Know How to Delete Jack Ransomware

My personal files got encrypted with .jack Files Virus (Dharma Ransomware)? Can it be recovered back? Please help.

As the name suggests, .jack Files Virus (Dharma Ransomware) is a new crypto-virus malware belonging to the Dharma Family. It adds .jack extension on every file that it encrypts and makes it totally inaccessible. Like the previous versions used to do, it adds a unique ID of victims on the encrypted files and an email ID of the developer of this malware. For example, if an image file named as .jack Files Virus (Dharma Ransomware).jpg gets infected, its name will get changed to .jack Files Virus (Dharma Ransomware)[email protected] When you access the encrypted files, a ransom note appears on the screen that asks you to buy the decryption key for recovering the files.

How .jack Files Virus (Dharma Ransomware) Attacked the PC? (Depth Analysis)

The prime source of this malware distribution is spam email campaign. The cyber-criminals send suspicious emails with attachments that initiate the harmful scripts and activate the ransomware in the work-station. It is aggressively distributed through social engineering tricks and file sharing services. Additionally, files downloaded from peer-to-peer file sharing networks, freeware and shareware, and unsafe hyperlinks may also drop this malware payload in the work-station. Once the files get encrypted, you will see ransom note when you try to access it. They ransom note says:







You can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)


When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you:

  1. Decryption program.
  2. Detailed instruction for decryption.
  3. And individual keys for decrypting your files.


Do not rename encrypted files.

Do not try to decrypt your data using third party software, it may cause permanent data loss.

Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.”

As per the ransom note, the files are encrypted with military grade RSA 1024 encryption cipher. It asks to communicate with the developer of Jack Ransomware through [email protected] email ID. You are asked to buy the decryption key within 7 days otherwise the data will get corrupted or deleted permanently. To win your trust, it offers to decrypt one of the file of your choice for free.

In general, it targets the files that are used by the users on daily basis. That could be the audio files, movies, videos, image, MS Office docs and so on. It also erase the ”Shadow Volume Copies” of the encrypted files by executing →vssadmin.exe delete shadows /all /Quiet command. So, basically it tries to remove all the possible ways to recover the files other than buying the decryption key.

Should I Pay Ransom to .jack Files Virus (Dharma Ransomware) Developers

First of all, you must know that paying the ransom money to cyber-criminals will not remove this malware from the work-station. And as long as it is presented in the PC, it will continue encrypting files and folders. So once you pay money for decryption of certain files, the malware will start encrypting other files and this process goes on. Hence paying the money to cyber-criminals is not the solution. And most important, there is no guarantee that cyber-criminals will give the original decryption key after receiving the payment. In most cases, they totally ignore the victims once the payment is received.

It is suggested to remove .jack Files Virus (Dharma Ransomware) from your PC so that it could not damage files, folders and program that are not affected till now. So, first you should scan your PC with a powerful anti-malware tool. Once the ransomawre is removed, you can restore the encrypted file through backup files or using a data recovery tool.

Some Precautionary Measures to Avoid Ransomware Attack in Future:

  • Don’t open spam email attachments. Such emails usually have so many spelling and grammar mistakes in their content
  • Don’t click on ransom links and pop-ups while Online browsing
  • Avoid visiting unsafe websites especially those related to pornography, gambling, Online dating etc.
  • Upgrade the security settings by using a powerful anti-malware tool

Special Offer: 

.jack Files Virus (Dharma Ransomware) is a perilous malware. In order to avoid its removal, it hides its payloads and scripts deep inside the PC. You may try downloading SpyHunter Malware Scanner and check if it detects this malware for you.


Go through the SpyHunter’s EULA, Threat Assessment Criteria, and Privacy Policy. You must  note that only SpyHunter’s scanner is free. If it detects a malware, it will subject to a 48-hour waiting period, one remediation and removal. In order to remove the malware instantly, you have to purchase its full version.

Steps To Remove .jack Files Virus (Dharma Ransomware) From Compromised Computer

The infections like .jack Files Virus (Dharma Ransomware) or similar ones or those belong to other malware category are all designed to generate with only ill intention to make money for its developers who make use of any technique to force you down. However, most of the security experts associated with different security associations say this is not much harmful browser and can be removed from an infected computer by getting through some steps. If you follow the steps in the same order and with full attention as described in the procedures below, we hope you can also free up your PC easily. It’s recommended to take a hard copy of the guidelines on paper or get another computer to assist you following the steps without any hassles.

Step 1:Track and remove .jack Files Virus (Dharma Ransomware) from computer’s processes from task manager.

Step 2:Locate and delete the definition of this program from startup files, registry files, and host files.

Step 3:Removal of .jack Files Virus (Dharma Ransomware) from all reputed browsers.

Step 4:Delete .jack Files Virus (Dharma Ransomware) with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove .jack Files Virus (Dharma Ransomware) from computer’s processes from task manager.

