What is Netwalker Ransomware? How to avoid it

Overview

Netwalker Ransomware is a dangerous type of malicious software that infects target devices through networks or email attachments. Once infiltrated, it encrypts the data on the device, making it inaccessible to the victims. Netwalker Ransomware then sends a message to the victims, demanding a specified amount of Bitcoin to be paid within a certain time frame; otherwise, the encryption key will be deleted or the data will be publicly exposed. This ransomware not only threatens individual users but also targets government institutions, medical organizations, educational institutions, and other entities, causing severe economic losses and societal impact.

Contents 

How does Netwalker Ransomware work?

How to know if a device is infected with Netwalker Ransomware?

What to do if a device is infected with Netwalker Ransomware?

How to prevent Netwalker Ransomware attacks?

Conclusion

How does Netwalker Ransomware work?

Netwalker Ransomware runs an encryption program on the device, encrypting all files, rendering them inaccessible to the user. It then displays a ransom message on the device, demanding payment in Bitcoin within a specific timeframe to decrypt the files. Additionally, Netwalker Ransomware attempts to infect other devices within the same network to expand its reach. It is a highly dangerous and destructive malware that inflicts significant losses and distress on its victims.

How to know if a device is infected with Netwalker Ransomware?

Netwalker Ransomware operates covertly, encrypting victims' files in the background and displaying a ransom message, demanding payment in Bitcoin to decrypt the files. Some indicators of a Netwalker Ransomware infection include:

① Sluggish or slow device performance

This could be due to Netwalker Ransomware consuming significant system resources while encrypting files.

② Files cannot be opened or display as garbled characters

This may occur because Netwalker Ransomware alters file extensions or content.

③ Decreased disk space or showing as full

This could be a result of Netwalker Ransomware creating encrypted copies of files.

④ Abnormally increased network traffic

Netwalker Ransomware may communicate with the attacker's server or upload victim's data.

⑤ Desktop background changed or a new text file appears

This may indicate the display of the ransom message or instructions on how to pay the ransom.

What to do if a device is infected with Netwalker Ransomware?

If you discover your device has been infected with Netwalker Ransomware, you may feel panicked and helpless. However, it's essential not to give in to the hackers' demands and not to lose hope. Here are some steps you can take to mitigate losses and attempt data recovery:

① Disconnect from the internet

This prevents the ransomware from further encrypting your files and blocks the hacker's remote control or theft of sensitive information.

② Report to law enforcement

Although law enforcement may not be able to immediately resolve the issue, they can record the case, collect evidence, track the hacker's movements, and provide legal advice and psychological support.

③ Look for decryption tools

Some security companies or organizations develop decryption tools specifically targeting certain ransomware variants. You can search online to see if there are any suitable tools for your situation. However, be cautious about downloading software from unknown sources to avoid greater risks.

④ Restore from backups

If you regularly back up your important files, you can restore your data from the backups after removing the ransomware. If you don't have data backups, you can try using data recovery software to scan your hard drive for any recoverable files that haven't been overwritten or damaged.

⑤ Do not pay the ransom

This is the most crucial point. Paying the ransom not only rewards the hackers but also encourages them to continue their criminal activities. Moreover, even if you pay the ransom, there is no guarantee that the hackers will genuinely provide the decryption key or refrain from further threats. Therefore, do not trust the hackers' promises, and avoid communicating or negotiating with them.

How to prevent Netwalker Ransomware attacks?

Netwalker Ransomware is a highly dangerous malware that can cause significant harm to your devices and data. Therefore, it's essential to take preventive measures against its attacks. Here are some precautions we recommend you follow:

① Regularly back up your important data

Ideally, use different storage devices or cloud services for backups. This way, even if your data is encrypted, you can recover it from the backups.

② Use reliable antivirus software and a firewall

These software can help detect and block Netwalker Ransomware's intrusion attempts.

③ Do not open suspicious email attachments or links

Avoid opening email attachments or links from unknown or suspicious sources, as they might be bait from Netwalker Ransomware. If you're unsure of an email's authenticity, contact the sender to verify.

④ Avoid accessing websites with illegal or pirated content

These websites might be injected with Netwalker Ransomware's malicious code. If you accidentally enter such a site, immediately close the browser and disconnect from the internet.

⑤ Use a VPN service

Employ MetroVPN to safeguard your network security. MetroVPN can encrypt your internet traffic, preventing Netwalker Ransomware or other hackers from stealing your sensitive information. MetroVPN can also help you bypass geographical restrictions , accessing more content and services.

Conclusion

Netwalker Ransomware is a threat that requires vigilant awareness and prevention. We hope this article helps you understand its workings, risks, and how to respond to and prevent its attacks. We strongly recommend using MetroVPN to protect your online security, as it is an efficient, stable, secure, and user-friendly VPN service that ensures worry-free browsing online.