Zyka ransomware virus. How to remove? (Uninstall guide)

removal by Linas Kiguolis - - | Type: Ransomware
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Something new in the ransomware world – Zyka virus

Zyka ransomware virus is a new file-encrypting virus that targets the most popular computer users’ files. This new ransomware may be lurking on every dark and shady corner of the Internet. Hence, if you don’t be careful, it may sneak inside your computer and cause lots of damage. After infiltration, malware scans computer’s system looking for the targeted files. It is designed to encrypt videos, pictures, documents, databases, backups, configuration files, and others: .7z, .bmp, .doc, .docm, .docx, .html, .jpeg, .jpg, .mp3, .mp4, .pdf, .php, .ppt, .pptx, .rar, .rtf, .sql, .tiff, .txt, .xls, .xlsx, .zip. Zyka virus uses AES[1] algorithm and encrypts victims’ files with a unique public key[2] and appends .locked file extension to each encrypted file. Meanwhile, data decryption requires having a private key which is safely placed on the secret hackers’ servers. Of course, they will gladly offer to purchase this key; however, this trade may not be favorable for the victims. When dealing with ransomware[3], we always recommend sacrificing the files and eliminating the virus. Some alternative data recovery methods and tools may help to restore some of the corrupted files for free. Though, this virus seems to delete Shadow Volume Copies of the targeted files by utilizing the command →vssadmin.exe delete shadows /all /Quiet. For this reason, data recovery may be complicated, but we believe it’s better to risk your files than your money. After Zyka removal, try our suggested data recovery options below.

When all targeted files are successfully encrypted, ransomware leaves a ransom note written in English. The background includes a picture of Guy Fawkes’ mask[4], which we have seen in many other ransom notes. The content of the message is also similar to other ransomware requirements. After explaining why victims cannot access their files, creators of Zyka ransomware informs that they have to pay 170 USD or 170 EUR within 72 hours for the private decryption key. Hackers demand to transfer the ransom in Bitcoins and promises that as soon as the transaction is made, people can automatically decrypt their files. For those computer users who does not have data backups, it may seem like the only option to rescue their memories, audio collection or important documents. However, you should estimate whether your files are actually worth taking the risk and transferring almost 200 dollars. Bear in mind that cyber criminals may not provide you the key but they use your money for developing other illegal projects. If you do not willing to be a sponsor for the cyber crimes, remove Zyka from the PC with the help of Reimage.

What channels are used for the distribution of the ransomware?

Apart from classic dissemination methods – malicious spam email attachments and malvertising[5] – authors of the Zyka ransomware also use social media and file-sharing networks for the distribution. The payload file may be hidden in the bogus software or updates as well. Therefore, you should be extremely careful when surfing the Web. Always chose reliable sources for new software installation and install them using Advanced/Custom setup only. Do not rely on ads and pop-ups warning about poor computer’s performance or necessity to update particular programs. Ads like these often include malware. Zyka malware may also be included in the safely-looking Word, PDF or ZIP archive sent via email. Hence, before opening any email attachment, make sure you can trust the sender.

Getting rid of Zyka virus

Zyka removal requires scanning the computer with professional malware removal software such as Reimage, Malwarebytes Anti Malware or Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus. Of course, you can rely on any other reputable program, but make sure you use a powerful and updated tool. Sometimes ransomware-type viruses prevent victims from automatic elimination. So, in order to scan the system, you may need to reboot your PC to the Safe Mode with Networking, and then run your chosen security tool. Don’t forget that it’s not enough to remove Zyka to recover your files. Our suggestions for data recovery are presented below.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Zyka ransomware virus. 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.

More information about this program can be found in Reimage review.

More information about this program can be found in Reimage review.

Manual Zyka virus Removal Guide:

Remove Zyka using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

Manual ransomware removal is a complicated task, and we do not recommend to perform it. If you cannot access malware removal tools, reboot your PC to the Safe Mode with Networking and try to install, update and run your chosen tool.

  • 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 Zyka

    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 Zyka removal.

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

Remove Zyka using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

If nothing has worked and you still cannot scan computer’s system with malware removal tool, follow the instructions and try again.

  • 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 Zyka. 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 Zyka removal is performed successfully.

Bonus: Recover your data

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

We want to remind that paying the ransom may not be an effective way to get back your files. If you do not have data backups, please try additional data recovery methods. They may not be 100% effective, but hopefully, you will get back at least some of your files.

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

Data Recovery Pro may help to restore encrypted files by Zyka virus

It’s a professional tool that is created to restore corrupted, accidentally deleted, and encrypted files. Therefore, it may help you as well:

Windows Previous Versions feature

If you have enabled System Restore function before Zyka malware attack, you did yourself a favor. Follow these steps to retrieve individual files:

  • 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”.

ShadowExplorer

Zyka ransomware is supposed to delete Shadow Volume Copies of the targeted files; however, it may have failed. If shadow copies are left on your PC, ShadowExplorer may help you to restore some of the files:

  • 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.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Zyka and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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References


  • Henric

    Probably, I learnt my lesson.. Do not use torrents…

  • Janu

    luckily i have some backups… dont know what i would do without them. its time to remove this malware from the pc!

  • king

    another nasty ransomware.. it seems that new ones show up every single day