Understanding and Removing the RE-CAPTCHA Version 3 275.Buzz Malware

In recent times, cyber threats have evolved in complexity and frequency, posing significant challenges to both individual and corporate digital security. One such emerging threat is the RE-CAPTCHA Version 3 275.Buzz malware. This sophisticated malware variant deceives users into believing they are verifying their human identity through a fake reCAPTCHA prompt, leading to potentially severe consequences. In this article, we will delve into the actions and impacts of this malware, explore its detection, and provide a comprehensive removal guide. Additionally, we’ll share best practices for preventing future infections.

What is RE-CAPTCHA Version 3 275.Buzz Malware?

The RE-CAPTCHA Version 3 275.Buzz malware masquerades as a legitimate Google reCAPTCHA, a common tool used to differentiate between human users and bots. By presenting a familiar interface, this malware tricks users into engaging with it, leading to the installation of malicious software. This type of social engineering tactic exploits the trust users place in widely recognized web elements, making it a particularly insidious threat.

Actions and Consequences of RE-CAPTCHA Version 3 275.Buzz

Once a user interacts with the fake reCAPTCHA, several malicious activities can ensue:

1. Unauthorized Access: The malware can grant cybercriminals access to the infected system, allowing them to steal sensitive data such as login credentials, personal information, and financial details.
2. System Compromise: It can download and execute additional payloads, including ransomware, spyware, or adware, further compromising system integrity and security.
3. Browser Hijacking: Users might experience unwanted browser redirects to malicious websites, increasing the risk of further infections and phishing attacks.
4. Performance Degradation: The malware can consume system resources, causing slowdowns and instability, disrupting normal operations.

Detection of RE-CAPTCHA Version 3 275.Buzz

Various cybersecurity firms have identified this threat under different names, highlighting its prevalence. Some of the common detection names include:

• Trojan.FakeCAPTCHA
• HTML/FakeCaptcha.A
• JS/BrowserRedirector
• Trojan:JS/FakeCaptcha

Similar threats often employ fake security alerts or software updates to deceive users. Examples include the “Your Computer is Infected” pop-ups, fake Flash Player updates, and counterfeit antivirus software warnings.

Comprehensive Removal Guide

Step 1: Disconnect from the Internet

To prevent further data theft or additional malware downloads, disconnect your computer from the internet immediately.

Step 2: Enter Safe Mode

Reboot your computer in Safe Mode to restrict malware activity:

1. Windows:
   • Restart your computer and press F8 before the Windows logo appears.
   • Select “Safe Mode with Networking” from the Advanced Boot Options menu.
2. Mac: Restart your computer and hold down the Shift key until the Apple logo appears.

Step 3: Identify and Terminate Malicious Processes

1. Windows:
   • Press Ctrl + Shift + Esc to open Task Manager.
   • Look for suspicious processes, right-click on them, and select “End Task”.
2. Mac:
   • Open Activity Monitor from Applications > Utilities.
   • Identify and terminate suspicious processes.

Step 4: Remove Malicious Programs

1. Windows:
   • Go to Control Panel > Programs > Uninstall a program.
   • Identify and uninstall any unfamiliar or suspicious programs.
2. Mac:
   • Go to Finder > Applications.
   • Drag any suspicious applications to the Trash and empty the Trash.

Step 5: Remove Browser Hijackers and Extensions

1. Google Chrome:
   • Click on the three-dot menu > More tools > Extensions.
   • Remove any suspicious extensions.
   • Go to Settings > On startup and ensure no suspicious pages are set to open.
2. Mozilla Firefox:
   • Click on the three-bar menu > Add-ons > Extensions.
   • Remove any suspicious extensions.
   • Go to Options > Home and ensure no suspicious pages are set to open.
3. Safari:
   • Go to Safari > Preferences > Extensions.
   • Remove any suspicious extensions.
   • Check the Homepage setting under Preferences > General.

Step 6: Clear Cache and Cookies

1. Google Chrome:
   • Click on the three-dot menu > More tools > Clear browsing data.
   • Select “All time” and check “Cookies and other site data” and “Cached images and files”.
   • Click “Clear data”.
2. Mozilla Firefox:
   • Click on the three-bar menu > Options > Privacy & Security.
   • Under Cookies and Site Data, click “Clear Data”.
   • Ensure “Cookies and Site Data” and “Cached Web Content” are checked, then click “Clear”.
3. Safari:
   • Go to Safari > Preferences > Privacy.
   • Click “Manage Website Data” and then “Remove All”.

Step 7: Scan for Malware

Use your built-in antivirus software or a trusted free tool to perform a full system scan. Follow the recommended steps to remove any detected threats.

Step 8: Reset Your Browser Settings

1. Google Chrome:
   • Click on the three-dot menu > Settings.
   • Scroll to the bottom and click “Advanced”.
   • Under “Reset and clean up”, click “Restore settings to their original defaults” and confirm.
2. Mozilla Firefox:
   • Click on the three-bar menu > Help > Troubleshooting Information.
   • Click “Refresh Firefox” and confirm.
3. Safari:
   • Go to Safari > Preferences > Advanced.
   • Enable “Show Develop menu in menu bar”.
   • Click Develop > Empty Caches.

Best Practices for Preventing Future Infections

1. Keep Software Updated: Regularly update your operating system, browsers, and applications to patch vulnerabilities.
2. Use Strong Passwords: Implement strong, unique passwords for all accounts and enable two-factor authentication where possible.
3. Be Cautious with Downloads: Only download software from reputable sources and avoid clicking on suspicious links or pop-ups.
4. Enable Firewall and Antivirus Protection: Ensure your firewall is enabled and keep your antivirus software updated.
5. Educate Yourself and Others: Stay informed about common cyber threats and share this knowledge with family and colleagues.

By following these steps and best practices, you can safeguard your system against the RE-CAPTCHA Version 3 275.Buzz malware and other similar threats.