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.MZ173801 Virus File (MaMoCrypter Ransomware) – Remove It

.MZ173801 file extension is placed on all of your files? .MZ173801 Virus File is also known as MaMoCrypter ransomware which locks files on a computer and demands money to be paid as a ransom for unlocking them.

stf-MaMoCrypter-ransomware-note-instructions

MaMoCrypter Ransomware (.MZ173801 Virus File)

MaMoCrypter or otherwise known as .MZ173801 Virus File is a ransomware type virus. It encrypts files by appending the .MZ173801 extension to them, making them inaccessible. All encrypted files will receive the new extension as a secondary one. The MaMoCrypter ransomware drops a ransom note, which gives instructions to victims on how they can allegedly restore their data by paying a ransom fee.

MaMoCrypter Ransomware Virus

MaMoCrypter Ransomware will encrypt all types of files such as audio, video, pictures, backups, banking data and other personal user files found on a compromised computer system.

Threat Summary

Name .MZ173801 Virus
File Extension .MZ173801
Type Ransomware, Cryptovirus
Short Description The ransomware encrypts files on your computer system and demands a ransom to be paid to allegedly recover them.
Symptoms The MaMoCrypter ransomware will encrypt your files by appending the .MZ173801 extension to them, along with a unique identification number placing the new .MZ173801 extension as a secondary.
Ransom Demanding Note How Do I Recover My Files (Readme).txt
Distribution Method Spam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by malware

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User Experience Join Our Forum to Discuss .MZ173801 Virus.

.MZ173801 Virus File – How Did It Infect My PC and What Happened?

.MZ173801 Virus File might spread its infection via a payload dropper, which initiates the malicious script for this ransomware. The virus might also distribute its payload file on social media and file-sharing services. Freeware which is found on the Web can be presented as helpful also be hiding the malicious script for the cryptovirus. For more information, read the MZRevenge Virus article as that virus is related to the MaMoCrypter variant described here.

The ransomware encrypts your files and shows ransomware instructions inside a ransom note that is called How Do I Recover My Files (Readme).txt as showcased in the picture below:

stf-MaMoCrypter-ransomware-note-instructions

The note states the following:

please do not work on your original files, but make copies of them.
Corruption of the actual files can cause irreversible damage to your data.

* Can I Recover my Files?
Sure. we guarantee that you can recover all your files safely and easily.
but for this you need to send $300 worth bitcoins to our address.
Even if you give money, Do not believe the people around you who
say they will not give your files, I Have Enough Reference To Give You Confidence.
I don’t know about you, so there is no point in having bad feelings towards you,
doing evil to you, ay goal is just to earn an income from this business.

* what about the guarantees?
This is just a job. we never care about you and your deals.
If we do not fulfill our work and obligations – no one will cooperate with us.
If you do not believe us, tell us any 1 or 2 files with SIMPLE extensions
(jpg, xls, doc, etc … not databases!) And low size (max 1 mb)
1 or 2 file and following special public and private mzrevenge keys produced for you send us
we will decrypt these files and send it back to you. This is our guarantee.

* How to contact with you?
You can write us to our mailbox: azrdecryptorbuy@firemail.cc
Don’t forget, check your “Spam” or “Junk” folder it you can’t get more than 6 hours of answer.

* How will the decryption process proceed after payment?
After payment, we will send you our special decoder program by mail, just open it,
then it will automatically decrypt all your files. but you need to pay for it and contact us.

* So what is Bitcoin and how to get it?
The easiest way to buy bitcoins is LocalBitcoins site.
You have to register, click ‘Buy bitcoins’, and select the seller by payment method and price.
https: //localbitcoins.com/buy_bitcoins
Also you can find other places to buy Bitcoins and beginners guide here:
https://www.coindesk.com/information/how-can-i-buy-bitcoins/

If you are ready to pay the money we want,
Bitcoin address to which you will send the payment: 3HYoqgf8S1ZceA2AvmdEUCDNEHp74nus¢ jd

These are public and private MZREVENGE decryption keys produced for you.
If these keys are damaged, nobody can recovery your files.

============================{ PUBLIC MZREVENGE KEY }============================
MZRKEYPUBLICw6fCpMKYPSOGQ802ZTNOUMK4wqrCksKPMSK4L80ZwaPCiyPDjS00wSAdw7rOnMKGAZY9DwNDgN7OVMOEZyONWoEeYX7CVMKIwS4TNSOCW45hwo

============================{ PRIVATE MZREVENGE KEY }============================
MZRKEYPRIVATEWPNPTDPCJBTDO2LDOBr0sxg+K2jDSENCjCKIZSKERCKWPW3CKWHDJCOQPSKOwS7DNSKGANF6w4ACw7/DuSOFOSLDH3fDOMKXYTTCQMOSwr7CUow430g5KCGSOwwSQWEMOBwqbCegEewo9SLeoDkngrc2xxwo/CkcKhf3LD0g803ZH2C1803woxDg8KGIjHCHHHCmmLC1¢0/FMOgwpVvDVMK2wgEFw67DisOjwrcamOmhxXchc09)sO8w7kJwavCsEjJOQVXCtCOSmabOvwXCqsOdVCLnweRmcCOLRUGTWEMDCSKIWOJGHMOKUXLDUE3DUVjCncK1eGbOneR]WOYOKMKXw4N1CMOSwSAhW

You should NOT under any circumstances pay any ransom sum.

