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DecryptFox ransomware. How to remove? (Uninstall guide)

removal by Olivia Morelli - - | Type: Ransomware

DecryptFox ransomware – a file locking cyber threat which gives five attempts to enter the code for data recovery

DecryptFox ransomware
DecryptFox ransomware is a dangerous computer virus which uses the AES encryption algorithm to lock important documents on the infected PC.

DecryptFox ransomware is another file encrypting virus which enters the system through dubious-looking email messages and starts its damaging activities by creating new registry entries[1]. Furthermore, it uses the AES cipher to encrypt files on the infected PC. Once that happens, all blocked documents appear with the .encr extension and remain useless. After that, DecryptFox virus displays a ransom message which is named readmy.txt and urges to contact the criminals via DecryptFox@protonmail.com email address and send your ID[2]. However, such crooks are very likely not to fulfill their promises to give the decryption code after contact, so a better option would be to get rid of the infection.

Name DecryptFox 
Category Ransomware
Extension .encr
Ransom message readmy.txt
Given email  DecryptFox@protonmail.com 
Code used AES related
Starts activity in Windows Registry
Spreading Spam messages and their attachments
Removal Eliminate the infection and fix the damage with Reimage

Crooks who spread DecryptFox ransomware, differently from others, do not urge any particular ransom but ask sending the ID to the given email address. However, be careful with such thing. Revealing personal information will not bring anything good, furthermore, users are often left scammed by the cybercrooks and do not receive any decryption tool.

Moreover, DecryptFox ransomware uses a unique encryption algorithm such as AES. The codes are different each time when the virus enters a new computer system. This and the difficulty of the code itself makes it almost impossible to identify even for highly-experienced users or technology experts.

Nevermind the beforementioned fact, a better option would be to remove DecryptFox virus from your computer system permanently by using automatic tools and then think about file restoring. Once you get rid of the cyber threat, you can use Reimage to repair all damaged objects if there are some. Talking about locked files, you can look for decryption solutions below this article.

Another important reason to perform the DecryptFox ransomware removal is that some viruses have abilities to secretly create paths for other malware forms to spread. This might lead you to stealth infiltration of another similar threat and even a Trojan horse. Note that removing the ransomware manually is not a possibility as the virus itself and all its components might be too hard to detect for a less-experienced user.

Spam emails – the main ransomware distribution source

According to tech specialists from LesVirus.fr[3], ransomware is usually spread through phishing messages. Some crooks decide to send hazardous content attached to the email to numerous random users. When that happens, users receive the dubious email in the spam section, however, sometimes it may also fall in the inbox. If you ever overcome a suspicious-looking email letter with some attachments, be careful and do not enter such content as a virus might be hiding there.

Furthermore, you can find virus-related content in a third-party promoted web site. Some pages, especially P2P[4] ones, come improperly disclosed and might lack recommended protection. This lets random criminals inject hazardous components into links. If a user steps on such hyperlink, he/she might easily start the installation of ransomware and get his/her computer system infected. Stay away from questionable websites,  if you ever encounter one, make sure you eliminate it immediately.

Terminate DecryptFox ransomware with anti-malware

If your PC is infected with ransomware and you want to get rid of it as fast as possible, make sure you perform the DecryptFox ransomware removal with reliable anti-malware tools, otherwise, the process might not be that successful as expected. Furthermore, you can try using Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes to take care of the damage that might have been done by the cyber threat.

After you remove DecryptFox virus, check out our offered third-party software for file unlocking. We cannot guarantee that all methods will be 100 % successful, but they are definitely worth a try. Make sure you pick the most suitable technique and complete each step as required to reach the best results. After you take care of the infection and encrypted files, refresh the entire computer system to make sure that no virus-related components are still active.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove DecryptFox virus, follow these steps:

Remove DecryptFox using Safe Mode with Networking

Use Safe Mode with Networking to deactivate the cyber threat. Follow these steps:

  • 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 DecryptFox

    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 DecryptFox removal.

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

Remove DecryptFox using System Restore

Activate the System Restore feature and disable the ransomware virus by following this guide:

  • 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 DecryptFox. 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 DecryptFox removal is performed successfully.

Bonus: Recover your data

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

If you have discovered some files on your desktop that have the .encr appendix, that means those documents are locked by ransomware. To restore important data back, you will need to go through some decryption methods that we have provided below. Make sure you choose the most suitable one for your case.

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

Data Recovery Pro might help you get important data back:

Try this tool to restore encrypted documents. Make sure you complete each step as required to reach the best results.

  • 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 DecryptFox ransomware;
  • Restore them.

Use Windows Previous Versions feature to unlock documents:

This method might be helpful and will let you restore encrypted files. However, it might not work properly if you didn't enable the System Restore function before the virus showed up in your system.

  • 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”.

Using Shadow Explorer might help get some files back:

You can try this tool to unlock some files that were blocked by the ransomware virus. Note that this method will work only if the Shadow Volume Copies remain untouched by the dangerous infection.

  • 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.

Cybersecurity experts haven't discovered an official decryptor for .encr files yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from DecryptFox and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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References