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Remove New n1n1n1 Ransomware and Restore .dat Encrypted Files

shutterstock_271501652Users have begun to complain about “decrypt explanations.html” type of files set on their computers after infection with the newest and second variant of the n1n1n1 ransomware. There are not many differences when it comes to this ransomware virus, and it’s first iterations. However, the virus may be with fixed bugs and flaws to make it more evasive to malware researchers who try to develop a free decryptor for it. Not only this, but n1n1n1 ransomware also uses the file marker 999999 added to the encrypted files to distinguish them from encrypted files of other viruses. In case you have been affected by the n1n1n1’s latest variant, we advise you to read this article carefully to learn how to cope with the virus and attempt to reverse your files to a working state.

Threat Summary



Type Ransomware
Short Description The malware encrypts users files using a strong RSA encryption algorithm, making direct decryption possible only via a unique decryption key available to the cyber-criminals.
Symptoms The user may witness ransom notes and “instructions” and a sound message all linking to a web page and a decryptor. Changed file names and the file-extension .dat has been used.
Distribution Method Via an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by malware


Malware Removal Tool

User Experience Join our forum to Discuss N1N1N1 Ransomware.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

N1n1n1 Ransomware – How Does It Spread

Similar to the previous version of the ransomware, virus may use several types of tools to spread:

  • Exploit kits.
  • JavaScript of malicious character.
  • Other malware that may have previously infected the victim’s computer.

In addition to this the n1n1n1 ransomware could also use spam campaigns of malicious character that allow the makers of the virus to spread it’s payload by a malicious attachments carrying the tools above in combination with obfuscator that will evade any security software.

N1n1n1 v2 Ransomware – Technical Analysis

When it has infected the computer, the n1n1n1 ransomware connects remotely to a host from where it may download one or more malicious files of the following file types:

.exe, .dll, .bat, .vbs, .tmp

Not only this but the files dropped may be preprogrammed to be located on specific Windows folders and the most often targeted folders are usually the system folders, such as:


N1n1n1 ransomware does not end there with it’s preparation stage. The virus may also heavily modify the Windows registry settings, and this may allow it to run on system startup automatically. This is achievable by either dropping files in the %Startup% folder of Windows or using a malicious script to add value strings in the following Windows registry subkeys:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

After the virus is running, one way or another, n1n1n1 immediately gets down to encoding files. The encoded files which it targets are usually the usually targeted types of data that is often associated with documents, pictures, videos, images, database files, Microsoft Office documents and even archives and Adobe .pdf files. The encrypted files’ code looks like the image below with an added 999999 file marker to them, according to researcher Michael Gillespie, who researched a sample of the virus:


Not only this but encrypted files by n1n1n1 ransomware may also have the .dat file format and changed names with alpha numerical and 0-9 identification which also includes other symbols like the down dash (“_”), for example:


In addition to this, the ransomware virus drops a “decrypt explanations.html” file which contains the following ransom message to the victims:

→ “Se I’inglese non e la lingua poi tradurre qui https://translate.google.com
Se o ingles nao nao sua lingua, em seguida, traduzir aqui https://translate.google.com
Si el ingles no es tu idioma y luego traducir aqui https://translate.google.com
Jesli angielski nie jest twoim jezykiem, a nastepnie tluma czyc tutaj https://translate.google.com
Files on your PC have been encrypted, but you can decrypt your files. You should follow step
1. Run your browser, enter in address bar https://www.torproject.org and open this site,
click button ‘download’ and download tor browser and install it.
2. If you can’t load or run tor browser (using step in step above) then download most stable tor browser here:
3. Enter to tor browser address bar www.hffahvbc7ppol5np.onion/decrypt.php
4. Open our secret site and you will see instuctions
If you can not make steps 1. or 2. or 3. or 4. then disable your antivirus and do steps again.
If for any reason you can not open our secret site, or you have questions then
Open google service https://mail.google.com in your usual browser (Google chrome, Firefox or Internet Iexplorer or other).
Sign up (if you don’t have google email yet). Sign in. You will get ..@gmail mail.
Compose e-mail letter and send it to our e-mail: h12345h@sigaint.org
Copy public key (see it below) in letter. Wait 1 or 2 days you will get our answer.
Simple explanations: We gave you the link https://mail.google.com because we checked that google allow send emails to ..@sigaint.org
Therefore don’t use other emails services because we didn’t check that your email service allow send email to ..@sigaint.org
My recommendation: do a photograph on telephone camera this text.
You need do it because soon antivirus can destroy files with this text.
Your public key is

Remove New n1n1n1 Ransomware and Restore .dat Files

The bottom line is that the creators of the virus have likely come up with a new version that may or may not be an improved one. Malware researchers advise against following the ransom instructions posted in the ransom note of the virus and removing the virus instead.

