How to remove Nemty 2.6 ransomware from the operating system

Also Known As: Nemty 2.6 virus
Distribution: Low
Damage level: Severe

Nemty 2.6 ransomware removal instructions

What is Nemty 2.6?

Discovered by dnwls0719, Nemty 2.6 is a malicious program, an updated variant of NEMTY 2.5 REVENGE ransomware. It operates by encrypting data and demanding payment for decryption tools/software. During the encryption process, each affected file is appended with an extension consisting of ".NEMTY, the underscore symbol and a random character string (e.g. ".NEMTY_[random]"). This string is identical for each encrypted file on the system, however, it varies for each infection (i.e., it differs for each victim). For example, a file named "1.jpg" would appear as something similar to "1.jpg.NEMTY_S7SKZYS" following encryption. After this process is complete, a ransom message within a file with the filename format "NEMTY_[random]-DECRYPT" (e.g. "NEMTY_S7SKZYS-DECRYPT.txt") is dropped into every compromised folder.

The ransom-demand message informs users that some/all of their data has been encrypted. The only way to restore it is to purchase valid decryption tools/software from the cyber criminals behind Nemty 2.6 ransomware. The size of the ransom is not mentioned in this message, however, victims are alerted that they have three months to pay. If it is not paid within this period, the decryption key is deleted from the criminals' servers and the affected files become undecryptable. As a 'guarantee', users can send several encrypted files to test decryption free of charge. The message instructs victims to open the link provided in their browsers. In the opened website, they are to upload the "NEMTY_[random]-DECRYPT.txt" file and follow further instructions listed on the page. Users must then download and install the Tor browser, open a different link using it, upload an identical file to the site and follow the steps within. Unfortunately, in many cases of ransomware infections, decryption is impossible without the involvement of the individuals responsible for the attack, unless the malware has significant bugs/flaws or is still in development. Regardless of the circumstances, you are strongly advised against meeting the demands of cyber criminals. They can never be trusted. Despite paying, victims do not receive the necessary tools to decrypt their data. Therefore, they experience permanent data and financial loss. Removing Nemty 2.6 from the operating system will prevent it from further encryption, however, removal will not restore already compromised files. The only viable solution is to recover them from a backup, if one was made before the infection and was stored separately (so as not to have been affected by Nemty 2.6).

Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data:

Nemty 2.6 decrypt instructions (NEMTY_[random]-DECRYPT.txt)

MZReverengeKraken, and Ravack are some examples of other ransomware infections. Malicious programs within this category are designed to encrypt the data of infected systems and make ransom demands for decryption tools/software. There are two differences: the cryptographic algorithm they use (symmetric or asymmetric) and size of the ransom. To avoid permanent data loss, keep backups on unplugged storage devices and/or remote servers. It is best to store multiple backup copies in several different locations.

How did ransomware infect my computer?

Ransomware and other malware have a number of proliferation methods, primarily spam campaigns, trojans, illegal activation tools ("cracks"), bogus updates and untrusted download channels (e.g. unofficial and free file-hosting websites, Peer-to-Peer sharing networks and other third party downloaders). The term "spam campaign" describes deceptive emails sent on a mass scale. These messages have infectious files attached (or contain download links of such content). Infectious files can be in various formats (e.g. PDF and Microsoft Office documents, archive and executable files, JavaScript, etc.). When they are opened, it triggers the infection process and they begin downloading/installing malware. Trojans are malicious programs capable of causing chain infections. Rather than activating licensed products, illegal activation ("crackling") tools can download/install malicious software. Fake updaters infect systems by abusing flaws of outdated products and/or simply installing malware, rather than the promised updates. Malicious content is often unintentionally downloaded from untrusted download sources.

Threat Summary:
Name Nemty 2.6 virus
Threat Type Ransomware, Crypto Virus, Files locker.
Encrypted Files Extension .NEMTY_[random]
Ransom Demand Message NEMTY_[random]-DECRYPT.txt
Ransom Amount 0.0953193 in Bitcoin cryptocurrency (exchange rates fluctuate constantly; at the time, it was worth ~ 750 USD)
Cyber Criminals' Cryptowallet Address 3KtkkWJSvM1eFdCk8cnnwccKoGttaonefC
Cyber Criminal Contact Website in Tor browser
Detection Names Avast (Win32:AdwareX-gen [Adw]), BitDefender (Trojan.GenericKD.42821067), ESET-NOD32 (A Variant Of Win32/Kryptik.HBSY), Kaspersky (Trojan.Win32.Zenpak.wmd), Full List Of Detections (VirusTotal)
Rogue Process Name 613c390d6b3b792d6bf0765e97719ac4278741ab (process name may vary)
Symptoms Cannot open files stored on your computer, previously functional files now have a different extension (for example, my.docx.locked). A ransom demand message is displayed on your desktop. Cyber criminals demand payment of a ransom (usually in bitcoins) to unlock your files.
Distribution methods Infected email attachments (macros), torrent websites, malicious ads.
Damage All files are encrypted and cannot be opened without paying a ransom. Additional password-stealing trojans and malware infections can be installed together with a ransomware infection.
Malware Removal (Windows)

