NMCRYPT is a crypto-ransomware that demands to pay almost $7000 ransom in Bitcoins
NMCRYPT is a dangerous crypto-ransomware virus that is currently being distributed via unprotected Remote Desktop Services, malicious email attachments, and rogue software updates. Its developers exploit AES-256 and RSA-2048 encryption algorithms to take victim's files hostage. NMCRYPT ransomware is known for targeting video, audio, photos, text, database, spreadsheets, and presentations in particular. Encrypted files get .NMCRYPT suffix, which is why the virus is also dubbed as .NMCRYPT file extension virus. Upon successful unraveling, the victim is presented with a Recover your files.html ransom note, which demands to pay $6,705.02 ransom in Bitcoins asap.
|Danger level||High. Locks personal files and corrupts system's settings. Free decryptor is not available.|
|Symptoms||Personal files inaccessible. File extensions changed to .NMCRYPT. Each folder contains Recover your files.html file|
|Size of redemption||$6705.02 in Bitcoins|
|Encryption applied||AES-256 and RSA-2048|
|Automatic NMCRYPT removal available. Download ReimageIntego and run a full system scan|
NMCRYPT is the second ransomware virus after Vurten demanding a huge ransom in exchange for a decryptor. Typically, the size of the redemption ranges from $200 to $500, does not exceed $2000. Thus, it seems that we're currently dealing with a real gold-digger.
NMCRYPT ransomware has been spotted on the wild in the middle of April 2018. Recognized as a Generic.Ransom.XRatLocker.5E892A47, Ransom.Haknata.S1240226, Ransom_AIRACROP.SM, Trojan.Win32.Deshacop.enxprt, and similar detections by reputable anti-virus engines, it seems to be targeting English-speaking in particular.
Ransomware researchers have currently analyzed the infection and disagree upon its origin. While some of them claim it to be derived from NMoreira ransomware, the others assert that it's yet another crypt-malware based on HiddenTear open source ransomware. Anyway, it's a fact that NMCRYPT virus encrypts files that can not currently be decrypted without paying the ransom.
Once installed, it opens Command Prompt under administrative privileges and runs a script to delete Volume Shadow Copies, which are created by Windows by default. Besides, it disables all previous Windows versions that have been created using Windows Recovery option. This way, hackers minimize the possibility to unlock files encrypted by NMCRYPT ransomware and maximize revenue.
Personal files are locked using AES-256 and RSA-2048 ciphers, which allow hackers to ensure strong-coded encryption. The combination of double-layered encryption makes it practically impossible to crack the code manually. Therefore, hackers ask for $6705.02 redemption to be transferred in Bitcoins using Tor browser and a Bitcoin wallet to get the unique identification numbers necessary for the decryption.
To prove credibility, cybercriminals ask the victim to select a couple of DOCS, XLS, XML or JPG files that do not exceed 2MB in size and send them to them via http://wikisend.com/ channel.
The victim can find the initial information on the Recover your files.html file, which appears by default on each folder and desktop. It contains the instructions on how to download Tor browser and several links redirecting to a Bitcoin purchase website. The text of the note says:
All your files are encrypted.Using AES256-bit encryption and RSA-2048-bit encryption.
Making it impossible to recover files without the correct private key.
If you are interested in getting is the key and recover your files
You should proceed with the following steps.
The only way to decrypt your files safely is to buy the Descrypt and Private Key software.
Any attempts to restore your files with the third-party software will be fatal for your files!
Important use Firefox or Chrome browser
To proceed with the purchase you must access one of the link below
If neither of the links is online for a long period of time, there is another way to open it, you should install the Tor Browser
If your personal page is not available for a long period there is another way to open your personal page – installation and use of Tor Browser, etc.
If your PC has been attacked by this virus, do not fall for paying the ransom not because it's excessive, but also there's no guarantee that hackers won't leave you without a key. The best way to deal with ransomware is to eliminate them and then try to recover data using third-party recovery tools. Therefore, we would strongly encourage you to remove NMCRYPT ransomware using ReimageIntego, SpyHunter 5Combo Cleaner or Malwarebytes.
Don't worry if NMCRYPT removal is blocked by some ransomware components. To bypass the interrupter, you should restart the system to the safe environment and then launch the anti-virus. You can find a guide down below this post.
NMCRYPT ransomware is one of the latest crypto-virus infections detected on the Internet. It locks personal files in a way other ransomware viruses do, though it stands out from the crowd due to a huge redemption demanded.