  • Launch the Task Manager by pressing a key combination CTRL+SHIFT+ESC simultaneously.

  • Review the suspicious processes and note down its file location on computer.end-malicious-process

  • Terminate the processes now.

  • Open the “Run” command box and enter the noted down location to open in file explorer.

  • Delete the file permanently.

Step 2: Locate and delete the definition of this program from startup files, registry files, and host files

  • Launch the file explorer or any folder from my computer.

  • Click on “View” option in the above Menu (Older Windows version’s user may go to control panel to open “Folder options”)

  • Choose “Folder and Search Options”

  • Click over “View” tab.

  • Scroll down to find “Show hidden files and folders” option, and check it in the check box.

  • Find “Hide protected operating system files” and uncheck it. (This will allow you to see super-hidden files in any folder to identify the suspicious ones.)

  • Click “Apply” then “Ok”

Cleaning .jack Files Virus (Dharma Ransomware) definitions from Windows registry

  • To open Windows registry editor, click Win+R combination.

  • Type “regedit” ro simply copy and paste in the command line

  • Press Ok.

  • Navigate to below mentioned registry files depending on your OS versions (32 bit or 64 bit) and delete the files.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or


  • Now Launch the Windows explorer and navigate to %appdata% to find and delete suspicios executable files from there, and close the window.

Fixing Hosts file to block the unwanted redirection on all active browsers

  • Open windows explorer and navigate to Windows directory.

  • Go to System32/drivers/etc/host

  • open the host file and notice it. If the system is hijacked by the infection you would see several IP definitions at the bottom.

  • Select those IP addresses and delete them. (Don’t delete the local host entry)

  • Save and close the file, and exit the explorer window.

Step 3: Removal of .jack Files Virus (Dharma Ransomware) from all reputed browsers (Steps included for Chrome, Firefox & Internet Explorer)

Google Chrome

  • Launch Chrome browser.

  • Click over the main menu icon and select Tools or More Tools, then Extensions.

  • Scroll down to notice the list of installed extensions to find suspicious one and click the bin option beside it.

  • Click remove button to confirm the deletion.

  • Finally, Reset the Chrome settings to default leaving nothing behind.

Mozilla Firefox

  • Launch the Firefox and press CTRL+SHIFT+A to open extension Window.

  • Look for the .jack Files Virus (Dharma Ransomware) extension and Disable it.

  • Now go to Help section.

  • Click over Troubleshooting information then hit the Reset button.

  • Confirm the act to reset the browser.

Internet Explorer

  • Simply, open the browser and click thee Gear Icon on the upper right corner.

  • Navigate to Internet options and click it.

  • Now, navigate to Toolbars and Extensions, to see the list of installed addons to find unwanted one.

  • Disable or delete the selected extensions permanently.

  • In order to reset the Ie, click over Advanced tab, and click Reset.

  • Press OK button to confirm.

Cleaning the browser’s shortcuts on the computer is also recommended in most of the cases and should be accomplished for all installed browsers, for which the steps are:

  • Select the browser short-cut, and right click on it.

  • Navigate the properties and click it.

  • In the opened window, find the target option, and remove the argument for .jack Files Virus (Dharma Ransomware) .

  • Apply the changes.

Step 4: Remove .jack Files Virus (Dharma Ransomware) with an automatic solution

Although the removal method through manual instructions are effective and proven to provide the best results, still some of the victimized users may fail to get the results as per their desire. This can happen due to lack of technical consent to access most of the administrative utilities as used in above guidelines. If you also got stuck through the instructions or seeking the safest method which needs not any high end manual steps, then opting an automatic solution could be the best solution. You just need to do a few instructions taken in practice to install and scan the system deeply that will fix all issues and remove .jack Files Virus (Dharma Ransomware) completely. The required steps to do so is all here mentioned.

Special Offer: 


.jack Files Virus (Dharma Ransomware) is a perilous malware. In order to avoid its removal, it hides its payloads and scripts deep inside the PC. You may try downloading SpyHunter Malware Scanner and check if it detects this malware for you.

Step 1:Download and install .jack Files Virus (Dharma Ransomware) removal tool and install it on your computer (Note:this is a free scanner that will detect the present malwares on your system only. In order to fix the threats completely, you would have to buy its full version to remove the threats.)

Step 1

Step 2: After the installation is finished, run the scanner and you will see the two options as depicted in the image below. Click on “Scan Computer Now” button.

Step 2

Step 3: In this step, you would see the scanning process bar with detection of found threats and its short description along-with its categorized thumbnail.

Step 3

Step 4: Lastly, the scanner finishes scanning the computer to show full list of detected threats on computer. Just click on “Fix Threats” button to complete the removal that hardly takes a few moments depending upon the nature and severity level of the malware items.

Step 4