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Decrypt .lockedgood Encrypted Files by JigSaw Ransomware (Free)

This article aims to explain how you can effectively remove JigSaw ransomware virus from your computer how to decrypt .lockedgood files for free.

JigSaw ransomware has been around for almost two years time now and when the first variant of this ransomware was launched, the virus aimed to scan for and encrypt over 120 file types on the infect machines of the users. The malware then displayed a lockscreen with the scary creature of JigSaw and shortly after this it also ads a countdown timer. The virus has gone through hundreds of variants since then and researchers have also developed a decryptor for it, so if you want to remove it from your computer and then decrypt your files for free, read this article thoroughly.

Threat Summary

Name .lockedgood JigSaw
Type Ransomware, Cryptovirus
Short Description Encrypts the files on your computer and gives you a deadline timer to pay ransom in BitCoin to get them to work again.
Symptoms Files are encrypted, containing the .lockedgood file extension.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware

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Malware Removal Tool

User Experience Join Our Forum to Discuss .lockedgood JigSaw.
Data Recovery Tool Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.lockedgood JigSaw Ransomware – Distribution

The .lockedgood variant of JigSaw is believed to use a fake BitCoinGenerator.exe file which was reported at VirusTotal to have the following information:

→ SHA-256: 314a4304015be763d96cf7c12173a674debf451e654a96eb8aa872488b7c5754
Name: BitcoinGenerator.exe
Size: 1.91 MB

Such BitCoin generators are basically a common practice against scammers and they use them to upload fake .exe files on suspicious websites. Once the victim gets lured into downloading and executing it, infection is immediate.

.lockedgood JigSaw Variant – More Information

JigSaw ransomware has been detected in hundreds of types so far, all off which are decryptable. When this virus infects your computer, the following folders may be the places where it’s files might reside:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%
  • %Roaming%

The virus then activates the virus file dropped, which immeidately gets down to encrypting your important files. The .lockedgood ransomware may encrypt files, based on their types. The malware targets the files, based on their file extensions. JigSaw usually scans for the following types of files:

→ .3dm, .3g2, .3gp, .7zip, .aaf, .accdb, .aep, .aepx, .aet, .ai, .aif, .as, .as.txt, .as3, .asf, .asp, .asx, .avi, .bmp, .c, .class, .cpp, .cs, .csv, .dat, .db, .dbf, .doc, .docb, .docm, .docx, .dot, .dotm, .dotx, .dwg, .dxf, .dxf.c, .efx, .eps, .fla, .flv, .gif, .h, .idml, .iff, .indb, .indd, .indl, .indt, .inx, .jar, .java, .jpeg, .jpg, .js, .m3u, .m3u8, .m4u, .max, .mdb, .mid, .mkv, .mov, .mp3, .mp4, .mpa, .mpeg, .mpg, .msg, .pdb, .pdf, .php, .plb, .pmd, .png, .pot, .potm, .potx, .ppam, .ppj, .pps, .ppsm, .ppsx, .ppt, .pptm, .pptx, .prel, .prproj, .ps, .psd, .py, .ra, .rar, .raw, .rb, .rtf, .sdf, .ses, .sldm, .sldx, .sql, .svg, .swf, .tif, .txt, .vcf, .vob, .wav, .wma, .wmv, .wpd, .wps, .xla, .xlam, .xll, .xlm, .xls, .xlsb, .xlsm, .xlsx, .xlt, .xltm, .xltx, .xlw, .xml, .xqx, .zip

After encryption, the ransomware drops a ransom note, and may leave behind a countdown timer. Luckily for victims, the virus is now decryptable and after removing it, keep reading this article for it’s recovery instructions, using the Jigsaw Decryper by demonslay335.

Jigsaw Ransomware Decryption Instructions

Before starting to download the decryptor and learning how to use it, we must have you know that this may take some time. This is why it is advisable to make your computer run permanently without automatically hibernating or shutting down automatically after some time. To do this, please follow the bellow-mentioned instructions:

1: Click on the battery icon in your system tray (next to the digital clock) in Windows and then click on More Power Options.
2: The Power Options menu will appear. In your power plan click on Change Plan Settings.
3: In your plan’s settings make sure you set “Turn off the display” and “Put computer to sleep” to “Never” from the drop down minutes menu.
4: Click on “Change Advanced Plan Settings” and click to expand the “Hard Disk” option in the list there.
5: From there, set the power settings (On Battery and Powered On) to “Never”.

