What Is Maiv?
Maiv virus is a STOP/DJVU ransomware variant, that is created with the main purpose to enter your computer and encrypt the files on your computer system in order to extort you into paying ransom to the cyber-crooks behind it. The main idea is to get the files’ core data changed using AES encryption and then leave them with the .maiv file extension after their original name. The virus then ads a _readme.txt ransom note file, created specifically in order to contain the ransom instructions for the victims to follow.
Read this article to learn more information, concerning Maiv virus and how you can get it rid of your computer, using the instructions in it.
Maiv Virus Summary
Name | Maiv 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 |
File Extension | .maiv |
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 Maiv Virus ransomware will encrypt your files by appending the .Maiv extension to them. |
Ransom Demanding Note | _readme.txt |
Distribution Method | Spam Emails, Email Attachments |
Detection Tool |
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Maiv Virus – How Did I Get Infected?
Maiv virus is just like some of the more recently seen variants of this family, such as Qqqe, Qqqw and Yoqs ones.
These viruses may all infect your computer in the same ways. One of them is if you have downloaded some type of executable file, that turns out to be the infection instead. Such files are commonly uploaded on low reputation third-party websites, like:
- Cracked portable versions of apps.
- Software or game cracks.
- Key generator (or Keygen).
- Self extracting archives or regular archives.
- Fake installation files.
- Software patches.
Maiv virus may be sent to you as a fake document that poses as a legitimate and important e-mail attachment in some form of spoofed e-mail. Such files can often appear like the following:
- Invoices.
- Work-related files.
- Receipts.
- E-Tickets for events or flights.
The documents that may be downloaded on your computer can trigger malicious Macros infection, with the following activities that may occur without you knowing.
Maiv Virus – What Does It Do?
Maiv virus may firstly trigger infection scripts. They allow the malware to connect to a hidden IP of the hackers, from where it could download its malicious files that can appear on the following Windows directories:
- %LocalLow%
- %Windows%
- %SystemDrive%
- %AppData%
- %Local%
- %Temp%
- %System%
- %system32%
Maiv virus is the kind of malware that makes sure you also see its ransom note file, because it is the way criminals make you pay them BitCoin by contacting them:
Not only this, but the virus attacks the Registry Editor as well, more importantly the “Run” and “RunOnce” keys, where it ads value strings:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
What Are .maiv Files
If you see your files appearing with the .maiv extension then you should know that they are encoded using AES encryption algorithm and removing the extension will not fix the files, since this encryption has changed the files’ data.
The main files affected by this arte of the following types:
- Videos (.mp4, .avi, etc.).
- Audio (.mp3, .wav, etc.).
- Picture file kinds (.jpg, .png, .etc).
- Archive file formats (.zip, .rar, etc).
- Documents of different types (.docx, .pptx, etc.).
- Others.
Be advised that the virus leaves the files appearing like the example below displays:
Picture.jpg.maiv
How to Remove Maiv Virus?
To remove Maiv virus from your computer system, our main recommendation is to follow the steps beneath this article. These steps are created to help you to remove the virus by yourself or automatically. In case you do not have the time or the experience to remove the virus by yourself by using the information provided in this article, then we would advise that you use the automatic solution, as many experts would advise. It includes downloading and scanning your computer with anti-malware software. Such a security tool is specifically created with the primary idea to thoroughly scan your machine, remove any traces of this virus from it and protect it in the future as well.
How to Decrypt .maiv Files?
Maiv virus files can be recovered by following the STOP Ransomware File Decryption Guide we have created. It includes the usage of the official decryptor program for this virus, which is created by independent malware researchers and is available publicly and for free. The video guide below also has the same instructions, so you can also watch it, in case you find it more convenient. Be advised that this software will work if you’re decryption key is offline. In case it is online, we suggest that you try the alternative methods in the guide below. They may not be 100% guaranteed to get all of your files back, but with their help, you can restore at least some of them.
Video guide for using the STOP Ransomware Decryptor:
- Step 1
- Step 2
- Step 3
- Step 4
- Step 5
Step 1: Scan for Maiv with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall Maiv 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:
Step 3: Clean any registries, created by Maiv 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 Maiv there. This can happen by following the steps underneath:
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 Maiv
Step 5: Try to Restore Files Encrypted by Maiv.
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:
2. Agree with the license terms:
3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:
4. Click on "Decrypt" and wait for your files to be decoded.
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 Maiv 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.
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.
Maiv-FAQ
What is Maiv Ransomware?
Maiv 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 Maiv 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 Maiv Infect?
Via several ways.Maiv 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 Maiv 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 .Maiv files?
You can't without a decryptor. At this point, the .Maiv 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 .Maiv files successfully, then do not despair, because this virus is still new.
Can I Restore ".Maiv" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Maiv 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 Maiv 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 Maiv ransomware and then remove it without causing any additional harm to your important .Maiv 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 Maiv 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 Maiv Research
The content we publish on SensorsTechForum.com, this Maiv 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 Maiv 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.
- Verify Facebook, LinkedIn and Twitter personal profiles.