Niwm – Ransomware
Niwm is a harmful software functioning as typical ransomware. Michael Gillespie, the popular virus researcher, first discovered this new name in the DJVU ransomware family.
Niwm was created for the sole purpose to encrypt all popular file types. Logically, as soon as the encryption is successfully accomplished, the users are unable to get access to them. Niwm ransomware includes its own “.niwm” to all the encrypted files. For instance, the file “price_list.xls”, when modified by Niwm, will be titled as “price_list.xls.niwm”. As soon as the encryption is accomplished, Niwm puts its own unique text file (_readme.txt) into all the folders that keep the encrypted files.
The alert stated by text file asking for the random os extremely similar to the notifications provided by other ransomware hazards belonging to the DJVU family. The caution essentially indicates that the files have been encrypted and the only solution to get access to it is to use a special standalone key. Regretfully, this statement is definitely true.
The method to encrypt the files used by Niwm is not totally investigated. Nevertheless, there is no doubt that each computer system owner might be released an unique decryption key, which is absolutely special. It is exceptionally difficult to recover the information without the appropriate key in location.
“Don’t worry, you can return all your files!”, from text file message:
One more peculiarity of the Niwm 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 scoundrels who have launched the Niwm virus into the web. In order to obtain the key and restore the crucial information, the users are informed to get in touch with the frauds by means of email or by telegram and to pay the ransom in the quantity of $980.
The message also states that individuals ought to call the Niwm authors within 72 hours upon the moment of the information encryption. The alert indicates that by doing so the people will acquire a 50% discount rate, for that reason, the ransom quantity drops down to $490.
Niwm encrypted your data, nevertheless, it might not be the only danger on your computer. Plus, the ransomware might be concealed deep in the system. To find and delete the hazard completely, we suggest you to refer to the help of GridinSoft Anti-Malware .
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No matter what the quantity 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 promises, so they may not care at all what the victims feel about the encryption, even when the quantity of the ransom is gotten into their accounts. Hence, paying ransom typically does not lead to a successful recovery. So, the users may simply lose their money for nothing.
Likewise, we prompt you not to call the frauds as they instruct. Do not transfer money into their wallets. There are no applications that might crack the Niwm ransomware or bring back the information at no cost. For that reason, the only appropriate choice is to bring back the information from possible backups (if available).
Virus Summary
| Name | Niwm Ransomware |
| File Extension | niwm |
| 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 .niwm extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Niwm Removal Tool | GridinSoft Anti-Malware |
| Niwm Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now filled with infections comparable to the Niwm virus. For instance, this specific risk is basically similar to Brusaf and other ransomware-type infections. These damaging utilities have actually been established in order to secure the crucial data and express the demand for the users to pay the ransom. All these infections utilize the similar algorithm to produce the particular key for successful data decryption.
Unless the Niwm ransomware is still under the development procedure or has actually got some concealed bugs, it is not possible to restore the information manually. Thus, the only working option to prevent the loss of your essential information is to regularly preserve current backups of all your important data.
Another essential piece of recommendations is to store the backups on unique storage not linked to your main computer. For instance, you may keep it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is really risky, because the backup might also be secured by the Niwm ransomware.
Leakages for the Niwm ransomware attack.
Niwm utilizes many courses to penetrate the vulnerable computer systems. It is not certain what specific method was utilized in your case, nevertheless, the intrusion might happen by means of the following channels:
- bundling with third-party programs, primarily free apps;
- spam emails from the unidentified senders;
- sites offering free hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Niwm ransomware may camouflage itself as some authentic application, for example, through the deceptive signals demanding setup of some software application upgrade. This is the most typical technique utilized by the frauds to inject the Niwm virus files into the system. By doing this users partially take part in its installation, without plainly comprehending the threat.
Additionally, the scams might send out unsolicited spam email with tricky informs motivating individuals to open suspicious accessories or click on some download links, for instance, those motivating the people to open particular pictures, text files, tax documents and other info.
No doubt, opening these files or clicking on the destructive links may basically harm the system. Fake Acrobat Reader upgrade alerts may result in the Niwm ransomware seepage. Similarly, downloading the broken software may in addition consist of the ransomware installer. The last however not the least, installation of Niwm may take place through some Trojan horses that might be set up stealthily into the system and without the user’s direct authorization or perhaps approval.
Avoiding the Niwm injection.
Obviously, there is no absolute assurance that your computer system will be constantly free of any malware attacks, nevertheless, we would like to share some beneficial suggestions with you to make it safer. Ensure to pay extremely very close attention while searching the web and especially while getting cost-free programs. Do not open any suspicious e-mail accessories, particularly if the sender is not understood to you.
Do not forget that particular freeware installer may likewise include some other additional apps in the bundle. These extra applications may be extremely destructive. It is of utmost importance to keep your anti-virus software application and your os in basic to be always properly upgraded.
It is rather logical that downloading cracked programs is illegal, nevertheless, additionally, such unapproved software application use may also bring major damage to your computer. For this reason, do not download any split programs. Plus, the truth that your present anti-virus did not secure the system from the Niwm ransomware is a great reason 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 Niwm 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 “.niwm” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Niwm 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 niwm 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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