What Is Hheo Virus?
Hheo virus is the name of a nasty ransomware infection, which belongs to a large scale family of threads, commonly known as the STOP/DJVU viruses. The main objective of these viruses is to hiddenly get inside your PC and scan for and encrypt files in order to extort you into paying a ransom fee in the form of bitcoin. This particular virus uses the .hheo file extension and a ransom extortion note, containing the extortionists message, that is known as the _readme.txt file.
Read this article if you want to understand more details about this virus and how to get rid of it completely and fix your files by decrypting them.
Hheo Virus Summary
Name | Hheo virus, also known as UDS:Trojan.Win32.Chapak.gen, Ransom:Win32/StopCrypt.KM!MTB, Win32:PWSX-gen [Trj], Win32:PWSX-gen [Trj], A Variant Of Win32/GenKryptik.FHJB |
File Extension | .Hheo |
Type | Ransomware, Cryptovirus |
Short Description | The ransomware encrypts files on your computer system and demands a ransom to be paid to allegedly recover them. |
Symptoms | The Hheo Virus ransomware will encrypt your files by appending the .Hheo extension to them. |
Ransom Demanding Note | _readme.txt |
Distribution Method | Spam Emails, Email Attachments |
Detection Tool |
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Hheo Virus – How Does It Infect?
The Hheo virus is a part of the STOP Ransomware family of infections, which includes the latest detected variants, using the .hgsh, .yqal and .mljx extensions. All of these variants typically get spread on computers via one of the two following ways:
- If you downloaded some type of a file which upon executing has caused the infection.
- If you have downloaded some type of an email attachment or clicked on a link that is shared on an email message sent to you that appears important.
If your computer has gotten the virus by opening an email attachment, then there is a strong chance that this attachment may pretend to be one of the following documents:
- Receipts.
- Invoices.
- Work-related files.
- E-Tickets for events or flights.
When the victim downloads and execute the attachment, thinking it is a legitimate file that is most likely something very important, they will be asked to enable the contents of the file, which triggers the following infection process:
Another way to get this virus is possibly by downloading some file that has been uploaded on a software download website with a low reputation. Many victims of this virus report that they have gotten their PCs infected by the following files being downloaded from such sites:
- Key generator (or Keygen).
- Fake installation files.
- Software patches.
- Self extracting archives or regular archives.
- Cracked portable versions of apps.
- Software or game cracks.
Hheo Virus – What Does It Do?
Soon as the virus infect your computer system, it leaves behind the _readme.txt file. It’s purpose is to make you aware of the virus being present and make you pay hundreds of dollars in Bitcoin to the cyber-criminals for your files.
The ransom note has the following message:
Other activities that this virus is most likely involved and is modifying the registry editor of your computer system, more importantly targeting the following windows subkeys:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Not only this, but the Hheo virus may also connect to a command and control server and download it’s malicious payload files, that could be located in the following Windows directories:
- %AppData%
- %Local%
- %Temp%
- %System%
- %system32%
- %Windows%
- %SystemDrive%
- %LocalLow%
.hheo Files – What Are They?
The .hheo files are encrypted with changed core data by the encryption mode that is used by this virus. When it encrypts files, the virus skips scanning the system directories of Windows and goes for your most often used file types, based on their file extensions, for example the following:
- Audio file formats (.mp3, .wav, etc.).
- Pictures (.jpg, .png, .etc).
- Video file types (.mp4, .avi, etc.).
- Archives (.zip, .rar, etc).
- Document file kinds (.docx, .pptx, etc.).
- Other types of often used data.
When the Hheo virus has completed encrypting your files, it uses its own file extension after the original one of each file, making them look like the following:
Picture.jpg.hheo
How to Remove Hheo Virus?
Hheo virus can effectively be deleted from your computer by following the removal steps beneath. It has been made to help you manually or automatically take care of this threat. If you want the best and most effective removal, our suggestion is the same as any expert to tell you and that is to scan your device using a professional anti-malware software. Such a security tool is often recommended by any expert as it has the capability of thoroughly checking your PC and cleaning it up from any kind of threats.
How to Decrypt .hheo Files?
In order to effectively decrypt files, containing off-line keys, the only working method so far seems to be following the STOP Ransomware File Decryption Guide or the video guide below.
Video guide for using the STOP Ransomware Decryptor:
- Step 1
- Step 2
- Step 3
- Step 4
- Step 5
Step 1: Scan for Hheo with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall Hheo 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:
Step 3: Clean any registries, created by Hheo 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 Hheo there. This can happen by following the steps underneath:
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 Hheo
Step 5: Try to Restore Files Encrypted by Hheo.
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:
2. Agree with the license terms:
3. Click on "Add Folder" and then add the folders where you want files decrypted as shown underneath:
4. Click on "Decrypt" and wait for your files to be decoded.
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 Hheo 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.
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.
Hheo-FAQ
What is Hheo Ransomware?
Hheo 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 Hheo 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 Hheo Infect?
Via several ways.Hheo 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 Hheo 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 .Hheo files?
You can't without a decryptor. At this point, the .Hheo 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 .Hheo files successfully, then do not despair, because this virus is still new.
Can I Restore ".Hheo" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .Hheo 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 Hheo 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 Hheo ransomware and then remove it without causing any additional harm to your important .Hheo 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 Hheo 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 Hheo Research
The content we publish on SensorsTechForum.com, this Hheo 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 Hheo 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.