Mztu Virus – Details
Mztu is a harmful software working as typical ransomware. Michael Gillespie, the popular virus researcher, first found this new name in the DJVU ransomware family.
Mztu was created for the sole function to encrypt all popular file types. Realistically, as soon as the file encryption is effectively accomplished, the users are not able to get access to them. Mztu ransomware adds its own “.mztu” to all the encrypted files. For example, the file “price_list.xls”, when crypted by Mztu, will be entitled as “price_list.xls.mztu”. Once the file encryption is accomplished, Mztu puts its own distinct text file (_readme.txt) into all the folders that keep the encrypted files.
The alert mentioned by document requesting for the random os really similar to the alerts offered by other ransomware risks coming from the DJVU family. The warning generally shows that the files have been encrypted and the only option to get access to it is to use an unique standalone key. Regretfully, this declaration is absolutely true.
The approach to secure the files utilized by Mztu is not completely researched. Nevertheless, there is no doubt that each computer owner may be issued an unique decryption key, which is definitely distinct. It is exceptionally hard to recover the information without the appropriate type in place.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Mztu virus is that the users are unable to get access to the key. The decrypting key is hosted on an unique server under the complete control by the criminals who have actually released the Mztu virus into the internet. In order to acquire the key and restore the essential data, the users are informed to contact the frauds via e-mail or by telegram and to pay the ransom in the quantity of $980.
The message also says that individuals ought to get in touch with the Mztu authors within 72 hours upon the moment of the data file encryption. The alert suggests that by doing so the people will get a 50% discount rate, therefore, the ransom amount drops down to $490.
Mztu modified your information, nevertheless, it may not be the only threat on your computer. Plus, the ransomware may be concealed deep in the system. To detect and delete the threat entirely, we advise you to refer to the help of GridinSoft Anti-Malware .
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No matter what the amount of the ransom is, we strongly encourage that you do not pay the ransom. There is no assurance that these online scoundrels will keep their pledges, so they may not care at all what the victims feel about the encryption, even when the quantity of the ransom is received into their accounts. Hence, paying ransom frequently does not lead to a successful healing. So, the users might just lose their money for absolutely nothing.
Likewise, we advise you not to contact the frauds as they instruct. Do not transfer loan into their wallets. There are no applications that might break the Mztu ransomware or restore the information at no cost. For that reason, the only appropriate choice is to restore the data from possible backups (if readily available).
Virus Summary
| Name | Mztu Ransomware |
| File Extension | mztu |
| Type | Ransomware |
| Family | DJVU |
| Short Description | The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files. |
| Symptoms | File encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .mztu extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Mztu Removal Tool | GridinSoft Anti-Malware |
| Mztu Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now loaded with infections comparable to the Mztu virus. For instance, this specific danger is basically similar to Brusaf and other ransomware-type infections. These destructive utilities have been established in order to encrypt the crucial information and reveal the need for the users to pay the ransom. All these infections use the identical algorithm to generate the particular key for effective files decryption.
Unless the Mztu ransomware is still under the advancement procedure or has actually got some concealed bugs, it is not possible to restore the data manually. Hence, the only working option to prevent the loss of your essential data is to regularly keep updated backups of all your essential files.
Another crucial piece of suggestions is to store the backups on unique storage not connected to your main computer. For instance, you might store it on the USB Flash Drive, or some external hard disk, or by using the cloud data storage services. Keeping the backups on your routine drive is extremely dangerous, considering that the backup might likewise be secured by the Mztu virus.
Leaks for the Mztu ransomware attack.
Mztu uses many courses to infiltrate the susceptible computer systems. It is not specific what particular approach was utilized in your case, nevertheless, the intrusion may take place through the following channels:
- bundling with third-party programs, generally free apps;
- spam e-mails from the unknown senders;
- websites offering free hosting;
- P2P (peer-to-peer) torrent software.
There are times when the Mztu virus might disguise itself as some genuine application, for instance, through the deceptive signals requiring setup of some software update. This is the most common trick utilized by the frauds to inject the Mztu virus files into the system. In this manner users partially participate in its setup, without plainly understanding the risk.
In addition, the scams may send unsolicited spam email with tricky alerts motivating the people to open dubious attachments or click on some download links, for example, those motivating individuals to open certain photos, text files, tax files and other info.
No doubt, opening these files or clicking on the harmful links might basically harm the system. Fake Acrobat Reader upgrade notices may lead to the Mztu ransomware seepage. Similarly, downloading the split software may in addition consist of the ransomware installer. The last but not the least, setup of Mztu might happen through some Trojan horses that may be installed stealthily into the system and without the user’s direct consent or even approval.
Avoiding the Mztu ransomware injection.
Naturally, there is no outright warranty that your computer will be always devoid of any malware attacks, however, we want to share some beneficial ideas with you to make it safer. Make certain to pay really close attention while searching the web and specifically while getting cost-free programs. Do not open any dubious e-mail attachments, especially if the sender is not known to you.
Do not forget that particular freeware installer may also consist of some other additional apps in the bundle. These additional applications may be really damaging. It is of utmost importance to keep your anti-virus software application and your operating system in general to be always appropriately upgraded.
It is quite rational that downloading cracked programs is prohibited, nevertheless, in addition, such unapproved programs usage might also bring severe damage to your computer. For this reason, do not download any broken programs. Plus, the truth that your current anti-virus did not protect the system from the Mztu ransomware is a great reason for you to reevaluate your options and switch to another program that can render the safeguarding functions on a much better level.
Below please find the quotation from the Mztu text file:
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-2P5WrE5b9f Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: restorealldata@firemail.cc Reserve e-mail address to contact us: gorentos@bitmessage.ch Our Telegram account: @datarestore
Screenshot of files with “.mztu” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Mztu ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
2. Double-click on the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
3. Press Install button for run GridinSoft Anti-Malware.
3.Once installed, GridinSoft Anti-Malware will automatically run.
4. Wait for the GridinSoft Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.
5. Click on “Clean Now”.
When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
Use Emsisoft Decryptor for restore mztu files
You can get Emsisoft Decryptor by clicking the button below:
- Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
- Once the license terms are accepted, the primary decryptor user interface opens.
- By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
- Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
- After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
- The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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