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How to protect yourself from ransomware infections

Do not open dubious or irrelevant emails, as the files attached to (of links listed within) them are the potential origin of infection. You are advised to use official and verified download channels. Additionally, it is important to only use tools/functions provided by legitimate developers to activate and update software. Illegal activation tools ("cracks") and third party updaters should be avoided, as they are often used to proliferate malware. To ensure device and user safety, it is paramount to have a reputable anti-virus/anti-spyware suite installed. Furthermore, these programs should be kept updated, used to run regular system scans and remove detected threats/issues. If your computer is already infected with Nemty 2.6, we recommend running a scan with Malwarebytes for Windows to automatically eliminate this ransomware.

Text presented in Nemty 2.6 ransomware text file ("NEMTY_[random]-DECRYPT.txt"):

---> NEMTY 2.6 REVENGE <---

Some (or maybe all) of your files got encryped.
We provide decryption tool if you pay a ransom.

Don't worry, if we can't help you with decrypting - other people won't trust us.
We provide test decryption, as proof that we can decrypt your data.

You have 3 month to pay (after visiting the ransom page) until decryption key will be deleted from server.
After 3 month no one, even our service can't make decryptor.

1) Web-Browser
  a) Open your browser.
  b) Open this link: hxxp://
  c) Upload this file.
  d) Follow the instructions.

2) Tor-Browser
  a) Download&Install Tor-Browser.
  b) Open Tor-Browser.
  c) Open this link: hxxp://zjoxyw5mkacojk5ptn2iprkivg5clow7 2mjkyk5ttubzxprjjnwapkad.onion/public/pay.php
  d) Upload this file.
  e) Follow the instruction.


Appearance of Nemty 2.6 ransomware website (GIF):

Nemty 2.6 ransomware website gif

Text presented in this page:

Test Decrypt

What's happen?

Files are encrypted. Only our service can provide full decryption!
We are providing 1 test decrypt, to prove that we can recover your files.

Click "Test Decrypt" at the menu on the top of this page to decrypt 1 file for free.

Attention! We are decrypting only image files for free, as they don't have any significant value to you. Don't try to cheat us.
To recover your files, you must pay the fee.

Your current fee: 750$ (price is changing every hour)

You must hurry up because your 50% discount will expire after the counter in the footer of this page will reach zero. If you fail to pay until that time, the fee will be doubled, so if it was 750$ it will become 1500$.

To pay the fee you must buy Bitcoin, and send exactly 0.0953193 BTC to this address: 3KtkkWJSvM1eFdCk8cnnwccKoGttaonefC

To see how to buy the bitcoins, click "Buy BTC" at the tab menu on top of the page.

Received: 0BTC
Time left:

    3 days 2 hours : 56 minutes : 0 seconds

Screenshot of files encrypted by Nemty 2.6 (".NEMTY_[random]" extension):

Files encrypted by Nemty 2.6 ransomware (.NEMTY_[random] extension)

Nemty 2.6 ransomware process in Windows Task Manager (the "613c390d6b3b792d6bf0765e97719ac4278741ab" process name might vary):

Nemty 2.6 ransomware process on task manager

Nemty 2.6 ransomware removal:

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Quick menu:

Isolating the infected device:

Some ransomware-type infections are designed to encrypt files within external storage devices, infect them, and even spread throughout the entire local network. For this reason, it is very important to isolate the infected device (computer) as soon as possible.

Step 1: Disconnect from the internet.

The easiest way to disconnect a computer from the internet is to unplug the Ethernet cable from the motherboard, however, some devices are connected via a wireless network and for some users (especially those who are not particularly tech-savvy), disconnecting cables may seem troublesome. Therefore, you can also disconnect the system manually via Control Panel:

Navigate to the "Control Panel", click the search bar in the upper-right corner of the screen, enter "Network and Sharing Center" and select search result: Disconnecting computer from the Internet (step 1)

Click the "Change adapter settings" option in the upper-left corner of the window: Disconnecting computer from the Internet (step 2)

Right-click on each connection point and select "Disable". Once disabled, the system will no longer be connected to the internet. To re-enable the connection points, simply right-click again and select "Enable". Disconnecting computer from the Internet (step 3)

Step 2: Unplug all storage devices.

