What Is TZW Virus?
TZW ransomware is a malicious computer virus that encrypts user data and demands a ransom payment in order to decrypt the data and regain access to it. This virus can be spread through malicious emails, malicious websites, and other malicious sources. It is important to protect your data from this virus by using reliable antivirus software and following safe browsing practices.
Read this article to learn more information about this ransomware and what you can do to remove it and try fixing your files.
TZW Virus – Details
Name | TZW 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 – more detections of this virus on VirusTotal |
File Extension | .TZW |
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 TZW Virus ransomware will encrypt your files by appending the .TZW extension to them. |
Ransom Demanding Note | readme.txt |
Distribution Method | Spam Emails, Email Attachments |
Detection Tool |
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TZW Virus – Why Is My Windows Infected?
The TZW Virus is a malicious computer virus that can use an obfuscator to infect Windows systems and cause damage to the computer. It is important to locate and get rid of the virus as soon as possible to prevent further damage to the system.
TZW Virus – How Did I Get Infected?
TZW is a malicious computer virus that infects computers by exploiting vulnerabilities in system security. It can be spread through malicious email attachments, infected websites, and peer-to-peer file sharing networks. It is essential to take precautions to prevent infection by TZW Virus, such as updating security software, avoiding suspicious websites, and not opening suspicious emails.
Two main methods of infection tied to ransomware viruses, like TZW exist:
- If it is sent to you as an e-mail attachment or a URL.
- By being downloaded from a shady site.
TZW Virus – What Does It Do?
TZW Virus ransomware is a malicious type of software that infects a victim’s computer, encrypts their files, and then demands a ransom payment in order to decrypt the files. It is a serious security threat and can cause significant damage to an individual or organization if left unchecked.
TZW virus may first drop its own payload files, that may be located in the following directories:
- %Local%
- %Temp%
- %Windows%
- %SystemDrive%
- %LocalLow%
- %AppData%
- %System%
- %system32%
The virus also uses a ransom note file, called readme.txt and containing the following message:
Attention!
All your files, documents, photos, databases and other important files are encrypted
The only method of recovering files is to purchase an unique decryptor. Only we can give you this decryptor and only we can recover your files.
The server with your decryptor is in a closed network TOR. You can get there by the following ways:
——————————————-
1. Download Tor browser – hxxps://www.torproject.org/
2. Install Tor browser
3. Open Tor Browser
4. Open link in TOR browser: –
5. and open ticket——————————————-
Alternate communication channel here: –
The TZW ransomware may also create value entries in several Registries of Windows, like the Run and RunOnce sub-keys.
What Are .tzw Files?
The .tzw files are malicious files that have been encrypted by a ransomware virus using a cipher. The virus encrypts files on a computer and requires a ransom payment in order to decrypt them. The .tzw extension is used to mark the encrypted files and it is important to never pay the ransom as it will not recover your files.
The main files this virus attacks include the following:
- Videos (.mp4, .avi, etc.).
- Audio (.mp3, .wav, etc.).
- Picture file kinds (.jpg, .png, .etc).
- Archive file formats (.zip, .rar, etc).
- Documents of different types (.docx, .pptx, etc.).
- Others.
The files appear mainly like the following screenshot shows:
How to Open .tzw Files?
To open files encrypted by ransomware, you will need to use a special tool designed to decrypt the files. This tool can usually be found online and will require the use of the unique encryption key associated with your files. After you have decrypted the files, you will be able to view and open the .tzw files.
How To Protect Windows from TZW Virus In The Future?
To protect Windows from TZW virus in the future, make sure to install and update antivirus software, keep your operating system and applications up-to-date, practice safe browsing habits, and use a reliable firewall. Additionally, back up important files and keep them in a secure location and read the following guide on how to safely store your files to protect them from ransomware
How to Remove TZW Ransomware Virus?
Removing TZW Virus Ransomware requires the use of a reliable anti-malware program. This will scan the system and identify any malicious files, after which the program will remove them safely. It is important to ensure that the program is kept up to date in order to protect against any new variants of the virus.
- Step 1
- Step 2
- Step 3
- Step 4
- Step 5
Step 1: Scan for TZW with SpyHunter Anti-Malware Tool
Ransomware Automatic Removal - Video Guide
Step 2: Uninstall TZW 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 TZW 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 TZW 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 TZW
Step 5: Try to Restore Files Encrypted by TZW.
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 TZW 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.
TZW-FAQ
What is TZW Ransomware?
TZW 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 TZW 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 TZW Infect?
Via several ways.TZW 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 TZW 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 .TZW files?
You can't without a decryptor. At this point, the .TZW 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 .TZW files successfully, then do not despair, because this virus is still new.
Can I Restore ".TZW" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .TZW 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 TZW 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 TZW ransomware and then remove it without causing any additional harm to your important .TZW 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 TZW 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 TZW Research
The content we publish on SensorsTechForum.com, this TZW 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 TZW 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.
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