Mzuu Virus – Details
Mzuu is a harmful software functioning as typical ransomware. Michael Gillespie, the popular malware researcher, very first found this new name in the DJVU ransomware family.
Mzuu was developed for the sole function to encrypt all popular file types. Realistically, as quickly as the file encryption is successfully achieved, the users are unable to get access to them. Mzuu ransomware includes its own “.mzuu” to all the encrypted files. For example, the file “price_list.xls”, when crypted by Mzuu, will be entitled as “price_list.xls.mzuu”. When the encryption is accomplished, Mzuu puts its own special text document (_readme.txt) into all the folders that store the encrypted files.
The message stated by document asking for the random os very comparable to the alerts given by other ransomware dangers coming from the DJVU family. The warning basically indicates that the information has been secured and the only option to get access to it is to use a distinct standalone key. Regretfully, this statement is definitely true.
The technique to secure the files utilized by Mzuu is not completely looked into. Nevertheless, there is no doubt that each computer owner may be released a special decryption key, which is definitely special. It is extremely hard to recuperate the data without the suitable key in place.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Mzuu ransomware 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 crooks who have launched the Mzuu virus into the web. In order to acquire the key and bring back the essential data, the users are told to contact the frauds by means of email or by telegram and to pay the ransom in the amount of $980.
The message likewise says that individuals should call the Mzuu authors within 72 hours upon the moment of the information file encryption. The alert shows that by doing so individuals will acquire a 50% discount rate, therefore, the ransom amount falls to $490.
Mzuu crypted your information, nevertheless, it may not be the only threat on your computer. Plus, the ransomware may be hidden deep in the system. To find and erase the threat entirely, we suggest you to refer to the assistance of GridinSoft Anti-Malware .
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No matter what the amount of the ransom is, we highly recommend that you do not pay the ransom. There is no guarantee that these online scoundrels will keep their pledges, so they might not care at all what the victims feel about the encryption, even when the amount of the ransom is gotten into their accounts. For this reason, paying ransom often does not result in an effective recovery. So, the users may just lose their money for nothing.
Similarly, we urge you not to contact the scams as they advise. Do not move money into their wallets. There are no applications that could break the Mzuu ransomware or bring back the information at no cost. For that reason, the only right choice is to bring back the data from possible backups (if readily available).
Virus Summary
| Name | Mzuu Ransomware |
| File Extension | mzuu |
| 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 .mzuu extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Mzuu Removal Tool | GridinSoft Anti-Malware |
| Mzuu Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now filled with infections similar to the Mzuu virus. For instance, this specific threat is basically identical to Brusaf and other ransomware-type infections. These harmful energies have been established in order to secure the crucial information and reveal the demand for the users to pay the ransom. All these infections use the identical algorithm to generate the particular key for successful information decryption.
Unless the Mzuu ransomware is still under the advancement process or has got some concealed bugs, it is not possible to bring back the information by hand. Hence, the only working option to avoid the loss of your important information is to regularly keep current backups of all your crucial documents.
Another crucial piece of guidance is to store the backups on special storage not linked to your primary computer. For example, you might save it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your system drive is extremely risky, given that the backup may likewise be encrypted by the Mzuu .
Leakages for the Mzuu ransomware attack.
Mzuu uses many courses to infiltrate the susceptible computer systems. It is not particular what specific method was used in your case, however, the intrusion might happen through the following channels:
- bundling with third-party programs, generally freeware;
- spam e-mails from the unknown senders;
- sites providing free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Mzuu might disguise itself as some authentic application, for instance, through the misleading informs demanding setup of some software application upgrade. This is the most typical technique used by the frauds to inject the Mzuu virus files into the system. This way users partly take part in its installation, without clearly understanding the risk.
Moreover, the scams may send out unsolicited spam email with difficult notifies encouraging individuals to open suspicious attachments or click some download links, for example, those encouraging the people to open certain photos, text files, tax files and other info.
No doubt, opening these files or clicking the harmful links may essentially damage the system. Fake Adobe Flash Player upgrade notifications may lead to the Mzuu ransomware infiltration. Likewise, downloading the split software may furthermore consist of the ransomware installer. The last however not the least, installation of Mzuu may occur through some Trojan horses that might be installed stealthily into the system and without the user’s direct permission and even approval.
Avoiding the Mzuu ransomware attack.
Naturally, there is no outright guarantee that your computer system will be constantly devoid of any malware attacks, however, we want to share some helpful suggestions with you to make it safer. Make sure to pay extremely attention while searching the web and especially while getting cost-free programs. Do not open any dubious e-mail attachments, particularly if the sender is not understood to you.
Do not forget that certain freeware installer might likewise consist of some other additional apps in the bundle. These extra applications might be extremely destructive. It is of utmost value to keep your anti-virus software application and your operating system in general to be always correctly updated.
It is rather sensible that downloading cracked apps is illegal, nevertheless, in addition, such unauthorized apps use may likewise bring severe damage to your PC. Hence, do not download any broken programs. Plus, the fact that your existing anti-virus did not protect the system from the Mzuu ransomware is an excellent factor for you to reconsider your choices and switch to another program that can render the protecting functions on a far better level.
Below please find the quotation from the Mzuu 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 “.mzuu” extension added by the ransomware:”
Use GridinSoft Anti-Malware to remove Mzuu ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can get 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 mzuu files
You can download 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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