G700 Malware: A Comprehensive Analysis and Removal Guide

G700 is an advanced Remote Access Trojan (RAT) targeting Android devices, developed as an upgraded variant of the CraxsRAT. Written in Java and C#, this malware exemplifies the evolving threat landscape, combining data-stealing, spying, and financial theft functionalities. Leveraging Android’s Accessibility Services, G700 performs various malicious activities while bypassing certain antivirus detection methods. This article delves into G700’s threat profile, its methods of operation, symptoms of infection, and provides a thorough guide to removing and preventing this dangerous malware.

G700 Malware Overview

Attribute	Details
Threat Type	Android malware, Remote Access Trojan (RAT), Spyware
Detection Names	Avast-Mobile (Android:Evo-gen [Trj]), DrWeb (Android.SpyMax.37.origin), Kaspersky (HEUR:Trojan-Spy.AndroidOS.SpyNote.bv), ESET-NOD32 (A Variant Of Android/Spy.SpyMax.T)
Symptoms	Slow device performance, unauthorized system changes, increased data/battery usage, suspicious apps
Distribution Methods	Infected email attachments, malicious advertisements, social engineering, scam websites
Damage	Stolen personal information, financial losses, identity theft, compromised privacy
Danger Level	High

Detailed Analysis of G700 Malware

Functionality and Exploitation of Accessibility Services

G700 leverages Android Accessibility Services to escalate privileges and gain extensive control over infected devices. These services, designed to assist users with disabilities, provide the malware capabilities such as reading the screen and simulating user actions. By abusing these services, G700 can:

• Access device storage, location, contacts, SMS, and call logs.
• Record video via cameras, audio via the microphone, and live-stream the device screen.
• Intercept and hide SMS messages, enabling the theft of OTPs and 2FA/MFA codes.
• Execute overlay attacks to capture sensitive data such as login credentials and credit card information.
• Replace cryptowallet addresses during transactions with those of cybercriminals.

Keylogging and Phishing Capabilities

G700’s keylogging features enable it to record every keystroke, including passwords and personal messages. Furthermore, its overlay attack mechanism creates fake interfaces mimicking legitimate apps to deceive users into entering sensitive information. These phishing attacks often target e-commerce platforms, banking apps, and cryptocurrency wallets.

Additional Features

1. Hiding Activities: Displays a fake software update screen to prevent user interaction while executing malicious activities.
2. Potential for Ransomware Deployment: Can deploy ransomware on infected devices, encrypting user data for monetary extortion.
3. Clipper Functionality: Alters cryptocurrency transaction addresses to divert funds to cybercriminals.

Symptoms of G700 Malware Infection

• Unusual device slowness.
• Unauthorized modifications to system settings.
• Presence of suspicious applications.
• Rapid battery drainage and increased data usage.
• Reduced internet speed and overall device performance.

Distribution Methods

G700 propagates through various deceptive tactics, including:

• Infected Email Attachments: Malware embedded in email attachments disguised as legitimate files.
• Malicious Online Advertisements: Ads redirecting users to harmful websites or downloading malicious files.
• Social Engineering: Trickery to lure users into downloading the malware.
• Scam Websites: Fake websites hosting infected applications or files.

Removal Guide for G700 Malware

Follow these steps to remove G700 malware from your Android device:

Step 1: Boot into Safe Mode

1. Press and hold the power button.
2. Long press the "Power Off" option and select "Safe Mode."
3. Confirm to reboot in Safe Mode.

Step 2: Uninstall Suspicious Applications

1. Navigate to Settings > Apps.
2. Identify unfamiliar or suspicious apps.
3. Select the app and choose "Uninstall."

Step 3: Remove Malware Permissions

1. Go to Settings > Security > Device Administrators.
2. Disable administrator access for suspicious apps.
3. Reboot the device into normal mode.

Step 4: Run a Reliable Antivirus Scan

1. Install a trusted anti-malware tool such as SpyHunter.
2. Perform a full system scan.
3. Follow the tool’s instructions to quarantine or remove detected threats.

Step 5: Update Device Software

1. Navigate to Settings > Software Update.
2. Install the latest security patches.

Preventive Measures to Avoid G700 Malware

1. Download Apps from Trusted Sources: Use official app stores like Google Play.
2. Avoid Clicking on Unknown Links: Be cautious with links in emails, messages, and advertisements.
3. Verify App Permissions: Refrain from granting excessive permissions to apps.
4. Install Reliable Security Software: Keep anti-malware tools active and updated.
5. Enable Two-Factor Authentication (2FA): Protect accounts with 2FA to add an extra layer of security.
6. Regularly Update Your Device: Apply system and application updates promptly.
7. Educate Yourself About Phishing: Learn to recognize fake websites and messages.

Conclusion

G700 is a sophisticated Remote Access Trojan that poses severe risks to Android device users, from privacy invasion to financial theft. Its multifaceted capabilities, including keylogging, phishing, and ransomware deployment, make it a formidable threat. Removing the malware promptly and implementing preventive measures can safeguard your device and personal data against such attacks. Employing a reliable anti-malware solution like SpyHunter is crucial in protecting against advanced threats like G700.