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MauriGo ransomware. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware

MauriGo – a malicious crypto-ransomware virus targeting both home and enterprise users

MauriGo ransomware

MauriGo ransomware is a severe cyber infection, which has been detected by ransomware researchers at the end of March 2018.[1] Its developers take advantage of systems' vulnerabilities and people's credulity by spreading it via spam, exploit kits, and rogue software updates. Upon infiltration, it enables AES-256 cipher to render personal files useless by appending the .encrypted file extension to each of them. Then the victim is urged to pay the ransom within seven days. The size of redemption depends on the number of PC's compromised maximizing to 5 BTC. Explicit guidance can be found in the READ_TO_DECRYPT.txt ransom note.

MauriGo
Malware type Ransomware
Targets Enterprise users 
File extension .encrypted
Related files READ_TO_DECRYPT.txt
Cryptography AES-256
The size of redemption 0.7, 2.6 or 5 BTC depending on the number of affected PCs. 
Main dangers Permanent data loss, money loss, system's crash
Download Reimage and run a full system scan to get rid of ransomware virus. Manual removal is not possible.

Ransomware researchers claim that MauriGo ransomware is not a newly developed cyber threat. Its strains go back to 2017, though no victims have been registered through the whole year. Nevertheless, it seems that malware developers aim to resurrect the virus for the second life.

As we have already pointed out, MauriGo spreads in the same way as other ransomware viruses. It can be dispersed under malicious spam email attachments, rogue software downloads or updates, as well as injected via hacked RDP[2] by initiating brute force attacks.

Regardless of the distribution technique, the MauriGo virus settles down quite easily by running multiple Command Prompt and PowerShell scripts under admin privileges. Then it injects malicious registry entries and starts encryption procedure.

To lock people's files, it eploys the prevailing AES-256 encryption algorithm and targets the most popular file types, including, but not limiting to .mp3, .mp4, .doc, .docx, .ibooks, .jpeg, .jpg, .torrent, .txt, and others. Upon encryption, each file is marked with .encrypted file extension.

Apart from the compromised file extension, another symptom of MauriGo ransomware attack is the READ_TO_DECRYPT.txt ransom note on the desktop and most of the system's folders. The file contains the following information:

The important files on your computer have been encrypted with military-grade AES-256 bit encryption.
Your documents, videos, images and other forms of data are now inaccessible, and cannot be unlocked without the decryption key.

This key is currently being stored on a remote server.
To acquire this key, please follow the instructions below before the time runs out. ([RANDOM DATE] – you have 7 days)

Prices to recover yoor files from :
1 machine on your network : 0.7 BTC
Half machines on your network (randomly chosen): 2.6 BTC
All machines on your network : 5 BTC
The BTC must be sent to this address : 19CMTC6U9KMHAn34iKXvofkA2ulNMcd823
Your hostname : [YOUR DEVICE NAME]
Your identification number (it is the same for all PC encrypted on your network): ***
After you've send payment to our address, please go to our website (via normal browser):
xxxx://ldqu4hxg2gx6af7j.onion[.]plus/id/***
xxxx://ldqu4hxg2gx6af7j.onion[.]link/id/***
xxxx://ldqu4hxg2gx6af7j.tor2web[.]ch/id/***
If it doesn't work please download Tor Browser on their official page and use this link instead: xxxx://ldqu4hxg2gx6af7j[.]onion/id/***

Once on the website, leave a simple comment to warn us.
After that we will reply with your decryption key(s) as soon as possible.
To demonstrate our sincerity, you can upload 2 encrypted file on the website and we will decrypt it.
Also please understand that we don't want to taint the reliability of your business. Make a reasonable choice.
Note that if you fail to take action within this time window (7 days), the decryption key will be destroyed and access to your files will be
permanently lost.

Where to buy bitcoins (BTC) ?

Bitcoin is a popular crypto-currency. We advise you to buy coins on https://localbitcoins.com/ because of its speed and anonymity. You will can pay with Western Union. Wire Transfer…
Of course, there are many other ways to get bitcoins (ex: Coinbase), simply type on google “how to buy bitcoins.”

As you can see, crooks target both home users and enterprise users. Indeed, they prefer corporate networks as they can get up to 5 BTC (approximately 47 000 USD) ransom in exchange of a decryptor, while a home user is expected to transfer 0.7 BTC (approximately 6500 USD).

The PC's owner that wants to get his or her files back has to email criminals and send them a redemption to the 19CMTC6U9KMHAn34iKXvofkA2ulNMcd823 Bitcoin wallet using Tor browser. The deadline – 7 days. In case the victim fails to make the payment, the MauriGo decryptor is removed causing permanent data loss.

Nevertheless, Virukset.fi[3] together with our research team highly do not recommend paying the ransom. That's because no one can assure if the decryptor has been developed altogether. It might be that crooks don't have it at all and simply will run away with your money.

Instead of that, we recommend running a scan with Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes security tool and remove MauriGo virus asap. Following the encryption, you'll be able to take advantage of the alternative data recovery methods, such as Volume Shadow Copies or Previous Windows version.

Take precautionary measures while browsing online to protect yourself from ransomware attacks

Throughout a long time of practice, ransomware developers learned people's habits and behavior online. Consequently, they can create multiple catchy strategies to distribute ransomware viruses widely on the Internet. The following are the most frequently used techniques:

  • Malicious spam email attachments;
  • Exploit Kits;
  • Hacked Remote Desktop apps;
  • Fake software updates;
  • Phishing websites;
  • Infected links and advertisements;

For the past ten years, hackers take advantage of people's credulity and keep spreading hazardous cyber infections in the form of malicious email attachments. Rendering spam bots criminals spread legitimate-looking emails, which contain “urgent” information from Microsoft, Apple, IRS, FBI, and similar institutions. If the user opens the attachment, he or she inadvertently runs a ransomware payload, which is going to lock files soon after revelation.

Although there's no hundred percent ransomware protection, keeping a reputable anti-virus installed and updated minimizes the risk of getting infected significantly. Also, you should also download Windows updates to patch security vulnerabilities.

MauriGo removal options

In fact, there aren't many options for the MauriGo removal. All you can choose is an anti-virus program because manual ransomware removal is practically impossible. We would strongly recommend you to use Reimage or Malwarebytes MalwarebytesCombo Cleaner tool, but you are free to choose a program that you prefer.

As soon as you remove MauriGo virus, scroll down to the bottom to find out alternative data recovery methods. Try them one-by-one, and we are sure that you'll manage to retrieve at least the most significant part of files encrypted by MauriGo ransomware.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove MauriGo virus, follow these steps:

Remove MauriGo using Safe Mode with Networking

If you cannot launch your anti-virus, follow the below-given steps to bypass ransomware helper objects.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove MauriGo

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete MauriGo removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove MauriGo using System Restore

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of MauriGo. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that MauriGo removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove MauriGo from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

Neither of the methods listed below is proved to be hundred percent working. Nevertheless, we highly recommend you to try them one-by-one because there's a high possibility to recover your files without paying thousands of US dollars for criminals. 

If your files are encrypted by MauriGo, you can use several methods to restore them:

Data Recovery Pro

Data Recovery Pro – a free tool, which has been developers with an intention to recover accidentally deleted files. Soon after the release, it turned out to be useful when the data is lost during system's crash. Finally, cybersecurity experts found it capable of encrypting files locked by ransomware. Thus, give this tool a try. 

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by MauriGo ransomware;
  • Restore them.

Enable Previous Windows Version

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Exploit Volume Shadow Copies

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

There's no MauriGo decryptor yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from MauriGo and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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