PowerShell ransomware : Steps To Remove PowerShell ransomware From Infected Windows

Unknown information about PowerShell ransomware

Name PowerShell ransomware
Type Ransomware
Risk High
Infected file used ".js"
File extension Not specified
Ransom demand Between $500 to $1500 in Bitcoins
Delivery Spam emails attachments. corrupt files and programs etc.
Infected System Windows OS

Latest research report on PowerShell ransomware

 

PowerShell ransomware has been discovered by malware researchers. PowerShell is a ransom virus which is distributed via spam emails messages or attached malicious files. The spam emails contain a ".js" file which is compressed twice as a zip format. The ".js" is a bad script of PowerShell which mainly responsible for the attack of the ransom virus. After following successful intrusion inside the users system then it start searching all the targeted data types to do the encryption. Then after collecting all the data types and files it employs RSA-2048 and AES-128 encryption algorithm. Unlike various ransom viruses this PowerShell does not append any new file extension to the compromised files and do not changes their names also. After successful encryption process it generate a HTML file "_README-Encrypted-Files.html", and send it on your system desktop screen display the content of message.

remove PowerShell ransomware

The HTML file that has been sent on your screen contains a ransom message which instructs the victim about the payment and encourage them to visit the TOR website for further ransom payment details. As you read above PowerShell ransomware uses AES and RSA encipher algorithms which is one of the most sophisticated encryption engines in which a unique key has been generated between the process and these private keys has been send or stored on the servers of this ransomware which provide the victims after the ransom payment to decrypt their compromised files. The victim's can not think about the decryption without the stored unique key. The ransom amount is currently not unspecified but the hackers generally demand between $500 to $1500 in Bitcoins. But you should not ready to pay the ransom money to the attackers because they only want to grab the money and then after they will not send you the key to do the decryption even after the payment.

So be smart and do not fall under the tricks of the attackers. You should use a trusted anti-malware to remove PowerShell ransomware from your infected system and after then run your kept backup to restore the lost files. 

Free Scan your Windows PC to detect PowerShell ransomware

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Remove PowerShell ransomware From Your PC

Step 1: Remove PowerShell ransomware 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

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

Step 2: Remove PowerShell ransomware 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 PowerShell ransomware

  • Press Alt+Ctrl+Del buttons together.

ctrl+alt+del

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

Step 4 : Remove PowerShell ransomware 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 PowerShell ransomware 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 PowerShell ransomware 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 PowerShell ransomware 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.

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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.

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