After this has been complete, then you should start the decryption process itself. Even though nothing should go wrong, we strongly advise you to make sure that your files and computer are safe. To do this, you may either scan your computer with an advanced anti-malware program or create copies of the encrypted files and try to decrypt them from a safe PC, just in case something goes wrong.

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Malware Removal Tool


Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

After you have secured your computer, you should follow these instructions to download, install and use Jigsaw Decryptor by demonslay335:

Step 1: Download Jigsaw Decryptor from the button below and open the .ZIP file


1-jigsawdecrypter-download-zip-main-sensorstechforum

Step 2: Extract the JigSawDecrypter.exe file whenever you feel comfortable to easily access it:

2-jigsaw-decrypter-exe-file-desktop-sensorstechforum

Step 3: Right-Click on it after which click on Run as Administrator… and you should see its primary interface:

3-jigsaw-decrypter-sensorstechforum-main-interface

Step 4: From there, click on the Select Directory button and choose a directory the files in which you want decrypted:

4-jigsaw-choose-files-to-decrypt-sensorstechforum

Step 5: Click on the button Ok after selecting and then click on Decrypt Files and wait for the decryption process to be complete:

5-jigsaw-decrypter-decrypt-files-sensorstechforum

Bear in mind that this process may take some time, it really depends on the files, their size and other factors, like the ransomware variant and its modification. This is why we strongly suggest you to take into consideration leaving your computer to work it out while you are not using it.

Conclusion

As a bottom line, we strongly advise users who have been infected by the JigSaw ransomware to follow these advises to prevent this mess from happening in the near future:

Advice 1: Make sure to read our general protection tips and try to make them your habit and educated others to do so as well.
Advice 2: Install an advanced anti-malware program that has an often updated real-time shield definitions and ransomware protection.

Advice 3: Seek out and download specific anti-ransomware software which is reliable.

Advice 4: Backup your files using one of the methods in this article.

Advice 5: : Make sure to use a secure web browser while surfing the world wide web.

Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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  • Step 1
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  • Step 4
  • Step 5

Step 1: Scan for .lockedgood JigSaw with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.


It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.


2. After you have installed SpyHunter, wait for it to update automatically.

scan for and delete ransomware virus step 2


3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

scan for and delete ransomware virus step 3


4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

scan for and delete ransomware virus step 4

If any threats have been removed, it is highly recommended to restart your PC.

Ransomware Automatic Removal - Video Guide

Step 2: Uninstall .lockedgood JigSaw and related malware from Windows

Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:


1. Hold the Windows Logo Button and "R" on your keyboard. A Pop-up window will appear.
delete ransomware from windows step 1


2. In the field type in "appwiz.cpl" and press ENTER.
delete ransomware from windows step 2


3. This will open a window with all the programs installed on the PC. Select the program that you want to remove, and press "Uninstall"
delete ransomware from windows step 3Follow the instructions above and you will successfully delete most unwanted and malicious programs.


Step 3: Clean any registries, created by .lockedgood JigSaw on your computer.

The usually targeted registries of Windows machines are the following:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

You can access them by opening the Windows registry editor and deleting any values, created by .lockedgood JigSaw there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.
delete ransomware virus registries step 1


2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
delete ransomware virus registries step 2


3. You can remove the value of the virus by right-clicking on it and removing it.
delete ransomware virus registries step 3 Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.

IMPORTANT!
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.

Step 4: Boot Your PC In Safe Mode to isolate and remove .lockedgood JigSaw

OFFER

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your PC with SpyHunter

Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria

1. Hold Windows Key + R.
remove ransomware in safe mode step 1


2. The "Run" Window will appear. In it, type "msconfig" and click OK.
remove ransomware in safe mode step 2


3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".
remove ransomware in safe mode step 3
Tip: Make sure to reverse those changes by unticking Safe Boot after that, because your system will always boot in Safe Boot from now on.


