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Kaandsona Ransomware Remove and Restore .kencf Files

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This article aims to help you fully delete Kaandsona Ransomware and try to restore the files encrypted by it.

A ransomware virus, known as Kaandsona or RansomTroll ransomware which enciphers the files on the compromised computers appending the .kencf file extension to them. And the ransomware also leaves a brief ransom note where it gives a deadline of 24 hours for the user to pay the ransom of 1 BTC to get the files back. Otherwise, the Kaandsona virus threatens to destroy all chances of paying. In case you have become a victim of the Kaandsona ransomware, recommendations are to eliminate it. Keep reading to learn more about this virus and learn how to remove it and try to get the files back.

Threat Summary

Name

Kaandsona

TypeRansomware
Short DescriptionThe Kaandsona ransomware encrypts files on computers infected by it and makes them no longer able to be opened. In addition to this it demands 1 BTC as a ransom payoff.
SymptomsFiles are encrypted with the .kencf file extension added to them. Ransom note and two executables dropped and many Windows files modified.
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
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User ExperienceJoin our forum to Discuss Kaandsona.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Kaandsona Ransomware – More Information

There are two malicious executable files, related to the Kaandsona virus. One of them has a completely random name and the other is called Kaandsona.exe. These files are believed to be dropped onto the victim’s computer via various distribution tactics.

Kaandsona’s Distribution

Regarding how the Kaandsona virus is spread, there may be more than one possibilities. The primary version is that the virus is replicated via distribution infectors, such as the following file types:

→ .htm, .html, .hta, .js, .vbs, .exe, .tmp, .dll

To infect, those type of files may be concealed with an obfuscator. This obfuscator aims to activate them without a conventional antivirus program raising any alarms. As soon as those files are activated, they may connect to the malicious C2 server of this virus, identified to be 143.22.211.245:80 by malware researchers, believed to be US-based. Then those two executables belonging to Kaandsona RansomTroll may be downloaded onto one of the key Windows folders:

→ %AppData%
%Roaming%
%Local%
%LocalRow%
%Temp%

After the files are created, the virus modifies files in the %WINDIR% directory. The files are reported by hybrid-analysi.com to be the following:

→ “%WINDIR%\Microsoft.NET\Framework\v1.0.3705\clr.dll”
“%WINDIR%\Microsoft.NET\Framework\v1.0.3705\mscorwks.dll”
“%WINDIR%\Microsoft.NET\Framework\v1.1.4322\clr.dll”
“%WINDIR%\Microsoft.NET\Framework\v1.1.4322\mscorwks.dll”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\clr.dll”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll”
“%WINDIR%\Microsoft.NET\Framework\v4.0.30319\clr.dll”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\config\machine.config”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\config\security.config”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config”
“%WINDIR%\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch”
“%WINDIR%\Globalization\Sorting\sortdefault.nls”

Kaandsona Ransomware – Post-Infection Analysis

After infecting the computer, the virus is rather simple in what it does to the files. It appends encryption by replacing bytes of information from those files, enough to render them no longer able to be opened. The encrypted files appear like the following:

The files it looks for to encode are from various types, such as:

  • Microsoft Office Documents.
  • PDF types of files.
  • Text files.
  • Database types of files.
  • Photos.
  • Music.
  • Videos.
  • Image Files.
  • Common files of storage.
  • Archives.

After encryption, the Kaandsona ransomware, leaves a ransom note here it leaves instructions on how to pay the ransom requested:

You have been struck by the holy Kaandsona ransomware
Either you pay 1 BTC in 24 hours or you lose ALL FILES
button ‘Show all encrypted files’
button ‘PAY’

Remove Kaandsona Ransomware and Restore Encrypted Files

To remove this virus completely from your computer, advices are to focus on following the removal instructions which we created below. They are designed so that you can manually look for the files of Kaandsona in a safe environment. However, since this ransomware also makes modifications to key Windows files, advices are to use a particular anti-malware product in order to remove the malware permanently from your computer.

After having removed Kaandsona, it is time to think about what to do with the files. One way to try and restore them is if you try out the methods we have posted about in step “2. Restore files encrypted by Kaandsona” below. They are in no way guaranteed, but they may revert at least some of the files. In the meantime, make sure to check this page regularly, if a decryptor for Kaandsona ransomware is developed by researchers, we will make sure and post it here.

Note! Your computer system may be affected by Kaandsona and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as Kaandsona.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove Kaandsona follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove Kaandsona files and objects
2. Find files created by Kaandsona on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by Kaandsona

Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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