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Gw3w ransomware. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Ransomware

Gw3w ransomware – one of B2DR virus versions demanding a ransom after files' encryption

Gw3w ransomware
Gw3w ransomware is a virus that displays ransom message

Gw3w is a high-risk ransomware that is designed to infiltrate the system unknowingly. The research has shown that it's one of the versions of B2DR ransomware. This virus uses AES-256 encryption algorithm and appends “.reycarnasi1983@protonmail.com.gw3w” file extension to targeted data. Previous versions add “.ssananunak1987@protonmail.com.b2fr”; “.bronmerkberpa1976@protonmail.com.b2dr”; “.setimichas1971@protonmail.com.b4wq” suffixes. When ransomware locks files, it demands to contact criminals using email or TOR network.

Name  Gw3w
Type  Ransomware
Previous versions  B2fr; B2dr; B4wq 
Extensions

.reycarnasi1983@protonmail.com.gw3w;
.bronmerkberpa1976@protonmail.com.b2dr; 
.setimichas1971@protonmail.com.b4wq;
.ssananunak1987@protonmail.com.b2fr.

Email  reycarnasi1983@protonmail.com
Encryption method AES-256
Ransom file ScrewYou.txt
Distribution  Insecure spam email attachments
Elimination

Best tool for ransomware removal is Reimage

Gw3w virus usually gets into Windows computer when a user opens a malicious email attachment. Once malware payload is dropped and executed, it starts making system changes in order to boot on system startup and remain as soon as possible on the device.

Furthermore, Gw3w ransomware begins the most important task – file encryption. It scans the system looking for the targeted data. It locks all files strong AES encryption and makes them useless. After the successful encryption virus places ransom message file “ScrewYou.txt“ on every folder that has encrypted files:

Ask how to restore your files by email reycarnasi1983@protonmail.com

Use only gmail.com, yahoo.com, protonmail.com.
Messages written from other mail services we can not get.

We always respond to messages. If there is no answer within 24 hours, then write us with another email service.

As you can see from the extract, creators of Gw3w ask to contact them via email and promise to respond immediately. However, they also give alternative solution for those who are willing to do what they ask but did not receive the answer in one day time:

If within 24 hours you have not received a response, you need to follow the following instructions:

a) Download and install TOR browser: [link removed]
b) From the TOR browser, follow the link: [link removed]
c) Register your e-mail (Sign Up)
d) Write us on e-mail: [link emoved]
ATTENTION: e-mail (reycarnasi1983@torbox3uiot6wchz[.]onion) accepts emails, only with e-mail registered in the TOR browser at torbox3uiot6wchz[.]onion

Virus developers suggest you contact them by the given email address and then you can allegedly receive your decryption key. Interesting the fact that these cybercriminals want you to use specific email services. Although, do not contact developers of Gw3w ransomware virus in any way because they can take your money and ignore you after. This means that you lose your money and can be at risk for other malicious malware.

This virus is not just a scam,[1] it can do severe damage. After the cyber attack, your computer becomes vulnerable, so other cyber threats might easily sneak into the system. This is the biggest reason you should remove Gw3w ransomware ASAP. Additionally, while the virus resides on the system, you cannot safely plug in any external drives because malware can affect them too. Hence, you may lose copies of the important files too.

Cybersecurity specialists from Uirusu.jp[2] recommend you to use proper tools for Gw3w ransomware removal. Anti-malware programs like Reimage can be the best solution here because malware like this can contain other tools or applications that change your Windows system Registry key or even more.

Be careful with received emails – they might be spreading malware

Usually, you can spot potentially dangerous spam emails by their shady or aggressive commercial offers. However, macro viruses,[3] such as ransomware-type cyber threats, can be hidden in safe-looking files, f.e., Microsoft Word documents. This means that when you open an attachment from letters like this, you immediately get malware on the system. It is essential to be cautious while browsing through your emails.

Even so, you should delete all of those suspicious emails without opening and clean your email boxes occasionally. That clickable content, deals, offers are mostly there to grab your attention and trick into installing malicious content on your machine. We want to remind about the importance to double-check the information before opening any file added to the email.

Get rid of Gw3w ransomware and try to recover your files

You should use anti-malware tools if you want to remove Gw3w ransomware correctly. This fact is important because professional tools can eliminate every little ransomware addition and piece of malware that may have been brought to your PC. Trusting programs like Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes can be vital here.

We highly recommend focusing on Gw3w ransomware removal instead of immediately looking for the ways to decrypt or restore data. However, decryption tools are not available. The only possibility to restore your files is to use backups. Do not plug in any drive to a computer that has not been cleaned yet. You should back all of your data occasionally because if you do not, file recovery can get very difficult. We have a couple of alternative methods that might help down below.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Gw3w virus, follow these steps:

Remove Gw3w using Safe Mode with Networking

First step you can do when dealing with ransomware is rebooting your PC in Safe Mode with Networking

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Gw3w

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Gw3w removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Gw3w using System Restore

You can also try System Restore feature

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Gw3w. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Gw3w removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Gw3w from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Gw3w, you can use several methods to restore them:

Data Recovery Pro is a tool created for file restoring

If you accidentally deleted your files or they are encrypted you need to try to restore them using Data Recovery Pro

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Gw3w ransomware;
  • Restore them.

Windows Previous Versions feature is a good choice for individual file recovery

If System Restore feature was enabled prior Gw3w ransomware attack you can recover your individual files using Windows Previous Versions feature

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

Restore your files using ShadowExplorer

If this ransomware that got your files encrypted did not delete Shadow Volume copies you can recover your files using ShadowExplorer

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Gw3w decryptor is not released yet

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Gw3w and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References