Watch Out for Ransomware Pretending to Be a Windows Update!

by | Nov 20, 2023 | Cybersecurity

Let’s say you are working on your computer when you notice a Windows update notification. You choose to click on it because you want to protect your device, but when you install what you believe to be a valid update, you end up with a ransomware infection.

That is the nightmare brought on by a new cybersecurity threat.

Cybercriminals are always coming up with new ways to get into systems, encrypting important data and leaving victims with no choice but to pay a ransom to have the malware removed, install a backup, and hope for the best. Once your computer is infected with ransomware, it is pretty much all over.

A recent variant that adds another level of deception by masquerading as a Windows update is called “Big Head” ransomware. In this post, we will examine the features and methods of Big Head ransomware, including its deceptive strategies, and how you can safeguard yourself against these kinds of attacks.

The Big Head Ransomware Deception

Big Head ransomware takes its tactics to the next level by tricking victims into believing that their computer is undergoing a genuine Windows update. Attackers create this fake alert to trick users into thinking that their computer is undergoing a legitimate Windows update. The message may appear as a pop-up window or as a notification. Ransomware attacks are notorious for their ability to encrypt files, rendering them inaccessible to the victim until a ransom is paid to the attacker.

The deception goes even further. The ransomware uses a forged Microsoft digital signature. This makes the fake update appear more authentic. This adds an extra layer of credibility to the malicious message. And it makes it even more challenging for users to discern its true nature.

The ransomware encrypts the victim’s files after tricking them into believing it is a genuine Windows update. The victim is then presented with a message requesting a ransom in exchange for the decryption key, and they unintentionally download and run the ransomware onto their system.

By 2031, it’s expected that a ransomware attack will occur every 2 seconds.

Protect Yourself from Big Head Ransomware & Similar Threats

It is important to take proactive measures to secure your data and systems because cyber threats are getting more complex and are not limited to the good people using ChatGPT. Here are some techniques to protect yourself from ransomware attacks like Big Head.

Keep Software and Systems Updated

This one is challenging because, although installing updates on your computer is a recommended security practice, the Big Head ransomware takes advantage of the appearance of these updates. To ensure that you are installing a legitimate update, automate your Windows updates via your device or an IT provider (such as us). This will raise the likelihood that you will identify a fake that appears out of the blue.

Verify the Authenticity of Update

Be wary of unsolicited update notifications, especially those received via email or from unknown sources. Genuine Windows updates will come directly from Microsoft’s official website or through your IT service provider or Windows Update settings. Verify the legitimacy of any software update before installing it.

Backup Your Data

Maintain regular backups of your critical files. Use an external drive or a secure cloud backup service. Having backup copies of your data is essential since they can help you retrieve your files without having to pay a ransom.

Use Robust Security Software

To stop ransomware attacks from invading your system, install trustworthy antivirus and anti-malware software on your computer. These tools can assist in identifying and thwarting ransomware threats..

Educate Yourself and Others

Remain up to date on the most recent ransomware threats and strategies. Educate coworkers and family members about the risks involved in clicking on dubious links and downloading attachments from unidentified sources.

Use Email Security Measures

Set up strong email security measures, exercise caution when opening attachments or clicking links, and keep an eye out for emails from senders you do not recognize. Phishing emails are a common way that ransomware spreads.

Enable Firewall and Network Security

To prevent unwanted access to your network and devices, turn on your computer’s firewall and make use of network security solutions.

Disable Auto-Run Features

You can stop ransomware from spreading using infected USB sticks by setting your computer to not allow external drives to run automatically.

Be Wary of Pop-Up Alerts

Be cautious when you see pop-up notifications. Particularly, if they ask you to download or install software. Make sure the alerts are real before clicking on them.

Keep an Eye on Your System

Watch the way your computer operates and for any odd behavior; if you see something off, look into it right once. Unusual PC behavior can include:

  • Unexpected system slowdowns
  • File changes
  • Missing files or folders
  • Your PC’s processor “whirring” when you’re not doing anything

Have a Response Plan

In the unfortunate event of a ransomware attack, be prepared with a reaction plan, understand how to disengage from the network, notify your IT department or a cybersecurity expert about the situation, and try to avoid paying the ransom.

Need a Cybersecurity Audit?

A cybersecurity audit is a crucial preventative strategy to guarantee network security because it can reveal system weaknesses and help you avoid leaving unidentified dangers lurking in your system.

Give us a call today to schedule a chat.