As mentioned above, ransomware might encrypt data and infiltrate all storage devices that are connected to the computer. For this reason, all external storage devices (flash drives, portable hard drives, etc.) should be disconnected immediately, however, we strongly advise you to eject each device before disconnecting to prevent data corruption:

Navigate to "My Computer", right-click on each connected device and select "Eject": Ejecting external storage devices

Step 3: Log-out of cloud storage accounts.

Some ransomware-type might be able to hijack software that handles data stored within "the Cloud". Therefore, the data could be corrupted/encrypted. For this reason, you should log-out of all cloud storage accounts within browsers and other related software. You should also consider temporarily uninstalling the cloud-management software until the infection is completely removed.

Identify the ransomware infection:

To properly handle an infection, one must first identify it. Some ransomware infections use ransom-demand messages as an introduction (see the WALDO ransomware text file below).

Identify ransomware-type infection (step 1)

This, however, is rare. In most cases, ransomware infections deliver more direct messages simply stating that data is encrypted and that victims must pay some sort of ransom. Note that ransomware-type infections typically generate messages with different file names (for example, "_readme.txt", "READ-ME.txt", "DECRYPTION_INSTRUCTIONS.txt", "DECRYPT_FILES.html", etc.). Therefore, using the name of a ransom message may seem like a good way to identify the infection. The problem is that most of these names are generic and some infections use the same names, even though the delivered messages are different and the infections themselves are unrelated. Therefore, using the message filename alone can be ineffective and even lead to permanent data loss (for example, by attempting to decrypt data using tools designed for different ransomware infections, users are likely to end up permanently damaging files and decryption will no longer be possible even with the correct tool).

Another way to identify a ransomware infection is to check the file extension, which is appended to each encrypted file. Ransomware infections are often named by the extensions they append (see files encrypted by Qewe ransomware below).

Identify ransomware-type infection (step 2)

This method is only effective, however, when the appended extension is unique - many ransomware infections append a generic extension (for example, ".encrypted", ".enc", ".crypted", ".locked", etc.). In these cases, identifying ransomware by its appended extension becomes impossible.

One of the easiest and quickest ways to identify a ransomware infection is to use the ID Ransomware website. This service supports most existing ransomware infections. Victims simply upload a ransom message and/or one encrypted file (we advise you to upload both if possible).

Identify ransomware-type infection (step 3)

The ransomware will be identified within seconds and you will be provided with various details, such as the name of the malware family to which the infection belongs, whether it is decryptable, and so on.

Example 1 (Qewe [Stop/Djvu] ransomware):

Identify ransomware-type infection (step 4)

Example 2 (.iso [Phobos] ransomware):

Identify ransomware-type infection (step 5)

If your data happens to be encrypted by a ransomware that is not supported by ID Ransomware, you can always try searching the internet by using certain keywords (for example, ransom message title, file extension, provided contact emails, cryptowallet addresses, etc.).

Search for ransomware decryption tools:

Encryption algorithms used by most ransomware-type infections are extremely sophisticated and, if the encryption is performed properly, only the developer is capable of restoring data. This is because decryption requires a specific key, which is generated during the encryption. Restoring data without the key is impossible. In most cases, cyber criminals store keys on a remote server, rather than using the infected machine as a host. Dharma (CrySis), Phobos, and other families of high-end ransomware infections are virtually flawless, and thus restoring data encrypted without the developers' involvement is simply impossible. Despite this, there are dozens of ransomware-type infections that are poorly developed and contain a number of flaws (for example, the use of identical encryption/decryption keys for each victim, keys stored locally, etc.). Therefore, always check for available decryption tools for any ransomware that infiltrates your computer.

Finding the correct decryption tool on the internet can be very frustrating. For this reason, we recommend that you use the No More Ransom Project and this is where identifying the ransomware infection is useful. The No More Ransom Project website contains a "Decryption Tools" section with a search bar. Enter the name of the identified ransomware, and all available decryptors (if there are any) will be listed.

Searching for ransomware decryption tools in website

Restore files with data recovery tools:

Depending on the situation (quality of ransomware infection, type of encryption algorithm used, etc.), restoring data with certain third-party tools might be possible. Therefore, we advise you to use EaseUS Data Recovery Wizard Pro. This tool supports over a thousand data types (graphics, video, audio, documents, etc.) and it is very intuitive (little knowledge is necessary to recover data).

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EaseUS Data Recovery Wizard Pro

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Step 1: Perform a scan.

Hover your mouse over the partition you wish to scan and select "Scan". You can also select a specific folder, or click shortcut icons to scan the Desktop or Recycle Bin: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 1)

Wait for EaseUS Data Recovery Wizard Pro to complete the scan. The scanning duration depends on the volume of files (both in quantity and size) that you are scanning (for example, several hundreds gigabytes could take over an hour to scan). Therefore, be patient during the scanning process. We also advise against modifying or deleting existing files, since this might interfere with the scan. If you add additional data (for example, downloading files/content) while scanning, this will prolong the process: Scanning the storage drive with EaseUS Data Recovery Wizard PRO (step 2)

Step 2: Recover data.

