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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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Step 1: 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.

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 "Happy Holidays" Sodinokibi virus 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 "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.
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.

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 "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.
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 "Happy Holidays" Sodinokibi virus.

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 "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.

"Happy Holidays" Sodinokibi virus-FAQ

What is "Happy Holidays" Sodinokibi virus Ransomware?

"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 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 "Happy Holidays" Sodinokibi virus 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 "Happy Holidays" Sodinokibi virus Infect?

Via several ways."Happy Holidays" Sodinokibi virus 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 "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 without a decryptor. At this point, the ."Happy Holidays" Sodinokibi virus 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 ."Happy Holidays" Sodinokibi virus files successfully, then do not despair, because this virus is still new.

Can I Restore "."Happy Holidays" Sodinokibi virus" Files?

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% 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 "Happy Holidays" Sodinokibi virus 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 "Happy Holidays" Sodinokibi virus ransomware and then remove it without causing any additional harm to your important ."Happy Holidays" Sodinokibi virus 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 "Happy Holidays" Sodinokibi virus 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 "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.

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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