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

removal by Julie Splinters - - | Type: Ransomware
12

Kaandsona ransomware fails to run smoothly, therefore fails to encrypt files as well

A new in-development ransomware dubbed Kaandsona virus has been spotted in January 2017[1]. The virus is also known as Käändsõna ransomware or RansomTroll virus because malware researchers believe it was developed only to troll malware analysts. The word Käändsõna stands for nominals(or declinable word) in Estonian, so virus’ authors might be from this country. This crypto-ransomware appears to be created by a not-so-experienced developer because thanks to bugs in the Kaandsona’s source code the virus crashes[2] before it encrypts anything. The virus is set to scan the entire system for files that have a matching extension (the virus has a list of file types to encode), and during this process, it also adds .kencf file extensions to encrypted data[3]. The virus also creates a document with information on how to restore encrypted files. In the ransom note that the ransomware drops on the system, crooks set out their requirements: they demand 1 BTC in 24 hours, and if the victim refuses/fails to pay up within one day, fraudsters promise to delete victim’s files for good.

Is Kaandsona ransomware developed by an Estonian programmer?

If this virus managed to encrypt your files with ease, it is likely that you won’t be able to access your personal records any longer. Of course, if you have a backup[4], you can use it to restore corrupted data, however, before you do that, make sure you remove Kaandsona malware entirely. For that, you should run a system scan with anti-malware software, for example, Reimage, but you can also use programs like Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware. In case you have never been victimized by a ransomware attack, we suggest you read Kaandsona removal guidelines attentively.

Why did I get infected with this virus?

Kaandsona ransomware strikes via infected emails[5] or fake downloadables available online. Therefore, beware of suspicious content on the Internet. In the majority of cases, computer users get infected with ransomware only because they were unaware of ransomware distribution techniques or simply forgot to follow their common sense while browsing online. If you ever get redirected to a website that is full of download links as well as ads posing as “download” buttons, better quit it. Otherwise, you risk clicking on a wrong link, which will take you onto a vague or even hazardous third-party page. What is more, you should never open suspicious video links that claim to be hiding a compromising video of you. If you are sure that you have never been videotaped in such way, do not click on the link! It is simply a clickbait title to lure you into a malicious website.

How can I remove Kaandsona ransomware virus?

Kaandsona virus must be eliminated successfully if you want to use a safe and virus-free computer ever again. However, this malicious virus could have brought additional malware pieces into the system, so that is why we suggest scanning the entire computer system with anti-malware tools and command them to remove Kaandsona malware entirely. For successful Kaandsona removal, start your PC in a Safe Mode with Networking, then download a recommended malware remover, update it and run a system scan with it. You can find a detailed removal tutorial as well as several data recovery solutions described 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 Kaandsona 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.
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Manual Kaandsona virus Removal Guide:

Remove Kaandsona using Safe Mode with Networking

When computer gets infected with ransomware, it must be cleaned from the infection before any data recovery measures are taken. Therefore, we suggest you follow these easy guidelines and clean your computer from Kaandsona virus first.

  • 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 Kaandsona

    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 Kaandsona removal.

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

Remove Kaandsona using System Restore

  • 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 Kaandsona. 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 Kaandsona removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Kaandsona 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 Kaandsona, you can use several methods to restore them:

Data Recovery Pro

You might succeed to restore your files with a help of Data Recovery Pro. This tool is easy-to-use, so you won’t have any problems using it. Just follow these steps:

Enabled System Restore a while ago?

If so, this method will help you to find Windows Previous Versions and restore encrypted files easily. 

  • 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”.

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

About the author

Julie Splinters - Malware removal specialist

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  • roger

    Received Kaandsona via email… removed it before it managed to encrypt my files.

  • Phillip

    Thanks for the help – rebooted my PC and run anti-malware software, boom, no more kaandsona.

  • snoop

    My antivirus removed this ransomware easily 🙂 Im glad that i have it