Home > Ransomware > Remove “Happy Holidays” Sodinokibi virus (Sodinokibi Ransomware)

Remove “Happy Holidays” Sodinokibi virus (Sodinokibi Ransomware)

What is "Happy Holidays" Sodinokibi virus ransomware? How does "Happy Holidays" Sodinokibi virus work? How to open "Happy Holidays" Sodinokibi virus files? How to remove "Happy Holidays" Sodinokibi virus and try to restore files, encrypted by it?

The "Happy Holidays" Sodinokibi virus virus is actually a ransomware infection, whose main idea is to make sure that you won’t be able to use your files anymore, until you pay ransom to the cyber-criminals who are behind it. The main idea of this is that your files get blocks of their data replaced with data from the AES encryption algorithm used by the "Happy Holidays" Sodinokibi virus. The virus then adds its own file extension and drops a ransom note file. This file’s main purpose is to get victims to pay ransom to get your files to be decrypted using the unique decryption key that is generated and held by the crooks. Read this article to learn how to remove "Happy Holidays" Sodinokibi virus from your computer and learn how to recover data encoded by it.

Threat Summary

Name "Happy Holidays" Sodinokibi virus
Type Ransomware, Cryptovirus
Short Description Aims to encrypt files and then ad its custom file extension to them.
Symptoms Files are encrypted and cannot be opened. The "Happy Holidays" Sodinokibi virus also drops a ransom note file, containing the extortionist message.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware


Malware Removal Tool

User Experience Join Our Forum to Discuss "Happy Holidays" Sodinokibi virus.
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.

In January 2020 the Sodinokibi virus has been found to have infected the Gedia Automotive Group. This is a German car parts manufacturer which ships its production from different locations including Spain, Poland, China, Hungary and the United States. The company has stated that when they have received notice of the attack the company immediately has shut down the affected computers and networks. There is no detailed information available about what part of their infrastructure has been affected by the ransomware. The statement however said that all company locations have been compromised. According to the information the company has executed an emergency plan in order to protect its business from serious disruption.

As the company has refused to pay the ransom fee shown in the accompanying note there are reports that about 50 GB of their sensitive information is being sold on underground hacker markets. Such attacks have been made against car parts manufacturers and large corporations over the years such as Honda, Renault-Nissan, Maersk and etc.

"Happy Holidays" Sodinokibi virus – How Did I Get It and What Does It Do?

A new dangerous “Happy Holidays” Sodinokibi virus release has been released by an unknown hacking group in the last week. It builds upon the well-established foundation of this malware family. It is expected that such virus attacks are planned by hacker groups that build upon the ongoing widespread campaigns targeting victims with holiday-themed phishing campaigns. Given the circumastances that this ransoomware originates from Sodinokibi and is confirmed to be sent using social engineering campaigns.

A large part of these attacks are carried out by sending out email messages and orchestrating hacker-made sites. They are designed to include fake contents and design with the aim of manipulating the recipients into thinking that they have received a legitimate notification. Apart from this some of the “Happy Holidays” Sodinokibi virus samples have been shown to be carried out by Trojan delivery, particularly by Azorult.

Related: [wplinkpreview url=”https://sensorstechforum.com/remove-azorult-trojan/”]Remove Azorult Trojan From Your PC

The “Happy Holidays” Sodinokibi virus hs been captured during the ongoing attack campaign. The intrusions appear to be targeting victims at a worldwide scale. When the virus has been deployed onto a given host the main engine will start a multitude of tasks that are part of the ransomware. One of the first action which are done is to execute a data harvesting module. It can acquire information related to the identity of the victim users and details about the computers and the installed hardware. The data can be used for a multitude of crimes — identity theft, blackmail and etc.

The “Happy Holidays” Sodinokibi virus includes an extensive security bypass engine function which will stop the installed security engines and software that can effectively block the proper execution of the virus. This includes the likes of anti-virus engines, firewalls, intrusion detection systems and etc. The main Sodinokibi virus engine will “sleep” itself numerous times, this evades typical signature checks.

Related: [wplinkpreview url=”https://sensorstechforum.com/remove-sodinokibi-ransomware/”]Remove Sodinokibi Ransomware (Update October 2019)

One of the most dangerous aspects of virus strains like this one is the system configuration changes module. It can be used to delete user data, system files and etc. One of the dangerous aspects of this component is the fact that the engine can access the removable devices and network shares. This is used to spread the infection further and also retrieve any data that can be accessed. The “Happy Holidays” Sodinokibi virus can control, create and terminate running processes and also hookup to them. This Trojan-like behavior is particularly dangerous as it allows the hackers to monitor the user input.

The detailed security analysis signals that Windows Registry changes are also made. They include the creation of new values that are related to the virus and its proper execution. The other common action done by this module is the modification of already existing values. The consequences of this actions include data loss, performance problems and unexpected errors.

The behavior pattern can change at any time depending on the local conditions or the hacker instructions. The typical ransomware behavior is to use a built-in list of target file type extensions which are to be processed by a strong cipher. The files will be locked and the users will be unable to access their own data. The victims will be blackmailed into paying the hackers a fee in crytocurrency.

The “Happy Holidays” Sodinokibi virus will assign a custom ID for each individual host. It will be used to label the ransom note (in a TXT file) and in its contents.

