Nztt – Ransomware
Nztt is a destructive software application working as typical ransomware. Michael Gillespie, the widely known malware researcher, very first discovered this new name in the DJVU ransomware family.
Nztt was developed for the sole purpose to encrypt all popular file types. Realistically, as soon as the file encryption is successfully achieved, the users are unable to get access to them. Nztt virus adds its own “.nztt” to all the encrypted data. For example, the file “price_list.xls”, as soon as modified by Nztt, will be titled as “price_list.xls.nztt”. Once the encryption is achieved, Nztt puts its own special text file (_readme.txt) into all the folders that store the encrypted files.
The alert specified by text file requesting for the random os extremely similar to the notifications offered by other ransomware hazards coming from the DJVU family. The caution generally shows that the information has been secured and the only solution to get access to it is to use an unique standalone key. Regretfully, this declaration is absolutely true.
The technique to encrypt the files used by Nztt is not entirely looked into. Nevertheless, there is no doubt that each computer system owner might be released a special decryption key, which is absolutely distinct. It is very hard to recover 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 Nztt virus is that the users are not able to get access to the key. The decrypting key is hosted on an unique server under the complete control by the scoundrels who have released the Nztt infection into the world wide web. In order to acquire the key and restore the important data, the users are informed to get in touch with the scams by means of e-mail or by telegram and to pay the ransom in the amount of $980.
The message also says that individuals should get in touch with the Nztt authors within 72 hours upon the minute of the information encryption. The alert shows that by doing so individuals will obtain a 50% discount, for that reason, the ransom quantity drops down to $490.
Nztt encrypted your files, however, it may not be the only risk on your computer. Plus, the ransomware may be concealed deep in the system. To identify and delete the hazard entirely, we advise you to refer to the assistance of GridinSoft Anti-Malware app.
Download GridinSoft Anti-Malware
GridinSoft Anti-Malware Review, How to get free trial?, EULA, and Privacy Policy.
No matter what the amount of the ransom is, we strongly encourage that you do not pay the ransom. There is no guarantee that these online criminals will keep their guarantees, so they may not care at all what the victims feel about the file encryption, even when the quantity of the ransom is received into their accounts. Thus, paying ransom often does not lead to an effective recovery. So, the users may just lose their money for absolutely nothing.
Similarly, we prompt you not to get in touch with the frauds as they instruct. Do not transfer cash into their wallets. There are no applications that might break the Nztt ransomware or restore the data at no charge. For that reason, the only appropriate choice is to restore the data from possible backups (if available).
Virus Summary
| Name | Nztt Ransomware |
| File Extension | nztt |
| 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 .nztt extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Nztt Removal Tool | GridinSoft Anti-Malware |
| Nztt Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now loaded with infections similar to the Nztt ransomware. For example, this specific threat is essentially identical to Brusaf and other ransomware-type infections. These harmful energies have been established in order to secure the important information and reveal the demand for the users to pay the ransom. All these infections utilize the identical algorithm to create the specific key for successful files decryption.
Unless the Nztt ransomware is still under the advancement process or has actually got some concealed bugs, it is not possible to restore the information by hand. Hence, the only working option to avoid the loss of your crucial data is to frequently maintain updated backups of all your essential data.
Another important piece of advice is to store the backups on special storage not linked to your main computer. For example, you may keep 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 very dangerous, since the backup may likewise be encrypted by the Nztt ransomware.
Leaks for the Nztt ransomware attack.
Nztt uses lots of paths to penetrate the vulnerable computer systems. It is not particular what specific technique was used in your case, nevertheless, the intrusion may take place through the following channels:
- bundling with third-party programs, generally free software;
- spam emails from the unidentified senders;
- websites supplying free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Nztt might camouflage itself as some authentic application, for instance, through the misleading signals requiring setup of some software application update. This is the most common trick used by the scams to inject the Nztt virus files into the system. In this manner users partly take part in its setup, without clearly understanding the danger.
Furthermore, the frauds might send unsolicited spam e-mail with tricky notifies encouraging the people to open dubious accessories or click some download links, for example, those encouraging individuals to open specific images, text files, tax documents and other info.
No doubt, opening these files or clicking the harmful links may essentially harm the system. Fake Acrobat Reader upgrade notifications may cause the Nztt ransomware infiltration. Likewise, downloading the cracked software application might additionally contain the ransomware installer. The last however not the least, setup of Nztt may occur through some Trojan horses that might be installed stealthily into the system and without the user’s direct approval or even permission.
Preventing the Nztt ransomware injection.
Obviously, there is no absolute guarantee that your computer will be always free of any malware attacks, nevertheless, we would like to share some beneficial pointers with you to make it more secure. Make sure to pay really close attention while browsing the web and specifically while downloading cost-free programs. Do not open any dubious e-mail accessories, specifically if the sender is not understood to you.
Do not forget that particular freeware installer may also include some other additional apps in the bundle. These additional applications might be extremely damaging. It is of utmost importance to keep your anti-virus software and your operating system in general to be constantly correctly updated.
It is rather logical that downloading pirated programs is prohibited, nevertheless, additionally, such unauthorized software application use may likewise bring severe damage to your computer. Thus, do not download any split programs. Plus, the truth that your present anti-virus did not protect the system from the Nztt ransomware is an excellent factor for you to reconsider your options and change to another program that can render the safeguarding functions on a much better level.
Below please find the quotation from the Nztt 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 “.nztt” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Nztt 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 nztt 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.
User Review
( votes)