Once the process is complete, select the folders/files you wish to restore and simply click "Recover". Note that some free space on your storage drive is necessary to restore data. Note also that the trial version of EaseUS Data Recovery Wizard Pro is only capable of scanning drives and listing recoverable files - to restore them, you must purchase a license: Recovering data with EaseUS Data Recovery Wizard Pro

Step 3: Save the scan session (optional).

We recommend that you save the scanning session once you have completed recovery, in case you decide to recover additional files later. Simply click the "Save Scan Session" icon in the upper-right corner of the screen and choose the location for the file to be saved. This will save a lot of time, since you will not need to re-scan the storage drive the next time you wish to restore something. Bear in mind, however, that data removed after the scanning session has finished will not be listed: Saving scan session in EaseUS Data Recovery Wizard Pro

Create data backups:

Proper file management and creating backups is essential for data security. Therefore, always be very careful and think ahead.

Partition management: We recommend that you store your data in multiple partitions and avoid storing important files within the partition that contains the entire operating system. If you fall into a situation whereby you cannot boot the system and are forced to format the disk on which the operating system is installed (in most cases, this is where malware infections hide), you will lose all data stored within that drive. This is the advantage of having multiple partitions: if you have the entire storage device assigned to a single partition, you will be forced to delete everything, however, creating multiple partitions and allocating the data properly allows you to prevent such problems. You can easily format a single partition without affecting the others - therefore, one will be cleaned and the others will remain untouched, and your data will be saved. Managing partitions is quite simple and you can find all necessary information on Microsoft's documentation web page.

Data backups: The most reliable backup method is to use an external storage device and keep it unplugged. Copy your data to an external hard drive, flash (thumb) drive, SSD, HDD, or any other storage device, unplug it and store it in a dry place away from sun and extreme temperatures. This method is, however, quite inefficient, since data backups and updates need to be made regularly. You can also use a cloud service or remote server. Here, an internet connection is required and there is always the chance of a security breach. Therefore, you should consider using an application to create data backups locally.

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EaseUS Todo Backup

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We recommend using the EaseUS Todo Backup application. The "Home" edition of EaseUS Todo Backup is usually more than adequate for regular users, however, the "Business" edition is more suitable for companies and large computer networks. The EaseUS Todo Backup application provides extensive data protection features. You can easily create backups, and encrypt and compress them for enhanced protection and storage saving purposes. It also allows you to set backup schedules, create bootable devices, and restore the system if a crash occurs. You can easily choose where to store the created backup: locally; uploaded to an external drive; FTP; cloud storage, or elsewhere. In summary, EaseUS Todo Backup is an all-in-one tool, which provides all features required to properly backup your data.

Creating a data backup:

The backup process is virtually identical regardless of the item (file, partition, entire system) you wish to backup. Taking the File Backup feature as an example:

Step 1: Choose which item to backup.

Click on the "Menu" icon in the upper-left corner of the screen to reveal the menu and select "File Backup": Creating data backups with EaseUS Todo Backup tool (step 1)

Select the files you want to backup. You can also enter a name and description of the backup that will be created: Creating data backups with EaseUS Todo Backup tool (step 2)

Step 2: Change the default settings.

The EaseUS Todo Backup application provides a variety of additional options that can be added/modified while creating the backup. For example, you can encrypt data (add a password), select the compression rate (how much the backup should be compressed), performance (how many system resources should be allocated), add an email notification (you receive an email once the process is complete) and so on.

To open the options window, click the "Backup options" button in the lower-left corner of the screen: Creating data backups with EaseUS Todo Backup tool (step 3)

Select the settings you want to change and click "Save". You can also reset your changes by clicking "Reset to initial settings": Creating data backups with EaseUS Todo Backup tool (step 4)

Step 3: Select the backup destination.

As mentioned above, EaseUS Todo Backup allows you to choose where backups are saved - locally or externally.

Click the "Browse..." button and select the location you want the backup to be saved: Creating data backups with EaseUS Todo Backup tool (step 5)

Step 4: Safety measures and process completion.

Depending on the location you have chosen, there are a number of measures you should or should not take. If you are uploading to an internet-connected location (for example, Cloud storage, FTP, etc.), be sure to maintain your internet connection, otherwise you will have to start again. The same applies to external storage devices - do not unplug them until the process is complete.

The progress bar displays estimated time remaining until completion. Large backups (hundreds of gigabytes) can take hours to create (depending on storage device speed, internet connection, etc.). Therefore, the application also allows you to optionally choose what the system should do (shut down, sleep or hibernate) once the process has finished: Creating data backups with EaseUS Todo Backup tool (step 6)

The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups.

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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