4. When prompted, click on "Restart" to go into Safe Mode.
remove ransomware in safe mode step 4


5. You can recognise Safe Mode by the words written on the corners of your screen.
remove ransomware in safe mode step 5


Step 5: Try to Restore Files Encrypted by .lockedgood JigSaw.

Method 1: Use STOP Decrypter by Emsisoft.

Not all variants of this ransomware can be decrypted for free, but we have added the decryptor used by researchers that is often updated with the variants which become eventually decrypted. You can try and decrypt your files using the instructions below, but if they do not work, then unfortunately your variant of the ransomware virus is not decryptable.

Follow the instructions below to use the Emsisoft decrypter and decrypt your files for free. You can download the Emsisoft decryption tool linked here and then follow the steps provided below:

1 Right-click on the decrypter and click on Run as Administrator as shown below:

stop ransomware decryptor step 1

2. Agree with the license terms:

stop ransomware decryptor step 2

3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:

stop ransomware decryptor step 3

4. Click on "Decrypt" and wait for your files to be decoded.

stop ransomware decryptor step 4

Note: Credit for the decryptor goes to Emsisoft researchers who have made the breakthrough with this virus.

Method 2: Use data recovery software

Ransomware infections and .lockedgood JigSaw aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.

1. Download the recommended Data Recovery software by clicking on the link underneath:

Simply click on the link and on the website menus on the top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.


.lockedgood JigSaw-FAQ

What is .lockedgood JigSaw Ransomware?

.lockedgood JigSaw is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files. 

Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.

What Does .lockedgood JigSaw Ransomware Do?

Ransomware in general is a malicious software that is designed to block access to your computer or files until a ransom is paid.

Ransomware viruses can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.

How Does .lockedgood JigSaw Infect?

Via several ways..lockedgood JigSaw Ransomware infects computers by being sent via phishing emails, containing virus attachment. This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.

Another way you may become a victim of .lockedgood JigSaw is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.

How to Open ..lockedgood JigSaw files?

You can't without a decryptor. At this point, the ..lockedgood JigSaw files are encrypted. You can only open them once they are decrypted using a specific decryption key for the particular algorithm.

What to Do If a Decryptor Does Not Work?

Do not panic, and backup the files. If a decryptor did not decrypt your ..lockedgood JigSaw files successfully, then do not despair, because this virus is still new.

Can I Restore "..lockedgood JigSaw" Files?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..lockedgood JigSaw files. 

These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.

How To Get Rid of .lockedgood JigSaw Virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.

It will scan for and locate .lockedgood JigSaw ransomware and then remove it without causing any additional harm to your important ..lockedgood JigSaw files.

Can I Report Ransomware to Authorities?

In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.

Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:

Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:

Germany - Offizielles Portal der deutschen Polizei

United States - IC3 Internet Crime Complaint Centre

United Kingdom - Action Fraud Police

France - Ministère de l'Intérieur

Italy - Polizia Di Stato

Spain - Policía Nacional

Netherlands - Politie

Poland - Policja

Portugal - Polícia Judiciária

Greece - Cyber Crime Unit (Hellenic Police)

India - Mumbai Police - CyberCrime Investigation Cell

Australia - Australian High Tech Crime Center

Reports may be responded to in different timeframes, depending on your local authorities.

Can You Stop Ransomware from Encrypting Your Files?

Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.

Can .lockedgood JigSaw Ransomware Steal Your Data?

Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.

In many cases, the malware authors or attackers will threaten to delete the data or publish it online unless the ransom is paid.

Can Ransomware Infect WiFi?

Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.

Should I Pay Ransomware?

No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.

What Happens If I Don't Pay Ransom?

If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.

Can a Ransomware Attack Be Detected?

Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.

It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.

Do Ransomware Criminals Get Caught?

Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.

About the .lockedgood JigSaw Research

The content we publish on SensorsTechForum.com, this .lockedgood JigSaw how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.


How did we conduct the research on this ransomware?

Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.

Furthermore, the research behind the .lockedgood JigSaw ransomware threat is backed with VirusTotal and the NoMoreRansom project.

To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.


As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.

How to recognize trustworthy sources:

  • Always check "About Us" web page.
  • Profile of the content creator.
  • Make sure that real people are behind the site and not fake names and profiles.
  • Verify Facebook, LinkedIn and Twitter personal profiles.

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