Miis Virus Ransomware
Miis is a malicious software working as common ransomware. Michael Gillespie, the popular malware researcher, first discovered this new name in the DJVU ransomware family.
Miis was created for the sole function to encrypt all popular file types. Rationally, as soon as the encryption is successfully accomplished, the users are not able to get access to them. Miis ransomware adds its own “.miis” to all the encrypted data. For instance, the file “price_list.xls”, when modified by Miis, will be titled as “price_list.xls.miis”. When the file encryption is achieved, Miis puts its own special text document (_readme.txt) into all the folders that save the encrypted files.
The alert specified by text file requesting for the random os extremely comparable to the notifications offered by other ransomware threats belonging to the DJVU family. The caution essentially shows that the files have been encrypted and the only solution to get access to it is to use a distinct standalone key. Regretfully, this statement is absolutely real.
The technique to secure the files utilized by Miis is not totally looked into. However, there is no doubt that each computer system owner might be released an unique decryption key, which is definitely unique. It is exceptionally hard to recuperate the data without the proper type in place.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Miis 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 scoundrels who have actually launched the Miis ransomware into the internet. In order to get the key and restore the essential data, the users are told to get in touch with the frauds through e-mail or by telegram and to pay the ransom in the amount of $980.
The message also states that the people ought to contact the Miis authors within 72 hours upon the moment of the information file encryption. The alert suggests that by doing so the people will acquire a 50% discount, therefore, the ransom amount drops down to $490.
Miis crypted your files, nevertheless, it may not be the only risk on your computer. Plus, the ransomware may be concealed deep in the system. To spot and delete the hazard entirely, we suggest you to describe the assistance of GridinSoft Anti-Malware app.
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No matter what the amount of the ransom is, we strongly recommend that you do not pay the ransom. There is no assurance 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 quantity of the ransom is gotten into their accounts. For this reason, paying ransom frequently does not lead to a successful healing. So, the users may merely lose their money for absolutely nothing.
Similarly, we advise you not to call the frauds as they instruct. Do not transfer cash into their wallets. There are no applications that might break the Miis virus or bring back the information at no charge. For that reason, the only correct decision is to restore the data from possible backups (if offered).
Virus Summary
| Name | Miis Ransomware |
| File Extension | miis |
| 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 .miis extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Miis Removal Tool | GridinSoft Anti-Malware |
| Miis Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now filled with infections comparable to the Miis ransomware. For instance, this specific danger is essentially identical to Brusaf and other ransomware-type infections. These damaging utilities have been established in order to secure the essential data and reveal the demand for the users to pay the ransom. All these infections utilize the similar algorithm to create the specific key for effective data decryption.
Unless the Miis ransomware is still under the development process or has actually got some concealed bugs, it is not possible to restore the information by hand. Thus, the only working service to prevent the loss of your crucial information is to frequently maintain current backups of all your vital data.
Another important piece of recommendations is to save the backups on unique storage not connected to your primary PC. For example, you may save it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your system drive is very dangerous, because the backup may likewise be secured by the Miis infection.
Leaks for the Miis ransomware attack.
Miis uses many paths to penetrate the vulnerable computer systems. It is not certain what specific technique was utilized in your case, however, the intrusion might happen by means of the following channels:
- bundling with third-party programs, generally free software;
- spam e-mails from the unknown senders;
- websites offering complimentary hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Miis may camouflage itself as some genuine application, for instance, through the deceptive signals requiring setup of some software update. This is the most common trick used by the scams to inject the Miis ransomware files into the system. In this manner users partly participate in its installation, without clearly comprehending the threat.
In addition, the frauds may send unsolicited spam e-mail with challenging signals encouraging the people to open dubious accessories or click some download links, for instance, those encouraging the people to open specific pictures, text files, tax documents and other info.
No doubt, opening these files or clicking on the malicious links may basically damage the system. Fake Acrobat Reader upgrade notices may lead to the Miis ransomware seepage. Likewise, downloading the cracked software might in addition contain the ransomware installer. The last however not the least, setup of Miis may happen through some Trojan horses that might be installed stealthily into the system and without the user’s direct permission and even approval.
Preventing the Miis injection.
Obviously, there is no absolute assurance that your computer system will be constantly free of any malware attacks, nevertheless, we want to share some beneficial suggestions with you to make it safer. Make certain to pay very attention while searching the web and especially while downloading cost-free programs. Do not open any suspicious e-mail accessories, especially if the sender is not understood to you.
Do not forget that particular freeware installer may also contain some other additional apps in the package. These additional applications might be extremely destructive. It is of utmost significance to keep your anti-virus software and your os in basic to be constantly correctly upgraded.
It is rather sensible that downloading pirated software is prohibited, nevertheless, additionally, such unapproved software use may likewise bring major damage to your computer. Hence, do not download any split programs. Plus, the reality that your current anti-virus did not protect the system from the Miis ransomware is an excellent reason for you to reconsider your choices and switch to another program that can render the protecting functions on a better level.
Below please find the quotation from the Miis 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 “.miis” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Miis 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 miis 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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