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Remove GPCODE Ransomware and Restore .LOL Encrypted Files

shutterstock_271501652Users report activity by ransomware known as GPCODE. This particular virus uses a combination of a very strong encryption ciphers – RSA and AES, both used by the government to hide top secret files. Not only this, but the GPCODE creators have quite the laughs at the expense of the user, adding a .LOL (Laughing Out Loud) file extension and a “funny” clown-like ransom note. All users who have been affected should not pay any ransom money to the makers of this nasty malware and focus on removing it and restoring the files themselves. We advise reading this article completely to learn more about removing this ransomware and restoring the encoded data yourself.

Threat Summary

Name GPCODE
Type Ransomware
Short Description The ransomware encrypts files with the RSA algorithm and AES-128 ciphers and asks a ransom for decryption. Reported to attack servers and office networks.
Symptoms Files are encrypted and become inaccessible. A ransom note with instructions for paying the ransom shows as a .txt file.
Distribution Method Spam Email Attachments pretending to be the delivery company UPS.
Detection Tool See If Your System Has Been Affected by malware

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User Experience Join our forum to Discuss Locky Ransomware.
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.

GPCODE Ransomware – Methods of Infection

Since this particular ransomware also known as the JOKE virus is reported to infect servers which have Citrix environment. Citrix is a system of programs designed to help cut costs by running multiple devices in a network using a virtual environment. Such servers may usually be infected if information about their IP address is known somehow. Since systems such as Citrix centralize on one device and the traffic goes partially through that device this may be one method of spreading. Let us imagine that one user on the Citrix system of devices is careless and opens up one of the two main spreading methods reportedly associated with GPCODE:

  • Malicious URLs.
  • Malicious e-mail attachments.

Even if the network does not use such systems, GPCODE is also reported to spread and encrypt shared files between the devices in the network. This is why one compromised computer by GPCODE is a risk to the whole network.

Infected users have also reported that the ransomware was spread via email attachments that had the following subject:

  • “Your UPS delivery confirmation.”

And this is not the worst part. System administrators of infected networks have also complained that this malware spreads via UNC paths which can be quite risky in multiple ways.

GPCODE Ransomware Viewed In Detail

Since a little is known about this ransomware, it is widely believed that it may situate files in the following file folders, containing different names:

commonly used file names and folders

After doing, so, GPCODE may modify the registry entries of the infected machine so that its file-encryption process starts when the PC is turned on. This is why we strongly advise users who believe they are infected not restart or power off their devices. The targeted registry key for this is:

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

Not only this, but the ransomware may use a unique file encryption method that consists of the two following ciphers:

  • RSA – 1048
  • AES – (128 or 256)

Researchers strongly believe that the AES algorithm is being used to encrypt the files GPCODE looks for whereas the RSA cipher is being used to encode the key which can be used to decrypt those AES files. This is particularly effective because even if the users have the decryptor provided by the cyber crooks, they cannot decrypt the key. And what is worse, is most malware writers set a unique private key, making the situation, even more, complicated.

Regarding the files it aims to encrypt, GPCODE is oriented towards as many commonly used file extensions as possible. It uses the .LOL file extension after it encrypts the data, for example:

  • New Text Document.txt.LOL

Not only this, but the GPCODE ransomware is reported by infected users to add a “JOKE” ransom note, named “how to get data.txt”:

→ “JOKE
Hello boys and girls! Welcome to our high school “GPCODE”!
If you are reading this text (read this very carefully, if you can read), this means that you have missed a lesson about safety and YOUR PC HACKED !!! Dont worry guys – our school specially for you! The best teachers have the best recommendations in the world! Feedback from our students, you can read here:
1)https://forum.kaspersky.com.2)https://forum.eset.com 3)https://forum.drweb.com 4) www.forospyware.com As you see- we trust their training,only we have spesial equipment(cryptor.exe and decryptor.exe).Only here you will get an unforgettable knowledge!
The lesson costs not expensive. Calculate the time and money you spend on recovery. Time is very expensive, almost priceless.We think that it is cheaper to pay for the lesson and never repeat the mistakes.We guarantee delivery of educational benefits(decryptor.exe). First part(cryptor.exe) you have received :-)
SERIOUSLY
Your important files (photos, videos, documents, archives, databases, backups, etc.) which were crypted with the strongest military cipher RSA1024 and AES.No one can`t help you to restore files without our decoder. Photorec, RannohDecryptor etc repair tools are useless and can destroy your files irreversibly.
If you want to restore files – send e-mail to gpcode@mail2tor.com with the file “how to get data.txt” and 1-2 encrypted files less than 2 MB. PLEASE USE public mail like yahoo or gmail.
You will receive decrypted samples and our conditions how you`ll get the decoder. Follow the instructions to send payment.
P.S. Remember, we are not scammers. We don`t need your files. After one month all your files and keys will be deleted.Oops!Just send a request immediately after infection. All data will be restored absolutelly. Your warranty – decrypted samples and positive feedbacks from previous users.”Source: BleepingComputer

In addition to those, the ransomware may also spread out other files, such as a .RSA or .KEY file that contains the unique decryption key. The good news about it is that the cyber-criminals behind it may encrypt 1 or 2 files for free, and they do not demand a high amount of ransom payment (0.5 BTC which at the time of writing this is approximately 230$). Users who have paid the ransom have claimed that they were sent a decryptor containing their private key and were able to restore their files. However, we strongly advise considering other alternatives before funding cyber-crooks.

Remove GPCODE Ransomware and Restore Your Data

To remove this crypto malware, it is vital to isolate it, because like any other malware it may modify different settings of your PC to protect itself. This is why we recommend following the step-by-step instructions below for maximum effectiveness.

Unfortunately, there is no current solution for a direct file decryption that is working 100%, besides the reported ransom payment. However, we have prepared some alternative methods which you may want to try before paying any ransom. For more information on them check the step “Restore files encrypted by GPCODE”. Bear in mind that there is no guarantee that the methods will work for you.

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
  • Step 2
  • Step 3
  • Step 4
  • Step 5

Step 1: Scan for GPCODE 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 GPCODE 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 GPCODE 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 GPCODE 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 GPCODE

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 GPCODE.

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 GPCODE 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.


GPCODE-FAQ

What is GPCODE Ransomware?

GPCODE 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 GPCODE 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 GPCODE Infect?

Via several ways.GPCODE 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 GPCODE 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 .GPCODE files?

You can't without a decryptor. At this point, the .GPCODE 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 .GPCODE files successfully, then do not despair, because this virus is still new.

Can I Restore ".GPCODE" Files?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .GPCODE 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 GPCODE 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 GPCODE ransomware and then remove it without causing any additional harm to your important .GPCODE 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 GPCODE 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 GPCODE Research

The content we publish on SensorsTechForum.com, this GPCODE 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 GPCODE 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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