribing them to premium services and sending SMS messages and generating revenue by silently  clicking ads.

Checkpoint Report this Malware activities to Google and Google promptly removed the reported samples from its store.

But already Millions of users were Download this Malware which remains to do the Malicious activities unless the App get uninstalled.

Balaji

BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Recent Posts

LightSpy iOS Malware Enhanced with 28 New Destructive Plugins

The LightSpy threat actor exploited publicly available vulnerabilities and jailbreak kits to compromise iOS devices.…

22 hours ago

ATPC Cyber Forum to Focus on Next Generation Cybersecurity and Artificial Intelligence Issues

White House National Cyber Director, CEOs, Key Financial Services Companies, Congressional and Executive Branch Experts…

3 days ago

New PySilon RAT Abusing Discord Platform to Maintain Persistence

Cybersecurity experts have identified a new Remote Access Trojan (RAT) named PySilon. This Trojan exploits…

3 days ago

Konni APT Hackers Attacking Organizations with New Spear-Phishing Tactics

The notorious Konni Advanced Persistent Threat (APT) group has intensified its cyber assault on organizations…

3 days ago

Google Chrome Security, Critical Vulnerabilities Patched

Google has updated its Chrome browser, addressing critical vulnerabilities that posed potential risks to millions…

3 days ago

Notorious WrnRAT Delivered Mimic As Gambling Games

WrnRAT is a new malware attack that cybercriminals have deployed by using popular gambling games…

4 days ago