Ransomware: Complete Guide

This guide provides a clear overview of ransomware, including the main concepts, practical steps, and common questions. Use it to understand the topic, compare the available options, and make a more informed decision.

Named Magniber, this dangerous ransomware strain has been around on the internet for a while, and ranks in the dangerous group with its diverse infectivity. Back in 2021, Magniber was used by a group of malicious actors in the infamous PrintNightmare exploit campaign. As recently as January 2022, this ransomware strain was also recorded spreading through Microsoft Edge and Chrome at a rapid rate.

According to the latest report from, this new Magniber infection campaign does not seem to be limited to a specific region or territory. There have been a series of recorded cases of infection scattered in many countries around the world. The common feature is that malicious code is implanted in malicious Windows 10 updates, but designed to look like the real thing, and some of them even have a fake ID knowledge base (KB) attached to increase the theory. dress. Reported instances of fake updates include:

Win10.0_System_Upgrade_Software.msi
Security_Upgrade_Software_Win10.0.msi
System.Upgrade.Win10.0-KB47287134.msi
System.Upgrade.Win10.0-KB82260712.msi
System.Upgrade.Win10.0-KB18062410.msi
System.Upgrade.Win10.0-KB66846525.msi

These malicious updates are being spread unlimitedly via pirated, fake websites. Such as in the screenshot below.

Ransomware guide image 1

After successfully infecting malicious files are installed on the victim's system, they will continue to delete backups of encrypted drives and generate a "README" HTML file containing a ransom note (recognized by the victim). shown in the image below):

Ransomware guide image 2 Ransomware guide image 3

On the ransom payment website, the malicious actor will ask the victim to pay around 2,600 USD or 0.068 bitcoin (BTC) to get back the encrypted data. The ransom will double if the victim does not pay after 5 days.

Ransomware guide image 4

To protect yourself from Magniber and a similar infection campaign, it's best to stay away from unofficial sources of Windows update downloads. Instead, download new updates from Windows Update itself. Alternatively, you can also search for standalone updates on the Microsoft Update Catalog website.

Conclusion

Understanding Ransomware makes it easier to compare options, avoid common mistakes, and apply the information in this guide more effectively. Review the relevant requirements before making changes or choosing a solution.

FAQ

What is Ransomware?

The common feature is that malicious code is implanted in malicious Windows 10 updates, but designed to look like the real thing, and some of them even have a fake ID knowledge base (KB) attached to increase the theory.

Why is Ransomware important?

Understanding Ransomware helps you evaluate features, compatibility, performance, and potential limitations before you choose a product or follow a procedure.

What should you consider when using or choosing Ransomware?

Consider your specific goal, compatibility requirements, available features, cost, security, and the practical recommendations described in this guide.