Remove “Happy Holidays” Sodinokibi Virus and Try Restoring Files

To remove "Happy Holidays" Sodinokibi virus from your computer, we strongly recommend that you read the instructions underneath. They have been created with the primary purpose to help you remove the "Happy Holidays" Sodinokibi virus files and try to restore all encrypted data. For a faster and effective removal, we strongly recommend that you download and run a scan of your computer using a professional malware removal software. Such program has been made with the main idea to help you erase all traces of the "Happy Holidays" Sodinokibi virus from your machine by scanning for its files and objects. It can also protect you from future threats and intrusive software of this type.

Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.

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.


with Anti-Malware
We recommend you to download SpyHunter and run free scan to remove all virus files on your PC. This saves you hours of time and effort compared to doing the removal yourself.
SpyHunter 5 free remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read EULA and Privacy Policy

About the "Happy Holidays" Sodinokibi virus Research

The content we publish on SensorsTechForum.com, this "Happy Holidays" Sodinokibi virus 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 "Happy Holidays" Sodinokibi virus 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.


1. How to Recognize Spam Emails with Ransomware
2. How Does Ransomware Encryption Work?
3. How to Decrypt Ransomware Files
4. Ransomware Getting Greedier and Bigger, Attacks Increase by 40%
5. 1 in 5 Americans Victim of Ransomware

Windows Mac OS X

How to Remove "Happy Holidays" Sodinokibi virus from Windows.

Step 1: Boot Your PC In Safe Mode to isolate and remove "Happy Holidays" Sodinokibi virus


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.

2. The "Run" Window will appear. In it, type "msconfig" and click OK.

3. Go to the "Boot" tab. There select "Safe Boot" and then click "Apply" and "OK".

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.

5. You can recognise Safe Mode by the words written on the corners of your screen.

Step 2: Uninstall "Happy Holidays" Sodinokibi virus and related software 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.

2. In the field type in "appwiz.cpl" and press ENTER.

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"

Follow the instructions above and you will successfully uninstall most programs.

Step 3: Clean any registries, created by "Happy Holidays" Sodinokibi virus 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 "Happy Holidays" Sodinokibi virus there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.

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

3. You can remove the value of the virus by right-clicking on it and removing it.

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.

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: Scan for "Happy Holidays" Sodinokibi virus 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.


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


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.


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

Video Guide for Automatic and Fast Removal

Step 5 (Optional): Try to Restore Files Encrypted by "Happy Holidays" Sodinokibi virus.

Ransomware infections and "Happy Holidays" Sodinokibi virus 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.

Step 6: How to Restore Files Encrypted by Ransomware (Video Guide)

Windows Mac OS X

Get rid of "Happy Holidays" Sodinokibi virus from Mac OS X.

Step 1: Uninstall "Happy Holidays" Sodinokibi virus and remove related files and objects

Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy

1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:

2. Find Activity Monitor and double-click it:

3. In the Activity Monitor look for any suspicious processes, belonging or related to "Happy Holidays" Sodinokibi virus:

Tip: To quit a process completely, choose the “Force Quit” option.

4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.

5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to "Happy Holidays" Sodinokibi virus. If you find it, right-click on the app and select “Move to Trash


6. Select Accounts, after which click on the Login Items preference.

Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to "Happy Holidays" Sodinokibi virus. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.

7. Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove "Happy Holidays" Sodinokibi virus via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as "Happy Holidays" Sodinokibi virus. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents

Tip: ~ is there on purpose, because it leads to more LaunchAgents.

Click the button below below to download SpyHunter for Mac and scan for "Happy Holidays" Sodinokibi virus:


SpyHunter for Mac

Step 3 (Optional): Try to Restore Files Encrypted by "Happy Holidays" Sodinokibi virus.

Ransomware infections and "Happy Holidays" Sodinokibi virus 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 top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.

"Happy Holidays" Sodinokibi virus FAQ

What is "Happy Holidays" Sodinokibi virus ransomware and how does it work?

"Happy Holidays" Sodinokibi virus 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 algorithm how 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.

How does "Happy Holidays" Sodinokibi virus ransomware infect my computer?

Via several ways."Happy Holidays" Sodinokibi virus Ransomware infects computers by being sent via phishing e-mails, 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.

After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.

Another way, you may become a victim of "Happy Holidays" Sodinokibi virus 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 ."Happy Holidays" Sodinokibi virus files?

You can't. At this point the ."Happy Holidays" Sodinokibi virus files are encrypted. You can only open them once they are decrypted.

Decryptor did not decrypt my data. What now?

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

One way to restore files, encrypted by "Happy Holidays" Sodinokibi virus ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.

How Do I restore "."Happy Holidays" Sodinokibi virus" files (Other Methods)?

Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ."Happy Holidays" Sodinokibi virus files.

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

How do I get rid of "Happy Holidays" Sodinokibi virus ransomware virus?

The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate "Happy Holidays" Sodinokibi virus ransomware and then remove it without causing any additional harm to your important ."Happy Holidays" Sodinokibi virus files.

Also, keep in mind that viruses like "Happy Holidays" Sodinokibi virus ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.

What to Do If nothing works?

There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:

  • Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
  • Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
  • Also, check if some of the files that were encrypted it can be re-downloaded from the web.
  • Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
  • You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.

More tips you can find on our forums, where you can also asks any questions about your ransomware problem.

How to 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:

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

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