Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (2024)

Home > Ransomware > Nols Virus (.nols File Ransomware) – How to Remove + Restore Files

by Ventsislav Krastev | Last Update: |0 Comments

This material has been created to explain what is the Nols virus and how to remove this ransomware plus how you can attempt and restore .nols encrypted files on your computer.

The Nols virus is actually a ransomware infection, whose primary purpose is to enter your computer and then encrypt the important documents, videos, images and other sensitive data in your PC. The virus is a variant of the STOP Ransomware family of crypto malware. It aims to extort you into paying hundreds of dollars in BitCoins so that the cyber-criminals who are behind it can encrypt files. Read this article if you want to remove Nols virus completely from your computer and try to restore files, encrypted by it.

On this page:

Threat SummaryNols Virus – How Did I Get It and What Does It Do?Remove Nols Virus and Try Restoring Files

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (2)

Threat Summary

NameNols Virus
TypeRansomware, Cryptovirus
Short DescriptionAims to encrypt files and then ad its custom file extension to them,
SymptomsFiles are encrypted and cannot be opened. The Nols Virus also drops a ransom note file, containing the extortionist message.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection ToolSee If Your System Has Been Affected by malwareDownload Malware Removal Tool
User ExperienceJoin Our Forum to Discuss Nols Virus.
Data Recovery ToolWindows 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.

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (3)

Nols Virus – How Did I Get It and What Does It Do?

The Nols virus is a part of the STOP Ransomware virus family, following the Werd Virus variant and aims to infect computers via several different types of methods. The main one of those methods includes spreading the infection files of this ransomware by uploading them to various different types of webistes. These types of sites are usually software download websites, whose primary purpose is to offer programs for free download. Not only this, but also the Nols virus may also be spread as a result of being added on spam e-mails as an e-mail attachment. There it may only seem as a legitimate document or some sort of a receipt or an invoice, but when you download and execute it, the infectio with the Nols virus virus may be triggered.

Once the Nols virus has already infected your computer, it may begin to drop its virus files in the following Windows directories:

  • %AppData%
  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

Not only this, but also the Nols Virus may begin to perform malicious activities on your computer before it actually encrypts files. These activities are usually the following:

  • Create mutexes.
  • Touch system files.
  • Modify the Run and RunOnce Windows registries.
  • Obtain system information from your computer.
  • Relay information.
  • Obtain rights as an administrator to read and write files.

Among the files dropped on your computer is usually the _readme.txt ransom note file, that has the following instructions on how to pay ransom and get your files back:

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-514KtsAKtH
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:
gorentos@bitmessage.ch

Reserve e-mail address to contact us:
gorentos2@firemail.cc

Our Telegram account:
@datarestore

Your personal ID:

Once the virus has infected your computer, you should expect it to attack files that are most often used while skipping system files belonging to Windows. The file types that may be attacked by Nols virus could be the following:

“PNG .PSD .PSPIMAGE .TGA .THM .TIF .TIFF .YUV .AI .EPS .PS .SVG .INDD .PCT .PDF .XLR .XLS .XLSX .ACCDB .DB .DBF .MDB .PDB .SQL .APK .APP .BAT .CGI .COM .EXE .GADGET .JAR .PIF .WSF .DEM .GAM .NES .ROM .SAV CAD Files .DWG .DXF GIS Files .GPX .KML .KMZ .ASP .ASPX .CER .CFM .CSR .CSS .HTM .HTML .JS .JSP .PHP .RSS .XHTML. DOC .DOCX .LOG .MSG .ODT .PAGES .RTF .TEX .TXT .WPD .WPS .CSV .DAT .GED .KEY .KEYCHAIN .PPS .PPT .PPTX ..INI .PRF Encoded Files .HQX .MIM .UUE .7Z .CBR .DEB .GZ .PKG .RAR .RPM .SITX .TAR.GZ .ZIP .ZIPX .BIN .CUE .DMG .ISO .MDF .TOAST .VCD SDF .TAR .TAX2014 .TAX2015 .VCF .XML Audio Files .AIF .IFF .M3U .M4A .MID .MP3 .MPA .WAV .WMA Video Files .3G2 .3GP .ASF .AVI .FLV .M4V .MOV .MP4 .MPG .RM .SRT .SWF .VOB .WMV 3D .3DM .3DS .MAX .OBJ R.BMP .DDS .GIF .JPG ..CRX .PLUGIN .FNT .FON .OTF .TTF .CAB .CPL .CUR .DESKTHEMEPACK .DLL .DMP .DRV .ICNS .ICO .LNK .SYS .CFG”

After the files have been encrypted, this means that blocks of data from those files is replaced with data from the encryption algorithm and the only way to reverse this process is to use a decrypton key to decrypt (unlock) them.