To remove n1n1n1 completely we advise users to focus on following the removal instructions below. In case you are having trouble in manually removing this ransomware virus, you should remove your computer using an advanced anti-malware program which will automatically ensure the removal of the n1n1n1 malware and other viruses along it.

To try and revert your files, we strongly suggest you to guide yourself by the alternative methods in step “2.Restore files encrypted by n1n1n1.” Below. They are focused in providing you with non-guaranteed alternative methods that do not involve paying the ransom. This is why we advise you to backup your files before following them and to try them at your risk.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.

As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.


with Anti-Malware
We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.
SpyHunter 5 free remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy

About the n1n1n1 Research

The content we publish on SensorsTechForum.com, this n1n1n1 how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.

How did we conduct the research on this ransomware?

Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.

Furthermore, the research behind the n1n1n1 ransomware threat is backed with VirusTotal and the NoMoreRansom project.

To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.


1. How to Recognize Spam Emails with Ransomware
2. How Does Ransomware Encryption Work?
3. How to Decrypt Ransomware Files
4. Ransomware Getting Greedier and Bigger, Attacks Increase by 40%
5. 1 in 5 Americans Victim of Ransomware

Windows Mac OS X

How to Remove n1n1n1 from Windows.

Step 1: Boot Your PC In Safe Mode to isolate and remove n1n1n1


Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows Key + R.

2. The "Run" Window will appear. In it, type "msconfig" and click OK.

3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".

Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.

4. When prompted, click on "Restart" to go into Safe Mode.

5. You can recognise Safe Mode by the words written on the corners of your screen.

Step 2: Uninstall n1n1n1 and related software from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:

1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.

2. In the field type in "appwiz.cpl" and press ENTER.

3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"

Follow the instructions above and you will successfully uninstall most programs.

Step 3: Clean any registries, created by n1n1n1 on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by n1n1n1 there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.

2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.

3. You can remove the value of the virus by right-clicking on it and removing it.

Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Scan for n1n1n1 with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

2. After you have installed SpyHunter, wait for it to update automatically.


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.


If any threats have been removed, it is highly recommended to restart your PC.

Video Guide for Automatic and Fast Removal

Step 5 (Optional): Try to Restore Files Encrypted by n1n1n1.

Ransomware infections and n1n1n1 aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.

Step 6: How to Restore Files Encrypted by Ransomware (Video Guide)

Windows Mac OS X

Get rid of n1n1n1 from Mac OS X.

Step 1: Uninstall n1n1n1 and remove related files and objects

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy

1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:

2. Find Activity Monitor and double-click it:

3. In the Activity Monitor look for any suspicious processes, belonging or related to n1n1n1:

Tip: To quit a process completely, choose the “Force Quit” option.

4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.

5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to n1n1n1. If you find it, right-click on the app and select “Move to Trash


6. Select Accounts, after which click on the Login Items preference.

Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to n1n1n1. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.

7. Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove n1n1n1 via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as n1n1n1. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents

Tip: ~ is there on purpose, because it leads to more LaunchAgents.

Click the button below below to download SpyHunter for Mac and scan for n1n1n1:


SpyHunter for Mac

Step 3 (Optional): Try to Restore Files Encrypted by n1n1n1.

Ransomware infections and n1n1n1 aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.

n1n1n1 FAQ

What is n1n1n1 ransomware and how does it work?

n1n1n1 is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.

Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

How does n1n1n1 ransomware infect my computer?

Via several ways.n1n1n1 Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.

This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.

Another way, you may become a victim of n1n1n1 is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to open .n1n1n1 files?

You can't. At this point the .n1n1n1 files are encrypted. You can only open them once they are decrypted.

Decryptor did not decrypt my data. What now?

Do not panic and backup the files. If a decryptor did not decrypt your .n1n1n1 files successfully, then do not despair, because this virus is still new.

One way to restore files, encrypted by n1n1n1 ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.

How Do I restore ".n1n1n1" files (Other Methods)?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .n1n1n1 files.

These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How do I get rid of n1n1n1 ransomware virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate n1n1n1 ransomware and then remove it without causing any additional harm to your important .n1n1n1 files.

Also, keep in mind that viruses like n1n1n1 ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.

What to Do If nothing works?

There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:

  • Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
  • Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
  • Also, check if some of the files that were encrypted it can be re-downloaded from the web.
  • Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
  • You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.

More tips you can find on our forums, where you can also asks any questions about your ransomware problem.

How to Report Ransomware to Authorities?

In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer. Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:

Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:

Reports may be responded to in different timeframes, depending on your local authorities.

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