Method To Remove DNRansomware & Decrypt Encoded PC Files

Depth-Analysis on DNRansomware

 

DNRansomware is a short name of DoNotOpen Ransomware which encrypts the files stored onto the infected machine and demands the payment of ransom money from user of compromised PC. This malware is currently on the hunt for its new victims and it is believed to be distributed through spam email campaigns. For encoding the data stored on infected machine, the threat uses a static key and then launches a lock system screen, which contains few details about the DNRansomware infection. It appends a weird file extension onto every files that it encoded.

DNRansomware

DNRansomware informs the infected system users that it used an extremely powerful new encryption algorithm known as RIJNDAEL. The ransomware try to make you believe that the encryption procedure which it used is unbreakable. Although, let us explain that RIJNDAEL is simply the old name of AES cipher. After that, the malware demands for a ransom money of 0.5 BTC which is approximately equal to $458.75. However, you should not follow the instructions provided by this ransomware. Instead, use 83KYG9NW-3K39V-2T3HJ-93F3Q-GT code into the box asking for the password and then click on “Decrypt!” button.

After putting the code mentioned above into the password box, it will decode all the files and data encrypted by DNRansomware for free. From now, you can go back to your normal activities onto the system, but not before eliminating this malware completely and permanently from your machine. Besides, the removal of ransomware infections can be a complicated task. This is due to the numerous changes which the malware makes onto the affected system. You should scan your PC by using a credible anti-malware tool in order to clean the computer entirely. Therefore, be attentive and use proper tool for DNRansomware removal.

How Can You Avoid DNRansomware Infection?

There is nothing special and interesting about the methods that are used to spread DNRansomware virus. Cyber offender typically rely on old but good distribution techniques, such as spam email campaign and exploit kits. In order to spread the malware through email, the hackers obfuscate the harmful file by renaming it into something like Phone Bill, Document, CV, Invoice and so on. In few cases, such malicious file has double extension such as .doc.exe, and in such circumstances, it is enough to open the files and activate the ransomware virus. Finally, the exploit kits which scan the victims PC for vulnerable program and uses it to infect the system with DNRansomware and other type of dangerous viruses.

Free Scan your Windows PC to detect DNRansomware

rmv-notice

 

Remove DNRansomware From Your PC

Step 1: Remove DNRansomware in Safe Mode with Command Prompt

  • First of all disconnect your PC with network connection.
  • Click restart button and keep pressing F8 key regularly while system restart.

F8-keyboard

  • You will see “Windows Advanced Options Menu” on your computer screen.

Windows Advanced Options Menu

  • Select “Safe Mode with Command Prompt” and press Enter key.

safe mode with command promt

  • You must login your computer with Administrator account for full privilege.

daver

  • Once the Command Prompt appears then type rstrui.exe and press Enter

picture6

  • Now follow the prompts on your screen to complete system restore.

Step 2: Remove DNRansomware using MSConfig in Safe Mode:

  • Power off your computer and restart again.
  • While booting press the “F8 key” continuously to open “Windows Advanced Options Menu”.

F8-keyboard

  • Use the arrow keys to select “Safe Mode” option and press Enter key.

Safe mode

  • Once system get started go to Start menu. Type “msconfig” in the search box and launch the application.

msconfig01

  • Go to the Startup tab and look for files from %AppData% or %Temp% folders using rundll32.exe. See an example below:

C:\Windows\System32\rundll32.exe C:\Users\username\appdata\local\temp\regepqzf.dll,H1N1

  • Disable all the malicious entries and save the changes.
  • Now restart your computer normally.

Step 3 : Kill Malicious Process Related To DNRansomware

  • Press Alt+Ctrl+Del buttons together.

ctrl+alt+del

  • It will open the Task manager on your screen.
  • Go to Process Tab and find DNRansomware related process.
  • Click the End Process Now button to stop the running process.

Step 4 : Remove DNRansomware Virus From Registry Entry

  • Press “Windows + R” key together to open Run Box.

Win+R

  • Type “regedit” and click OK button.

Type-regedit-to-open-registry

  • Find and remove DNRansomware related entries.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServicesOnce

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Runonce

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServices

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run

Now hopefully you have completely removed the DNRansomware virus from your computer. If you are still get ransom message from the threat or unable to access your files, then it means that virus still remain into your computer. In such situation you don’t have any other option except removing this virus using any powerful malware removal tool.

Whereas if you have any backup of your infected or encrypted files, then you can also reinstall your Windows OS. This will erase all your files and data as along with the DNRansomware infection. You will get a completely empty computer system with no files. Now you can use your backup to get your files. If you don’t have any backup then using malware removal tool is a better option for you.

freescan1

If you have any query or question regarding your computer, then you can easily ask your problem to our experts. Go to the Ask Any Question page and get the answer for your query directly from out experts.

footer-1

Skip to toolbar