The extortionists want you to pay a ransom for the alleged restoration of your files, same as with a lot of ransomware viruses. .MZ173801 Virus File ransomware could make entries in the Windows Registry to achieve persistence, and could launch or repress processes in a Windows system. All encrypted will receive the .MZ173801 extension alongside a random generated one. That extension will be placed as a secondary one to each file and look something like .MZ173801. Audio, video, image files as well as documents, backups and banking data can be encrypted by the ransomware.

The .MZ173801 Virus File could be set to erase all the Shadow Volume Copies from the Windows operating system with the help of the following command:

→vssadmin.exe delete shadows /all /Quiet

If your computer device was infected with this ransomware and your files are locked, read on through to find out how you could potentially restore your files back to normal.

Remove .MZ173801 Virus File

If your computer got infected with the .MZ173801 Virus File, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

Tsetso Mihailov

Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.

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  • Step 1
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  • Step 5

Step 1: Scan for .MZ173801 Virus with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

scan for and delete ransomware virus step 2


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

scan for and delete ransomware virus step 3


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

scan for and delete ransomware virus step 4

If any threats have been removed, it is highly recommended to restart your PC.

Ransomware Automatic Removal - Video Guide

Step 2: Uninstall .MZ173801 Virus and related malware from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.
delete ransomware from windows step 1


2. In the field type in "appwiz.cpl" and press ENTER.
delete ransomware from windows step 2


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
delete ransomware from windows step 3Follow the instructions above and you will successfully delete most unwanted and malicious programs.


Step 3: Clean any registries, created by .MZ173801 Virus on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .MZ173801 Virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.
delete ransomware virus registries step 1


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
delete ransomware virus registries step 2


3. You can remove the value of the virus by right-clicking on it and removing it.
delete ransomware virus registries step 3 Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Boot Your PC In Safe Mode to isolate and remove .MZ173801 Virus

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows Key + R.
remove ransomware in safe mode step 1


2. The "Run" Window will appear. In it, type "msconfig" and click OK.
remove ransomware in safe mode step 2


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
remove ransomware in safe mode step 3
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.
remove ransomware in safe mode step 4


5. You can recognise Safe Mode by the words written on the corners of your screen.
remove ransomware in safe mode step 5


Step 5: Try to Restore Files Encrypted by .MZ173801 Virus.

Method 1: Use STOP Decrypter by Emsisoft.

Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.

Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:

1 Right-click on the decrypter and click on Run as Administrator as shown below:

stop ransomware decryptor step 1

2. Agree with the license terms:

stop ransomware decryptor step 2

3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:

stop ransomware decryptor step 3

4. Click on "Decrypt" and wait for your files to be decoded.

stop ransomware decryptor step 4

Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.

Method 2: Use data recovery software

Ransomware infections and .MZ173801 Virus aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


.MZ173801 Virus-FAQ

What is .MZ173801 Virus Ransomware?

.MZ173801 Virus is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files. 

Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

What Does .MZ173801 Virus Ransomware Do?

Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.

Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.

How Does .MZ173801 Virus Infect?

Via several ways..MZ173801 Virus Ransomware infects computers by being sent via phishing emails, containing virus attachment. This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

Another way you may become a victim of .MZ173801 Virus is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to Open ..MZ173801 Virus files?

You can't without a decryptor. At this point, the ..MZ173801 Virus files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.

What to Do If a Decryptor Does Not Work?

Do not panic, and backup the files. If a decryptor did not decrypt your ..MZ173801 Virus files successfully, then do not despair, because this virus is still new.

Can I Restore "..MZ173801 Virus" Files?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..MZ173801 Virus files. 

These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How To Get Rid of .MZ173801 Virus Virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.

It will scan for and locate .MZ173801 Virus ransomware and then remove it without causing any additional harm to your important ..MZ173801 Virus files.

Can I Report Ransomware to Authorities?

In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.

Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:

Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:

Germany - Offizielles Portal der deutschen Polizei

United States - IC3 Internet Crime Complaint Centre

United Kingdom - Action Fraud Police

France - Ministère de l'Intérieur

Italy - Polizia Di Stato

Spain - Policía Nacional

Netherlands - Politie

Poland - Policja

Portugal - Polícia Judiciária

Greece - Cyber Crime Unit (Hellenic Police)

India - Mumbai Police - CyberCrime Investigation Cell

Australia - Australian High Tech Crime Center

Reports may be responded to in different timeframes, depending on your local authorities.

Can You Stop Ransomware from Encrypting Your Files?

Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.

Can .MZ173801 Virus Ransomware Steal Your Data?

Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.

In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.

Can Ransomware Infect WiFi?

Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.

Should I Pay Ransomware?

No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.

What Happens If I Don't Pay Ransom?

If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.

Can a Ransomware Attack Be Detected?

Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.

It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.

Do Ransomware Criminals Get Caught?

Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.

About the .MZ173801 Virus Research

The content we publish on SensorsTechForum.com, this .MZ173801 Virus how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.


How did we conduct the research on this ransomware?

Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.

Furthermore, the research behind the .MZ173801 Virus ransomware threat is backed with VirusTotal and the NoMoreRansom project.

To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.


As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
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