After encryption, the files assume the following file extension:

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (5)

Remove Nols Virus and Try Restoring Files

To remove Nols virus, we strongly recommend that you follow the removal instructions underneath this article. They have been created to help you delete this virus step by step from your computer. If you want maximum effectiveness and faster removal of Nols virus, we strongly suggest that you download and run a scan of your computer by using an advanced malware removal software. Such program is dedicated towards detecting and removing all related objects to threats like Nols virus and making sure your machine stays safe against such files in the future as well.

If you want to try and restore files that have been encoded by this ransomware, we suggest that you try using the alternative tools we have suggested underneath. They may not be a 100% solution, but with their aid, you could be able to recover at least some data.

Video, containing removal steps for the Nols virus:

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (6)

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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  • Step 1
  • Step 2
  • Step 3
  • Step 4
  • Step 5

Step 1: Scan for Nols Virus with SpyHunter Anti-Malware Tool

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (8)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (9)

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.

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (10)

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

Ransomware Automatic Removal - Video Guide

Step 2: Uninstall Nols Virus and related malware 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.

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (11)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (12)

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"

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (13)Follow the instructions above and you will successfully delete most unwanted and malicious programs.

Step 3: Clean any registries, created by Nols Virus 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 Nols Virus there. This can happen by following the steps underneath:

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (14)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (15)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (16) 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.

IMPORTANT!
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: Boot Your PC In Safe Mode to isolate and remove Nols Virus

OFFER

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.

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (17)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (18)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (19)

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.

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (20)

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

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (21)

Step 5: Try to Restore Files Encrypted by Nols Virus.

Method 1: Use STOP Decrypter by Emsisoft.

Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.

Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:

1 Right-click on the decrypter and click on Run as Administrator as shown below:

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (22)

2. Agree with the license terms:

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (23)

3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (24)

4. Click on "Decrypt" and wait for your files to be decoded.

Nols Virus (.nols File Ransomware) - How to Remove + Restore Files (25)

Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.

Method 2: Use data recovery software

Ransomware infections and Nols Virus 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:

EaseUS Data Recovery Software

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.

Nols Virus-FAQ

What is Nols Virus Ransomware?

Nols Virus 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 algorithms 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.

What Does Nols Virus Ransomware Do?

Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.

Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.

How Does Nols Virus Infect?

Via several ways.Nols Virus Ransomware infects computers by being sent via phishing emails, 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.

Another way you may become a victim of Nols Virus 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 .Nols Virus files?

You can't without a decryptor. At this point, the .Nols Virus files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.

What to Do If a Decryptor Does Not Work?

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

Can I Restore ".Nols Virus" Files?

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

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

How To Get Rid of Nols Virus Virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.

It will scan for and locate Nols Virus ransomware and then remove it without causing any additional harm to your important .Nols Virus files.

Can I 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:

Germany - Offizielles Portal der deutschen Polizei

United States - IC3 Internet Crime Complaint Centre

United Kingdom - Action Fraud Police

France - Ministère de l'Intérieur

Italy - Polizia Di Stato

Spain - Policía Nacional

Netherlands - Politie

Poland - Policja

Portugal - Polícia Judiciária

Greece - Cyber Crime Unit (Hellenic Police)

India - Mumbai Police - CyberCrime Investigation Cell

Australia - Australian High Tech Crime Center

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

Can You Stop Ransomware from Encrypting Your Files?

Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.

Can Nols Virus Ransomware Steal Your Data?

Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.

In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.

Can Ransomware Infect WiFi?

Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.

Should I Pay Ransomware?

No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.

What Happens If I Don't Pay Ransom?

If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.

Can a Ransomware Attack Be Detected?

Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.

It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.

Do Ransomware Criminals Get Caught?

Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.

About the Nols Virus Research

The content we publish on SensorsTechForum.com, this Nols Virus 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 Nols Virus 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.

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.

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