What is Surtr ransomware?

If your files became inaccessible and gained a .Surtr suffix, then your computer has been attacked by a ransomware-type virus. In most cases, the virus spreads via spam email containing malicious attachments. To bypass security and deliver the virus to the target computer, hackers continuously monitor system vulnerabilities so keep your Windows computer up-to-date and have a reliable antivirus. Soon after infiltration, Surtr ransomware puts strong encryption on the victim’s files so that they can no longer be accessed. To access the files, cybercriminals ask for Bitcoins for the decryptor. Nevertheless, we advise you not to do this since there is no guarantee that these people would return your data. Instead, you may use our guide to remove Surtr ransomware and decrypt .Surtr files using our recommendations below.

remove Surtr ransomware

Once the encryption procedure is done, you won’t be able to open files with .Surtr extension unless they are decrypted. For example, myfamily.jpg file will turn into myfamily.jpg.Surtr. Afterward, Surtr ransomware displays a pop-up window (“SURTR_README.hta”), creates TXT file (“SURTR_README.txt”), and changes desktop wallpaper.

Screenshot of desktop wallpaper set by Surtr ransomware:
remove Surtr ransomware

There are two solutions to remove Surtr Ransomware and decrypt your files. The first is to use an automated removal tool. This method is suitable even for inexperienced users since the removal tool can delete all instances of the virus in just a few clicks. The second is to use the Manual Removal Guide. This is a more complex way that requires special computer skills.

The content of a pop-up window:

Notice : There is only one way to restore your data read the boxes carefully!
Attention :
☢ Do Not change file names.
☢ Do Not try to decrypt using third party softwares , it may cause permanent data loss .
☢ If you do not pay the fee within one month , your important files will be published in our public belog .
☢ Do not pay any money before decrypting the test files.
☢ You can use our 50% discount if you pay the fee within first 15 days of encryption . otherwise the price will be doubled.
☢ In order to warranty you , our team will decrypt 3 of your desired files for free.but you need to pay the specified price for the rest of the operation .
How To Decrypt :
☢ Your system is offline . in order to contact us you can email this address DecryptMyData@mailfence.com use this ID (0uUO3jsQBIbkZu) for the title of your email .
☢ If you weren’t able to contact us within 24 hours please email : Decrypter@msgsafe.io
☢ If you didn’t get any respond within 48 hours use this link (Not Available Now).send your ID and your cryptor name (SurtrRansomwareUserName) therefore we can create another way to contact you as soon as possible

Screenshot of encrypted by Surtr virus files:
remove Surtr ransomware

The content of “SURTR_README.txt”:

What happened to your files?
Unfortunately, your server was compromised,
using a security hole in your server.
All your files are encrypted with a military algorithm .
in order to contact us you can email this address
use this ID( 0uUO3jsQBIbkZu ) for the title of your email.
if you weren’t able to contact us within 24 hours please email :
Only we can decrypt your files.
Please do not contact separate fraudulent sites.
You can use freeand even paid software on the Internet,
but it is uselessand will cause you to lose filesand timeand money.

How Surtr ransomware gets on my computer?

Cybercriminals use various techniques to deliver the virus to the target computer. Ransomware viruses can infiltrate victims’ computers more than in one or two ways, in most cases, cryptoviral extortion attack is carried out with the help of the following methods:

Brief overview:
Type of threatRansomware, cryptovirus, file-locking virus
File Extension.Surtr
Ransom Notepop-up window (SURTR_README.hta), desktop wallpaper and SURTR_README.txt
Contactdecryptmydata@mailfence.com, decrypter@msgsafe.io
DistributionSpam email attachments, RDP, pirated software, torrent websites, phishing sites
Removal Tool

In order to completely remove ransomware from your computer, you will need to install an antivirus software. We recommend using SpyHunter

Recovery Tool

The only effectvie method to restore files is to copy them from a saved backup. If you don’t have a suitable backup, you may use third-party recover software such as Stellar Data Recovery

How to remove Surtr ransomware?

Recommended Solution:

Try SpyHunter

SpyHunter is a powerful tool that is able to keep your Windows clean. It would automatically search out and delete all elements related to malware. It is not only the easiest way to eliminate malware but also the safest and most assuring one. The full version of SpyHunter costs $42 (you get 6 months of subscription). By clicking the button, you agree to EULA and Privacy Policy. Downloading will start automatically.

Download SpyHunter

for windows

After the virus is completely removed from your system, you can already start restoring your files directly.

How to decrypt files infected by Surtr Ransomware?