Hackers use multiple distribution channels to spread ransomware
Ransomware virus is a number one cyber threat of 2018. It does not reside this position for almost a decade and does not seem to shrink in the near future. The increasing number of attacks can be explained by a variety of intricate distribution strategies that hackers exploit. These are the main ransomware distribution channels distinguished by semvirus.pt currently in use:
- Spam email attachments. DOC, DOCX, PDF, PNG, JPG formats. They usually mimic well-known companies or authorities like IRS, Amazon, eBay, etc. and talk over about relevant subjects, such as obligations, debts or parcels.
- Exploit kits. Hackers use specific software pack to attack system's vulnerabilities. Exploited vulnerability then serves as a gateway to inject ransomware. Exploits might travel along software updates like Adobe or Flash.
- Unprotected Remote Desktop services. Crooks often manage to reveal RDP passwords open to the Internet and, therefore, can easily enter the system using sysadmin privileges.
- Fake software updates. Crooks might create a phony browser, Windows, Java, Flash Player or even browser's font updates, and display them on hacked websites. If unsuspecting netizen clicks on the Download button, he or she executes a ransomware payload.
Although there are many other ways that ransomware developers might exploit, the four mentioned above are most frequently used. Thus, be careful when browsing the Internet and make sure to keep a reputable anti-virus enabled.
A guide on how to remove NMCRYPT ransomware virus
Do not try to remove NMCRYPT manually because it's not possible. The malware runs multiple commands and scripts to alter core system's settings and root deeply to evade elimination. Besides, it installs a package of related files and keeps running malicious processes.
The only way to execute NMCRYPT removal is to download a professional anti-malware or update the one that is already running on the system. Then launch it let the scanner to do its job. In case the virus uses helper objects to block a security tool, follow the guide given below:
To remove NMCRYPT virus, follow these steps:
Manual NMCRYPT removal using Safe Mode
To boot the system into Safe Mode with Networking, follow these instructions. After that, try to launch your anti-malware. Don't forget to update it in priority.
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.
Step 1. Access Safe Mode with Networking
Manual malware removal should be best performed in the Safe Mode environment.
Windows 7 / Vista / XP
- Click Start > Shutdown > Restart > OK.
- When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. – it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
- Select Safe Mode with Networking from the list.
Windows 10 / Windows 8
- Right-click on Start button and select Settings.
- Scroll down to pick Update & Security.
- On the left side of the window, pick Recovery.
- Now scroll down to find Advanced Startup section.
- Click Restart now.
- Select Troubleshoot.
- Go to Advanced options.
- Select Startup Settings.
- Press Restart.
- Now press 5 or click 5) Enable Safe Mode with Networking.
Step 2. Shut down suspicious processes
Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Click on More details.
- Scroll down to Background processes section, and look for anything suspicious.
- Right-click and select Open file location.
- Go back to the process, right-click and pick End Task.
- Delete the contents of the malicious folder.
Step 3. Check program Startup
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Go to Startup tab.
- Right-click on the suspicious program and pick Disable.
Step 4. Delete virus files
Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:
- Type in Disk Cleanup in Windows search and press Enter.
- Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
- Scroll through the Files to delete list and select the following:
Temporary Internet Files
- Pick Clean up system files.
- You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):
After you are finished, reboot the PC in normal mode.
Remove NMCRYPT using System Restore
Step 1: Reboot your computer to Safe Mode with Command Prompt
Windows 7 / Vista / XP
- Click Start → Shutdown → Restart → OK.
- When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
- Select Command Prompt from the list
Windows 10 / Windows 8
- Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
- Now select Troubleshoot → Advanced options → Startup Settings and finally press Restart.
- Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window.
Step 2: Restore your system files and settings
- Once the Command Prompt window shows up, enter cd restore and click Enter.
- Now type rstrui.exe and press Enter again..
- When a new window shows up, click Next and select your restore point that is prior the infiltration of NMCRYPT. After doing that, click Next.
- Now click Yes to start system restore.
Bonus: Recover your dataGuide which is presented above is supposed to help you remove NMCRYPT from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.
NMCRYPT virus is a hazardous cyber infection, which has been developed by skilled hackers. Nevertheless, there's a way for you to retrieve encrypted files using third-party software. Unfortunately, you will not be able to take advantage of Volume Shadow Copies or Previous Windows feature since the virus deletes them.
If your files are encrypted by NMCRYPT, you can use several methods to restore them:
Download Data Recovery Pro
Data Recovery Pro is our top pic solution for data recovery after ransomware attack. This particular tool contains a powerful scan engine, which is capable of decrypting hard-coded files.
- Download Data Recovery Pro;
- Follow the steps of Data Recovery Setup and install the program on your computer;
- Launch it and scan your computer for files encrypted by NMCRYPT ransomware;
- Restore them.
There's no NMCRYPT decryptor available
Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from NMCRYPT and other ransomwares, use a reputable anti-spyware, such as ReimageIntego, SpyHunter 5Combo Cleaner or Malwarebytes
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