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.NET ransomware virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware
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CryptoWall-related .NET ransomware targets Russian-speaking users

.NET virus is a new crypto-ransomware [1] thought to be a follow-up version of the infamous and widespread CryptoWall virus family. Looking at its ransom note that is written in Russian it is quite obvious that the virus was at least primarily oriented towards the Russian-speaking users. Of course, ransomware spread easily, so everyone should keep their computers carefully guarded. What led experts to associate this malware with CryptoWall was the title of its executable which plain and simply states — CryptoWall.exe. But there are also reports about 7865.exe file also being used to encrypt the infected system. Regardless of what executable carry the malicious, when it is executed it will start scanning the computer for files and append them with .wtdi extensions. “If you want to recover your files — you must pay.” That’s basically all that the extortionists want the victims to understand from the brief ransom note they leave on the infected computer. The message contains a number of the victim’s account and a number for “ISQ” communication [2]. The rest of the details such as the ransom size and the payment method are only revealed after contacting the hackers directly. Luckily, a closer investigation of the program’s source code revealed that this malware is actually decryptable and there is really no need to give your money away to the criminals who may not even explain how to recover your files after all. While the free decryptor is on its way, you should take care of the .NET removal. We suggest using tools such as Reimage to complete the process quicker.

Even after some breakthroughs in its decryption, .NET ransomware remains a rather mysterious malware. Experts are not sure whether this parasite is a new and sloppy version of the real CryptoWall or a creation of a completely unrelated group of hackers who only use the name of this widely-dreaded threat to freak people out and swindle away their money. Either way, it’s best to keep away from this parasite and create backup copies of your files in case the criminals upgrade the malware making it undecryptable.

.Net ransomware virus

Preventing ransomware infiltration

If you want to prevent .NET virus from unexpectedly turning up on your system, you must look after your computer. The care consists of regularly updating installed software and operating system, obtaining a reliable antivirus utility and keeping backup copies of your files stored somewhere safe, ideally, on a separate hard drive or USB device. OF course, you should also keep in mind that .NET virus may employ deceptive techniques such as fake ads to sneak into your computer. Don’t blindly download software that might you might be prompted on random websites and download software updates from the official sources ONLY. These safety precautions should diminish the risk of ransomware infection.

Don’t wait — remove .NET following guidelines below:

.NET removal may seem like a challenging task and in some cases, it may be one. In fact, it may end up in complete corruption of the operating system if not carried out correctly. Do not try to remove. NET manually — it will most likely cause more harm than benefit. Instead, employ antivirus software such as Reimage to scan your entire system, remove the virus and clean up the malicious Registry entries. After you are done with the malware removal, be patient and wait for the .NET decryptor to be released. Nevertheless, if you need to access some specific files immediately, you may try alternative data recovery solutions. You will find a couple of them indicated below.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall .NET ransomware virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual .NET virus Removal Guide:

Remove .NET using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

In case you cannot get rid of the virus because it keeps crashing your antivirus and not letting you carry out the system scan, you should follow the instructions below and repeat the process.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove .NET

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete .NET removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove .NET using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Another method decontaminate malicious functionalities that the .NET virus implements in infected systems is illustrated below:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of .NET. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that .NET removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove .NET from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by .NET, you can use several methods to restore them:

Method #1: Data Recover Pro

If you cannot wait until the free .NET decryptor is released and desperately need to recover your files, you can do it with the help of specialized software such Data Recovery Pro. Follow the instructions below:

Method #2: Windows Previous Version feature

In order to use this data recovery method some preparation is needed. The System Recovery feature must be enabled before any ransomware is on the computer. This way, you will able to use Windows Previous Version feature in cases of emergency like so:

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Method #3: ShadowExplorer

If Volume Shadow Copies of the encrypted files have not been damaged by the ransomware, you may use this tool to recover your files. Brief instructions below explain how to do it:

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Check back for .NET decryptor later

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from .NET and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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