What Is Mmvb Virus?
Mmvb virus is the name of a ransom ware infection, which belongs to the STOP/DJVU Family of viruses. The main issue that this virus poses your machine is that it may perform a lot of different activities that may result in encrypting your files, adding the .mmvb file extensions after their names. Then, the virus leaves behind a ransom note, that is called _readme.txt and whose main purpose is to get you to be a large ransom fee to the criminals that are behind the virus, which is to be transferred in the anonymous cryptocurrency Bitcoin.
Read this article if you want to understand more about how this virus get inside your device and what you can do to fully remove it and fix your files.
|Name||Mmvb virus, also known as UDS:Trojan.Win32.Chapak.gen, Ransom:Win32/StopCrypt.KM!MTB, Win32:PWSX-gen [Trj], Win32:PWSX-gen [Trj], A Variant Of Win32/GenKryptik.FHJB – more detections of this virus on VirusTotal|
|Short Description||The ransomware encrypts files on your computer system and demands a ransom to be paid to allegedly recover them.|
|Symptoms||The Mmvb Virus ransomware will encrypt your files by appending the .mmvb extension to them.|
|Ransom Demanding Note||_readme.txt|
|Distribution Method||Spam Emails, Email Attachments|
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Mmvb Virus – How Did I Get Infected?Mmvb virus is part of a large ransomware family, also known as STOP/DJVU. It features many similar variants that share the same code, but with different file extensions, like the recently detected Loov, Luez and Miia variants.
There are several different methods by which these viruses can end up on your computer system and one of them is if it gets sent to you via email. If this is the case, then the possibility that the files to appear like important and legitimate documents is very high. They could pose as the following:
- E-Tickets for events or flights.
- Work-related files.
When the infection file is downloaded and executed, the following process might take place:
Another way to get infected with this virus is if you have opened some type of a file that is downloaded from a website with a low reputation, for example:
- Self extracting archives or regular archives.
- Fake installation files.
- Software patches.
- Cracked portable versions of apps.
- Software or game cracks.
- Key generator (or Keygen).
Mmvb Ransomware – What Does It Do?Mmvb ransomware virus may trigger a script that connects to the server of the cyber criminals that have created this infection and then download its malicious files on your computer. They could be located in the following folders:
The virus also leaves behind its ransom note file, that is called _readme.txt and has the following message to the victim:
Furthermore, this infection may also tamper with the Windows Registry Editor, more particular with the following registry sub-keys:
Modifying these registries may allow the Mmvb virus to run each time when you boot Windows.
What Are .mmvb Files
The .mmvb files are the result of the encryption process of this virus. They are copies of the original files that you have on your computer, with the exception that the original files were deleted and these files are with a changed data structure. The new files contain the AES encryption algorithm in their code and cannot be opened, unless you have a decryption key.
This virus scans for your files to encrypt them, and encodes only files that are outside of system directories of Windows. The following types of files may be encoded:
- Audio (.mp3, .wav, etc.).
- Picture file kinds (.jpg, .png, .etc).
- Videos (.mp4, .avi, etc.).
- Archive file formats (.zip, .rar, etc).
- Documents of different types (.docx, .pptx, etc.).
Once the ransomware encodes your files, it may leave them with its own file extension, appearing like the following:
How to Remove Mmvb Virus?
How to Decrypt .mmvb Files?
If you want a method that will help with crypto files, we suggest that you follow the video instructions below or the STOP Ransomware File Decryption Guide.
Video guide for using the STOP Ransomware Decryptor:
If your decryption key is online-based, then we would strongly suggest that you try out the alternative methods that we have created for file recovery below. They may not help with all of your files, but they could recover at least some of them.
What is Mmvb Ransomware?
Mmvb 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.
Can Mmvb Ransomware Cayse Damage?
Yes, ransomware can damage your computer. Ransomware is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
Should I Ignore Viruses, Like Mmvb?
No, you should never ignore ransomware. It can encrypt your data and block access to your computer, making it impossible to access your files until you pay a ransom.
Ignoring ransomware could lead to the permanent loss of your data, as well as the potential for the ransomware to spread to other computers on your network. Additionally, paying the ransom does not guarantee that your data will be recovered.
How Does Mmvb Infect?
Via several ways.Mmvb 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.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way you may become a victim of Mmvb 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 .Mmvb files?
You can't. At this point, the .Mmvb files are encrypted. You can only open them once they are decrypted using a specific decryptionkey 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 .Mmvb files successfully, then do not despair, because this virus is still new.
Can I Restore ".Mmvb" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Mmvb 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 Mmvb 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 Mmvb ransomware and then remove it without causing any additional harm to your important .Mmvb files.
Also, keep in mind that viruses like Mmvb ransomware also install Trojans and keyloggers that can steal your passwords and accounts.
What to Do If I Cant Get The Files Back?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted can be re-downloaded from the web.
- Another clever way is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to 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 Mmvb 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.
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.
Why Is the Ransom Paid in Crypto?
Cryptocurrency is a secure and untraceable form of payment, making it the ideal choice for ransom payments. It is difficult to trace, and the transactions are almost instantaneous. This means it is nearly impossible for authorities to track the payment and recover the money.
Can 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 Mmvb Research
The content we publish on SensorsTechForum.com, this Mmvb 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.
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.
- Verify Facebook, LinkedIn and Twitter personal profiles.