Method 1. Restore your files with the help of Recovery Tool

Stellar Data RecoveryIn case your PC has been attacked by ransomware, you may restore your files by using file recovery software. Stellar Data Recovery is one of the most effective tools that can recover lost and corrupted files — documents, emails, pictures, videos, audio files, and more — on any Windows device. The powerful scan engine can detect compromised files and finally save them to specified destination. Despite its advancedness, it’s very concise and simple so that even the most inexperienced user can figure it out.

Download Stellar Data Recovery
  1. Run Stellar Data Recovery.
  2. Select type of files you want to restore and click Next.
  3. Stellar Data Recovery

  4. Select the drive and folder where your files are located and date that you want to restore them from and press Scan.
  5. Stellar Data Recovery

  6. Once the scanning process is done, click Recover to restore your files.
  7. Stellar Data Recovery

  8. After this, select a destination and click Start Saving to save restored data.
  9. Stellar Data Recovery

Since new ransomware-type viruses appear almost every day, there is no technical possibility to issue a decryptor for each virus. In this case, the recovery tool comes to the rescue. Despite the fact that this is one of the most effective methods in the absence of a decryptor, this is not 100 percent and not the only way.

Method 2. Restore the system using System Restore

Although the latest versions of Surtr Ransomware can remove system restore files, this method may help you to partially restore your files. Give it a try and use standard System Restore to revive your data. The entire process is preferably carried out in Safe Mode with Command Prompt:

For Windows XP/Vista/7 users:

Restart your computer and before your system starts – hit F8 several times. This will prevent system from loading and will show Advanced boot options screen. Choose Safe mode with Command Prompt option from the options list using up and down arrows on your keyboard and hit Enter.

safe mode with networking

For Windows 8/10 users:

  1. Click the Start button, then select Settings
  2. Click Update & Security, then select Recovery and click Restart now.
  3. After your device reboots, go to Troubleshoot > Advanced options >Startup Settings > Restart
  4. safe mode with Command Prompt

  5. After your PC restarts, you should press F5 key to Enable Safe Mode with Command Prompt.

After the system is loaded in Safe Mode with Command Prompt, do following:

  1. In the Command Prompt window, type cd restore and hit Enter.
  2. system restore

  3. Then type rstrui.exe and hit Enter again.
  4. system restore

  5. Once a new window shows up, click Next.
  6. system restore

  7. Choose the date before the infection appearance and click Next again
  8. system restore

  9. In the opened pop-up window, click Yes to start system restore.
  10. system restore

Method 4. Roll the files back to the previous version

Previous versions can be copies of files and folders created by Windows Backup (if it is active) or copies of files and folders created by System Restore. You can use this feature to restore files and folders that you accidentally modified or deleted, or that were damaged. This feature is available in Windows 7 and later versions.

windows previous versions

  1. Click the ecrypted file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

How to prevent your system from Ransomware?

No one is safe from infection with a virus that secretly encrypts your data. But in order to minimize this risk, you need to follow the rules:

1. Always make Windows updates on time and keep them up to date. Remember that these updates close the security holes of the system through which the virus can enter your computer.

2. The most efficient way to avoid data loss is of course to make a backup of all important data from your computer. It is enough just to synchronize the necessary folders with one of the cloud services, so as not to be afraid to see the text requiring the payment of bitcoins in exchange for a decryption key. It can be a cloud or a remote hard drive on the network. If you store all your files on the Internet, the likelihood of virus infection will be lower. Do not make copies to external hard drives, as this could damage them.

3. Since spam email is the most popular form of spreading ransomware-type viruses, the user should never open email attachments without first having scanned them with antivirus. Just clicking on the link or opening the attachment can damage the operating system (Windows) in a few minutes, damage important data, and infect other machines with the virus.

3. Ransomware-type viruses often crawl into a system using the Remote Desktop Protocol (RDP). RDP is a legitimate and useful feature that allows a user to take control of a remote computer or virtual machine over a network connection. But, at the same time, this is its Achilles’ heel as it’s poorly secured and has many vulnerabilities that can give hackers easy entry into the victim’s computer. In this case, we advise you to set a different from 3389 TCP port and use a more strong password. You can additionally protect yourself from virus penetration through an RDP connection with the help of a reliable firewall such as GlassWire’s Firewall

5. All previous methods do not matter if you do not have a reliable antivirus. The presence of anti-virus protection on your computer can prevent all these unpleasant surprises. Anti-virus protection will protect you from malware, money loss, time loss, invasion of your personal life. Now the antivirus market is so huge that it is difficult to make a choice in favor of one of them. If you have not decided who to give preference to, we suggest you familiarize with our Top 5 Antivirus Software for Windows

Written by Ilyas J

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