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

removal by Gabriel E. Hall - - | Type: Ransomware
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KillSwitch ransomware has no killswitch and is in development mode at the moment

KillSwitch virus is a hazardous ransomware created by someone who was probably inspired by the methods used by WannaCry ransomware. The authors of the ransomware named the executive file as CryptoKill.exe, probably to confuse the victims and make them search for information about CryptoKill virus online. The ransomware appears to be in development mode at the moment, meaning that the author of it is still testing and modifying this virus. At the moment, the virus only targets %USERPROFILE%\Documents\test\ folder (to encrypt files stored on it); however, this function can be easily changed to start encrypting all system folders. The virus is set to add .switch extensions to corrupted files. Once the virus finishes the encryption task, it then launches a red message that says:

Attention!
Your files has been encrypted by KillSwitch
KillSwitch is a new kind of cryptography malware, unlike the most of other ones utilizing encryption like ransomware…
All of your files are encrypted with AES-256 ciphers. Unlocking of your files is not possible because KillSwitch generates unique one-way encryption keys without keys used to decrypt.
Your only option would be to attempt to break the encryption, but this is very hard since AES246 is a strong cipher algorithm.

KillSwitch ransomware virus

To begin with, statements provided in this message are utter nonsense and can only scare an inexperienced computer user. The described virus is a typical ransomware just like the others, just way less sophisticated. The ransomware was developed by an amateur programmer, and while at the moment it is not distributed on a global scale, you should take all possible ransomware prevention methods because in case your computer gets hit with more advanced ransomware such as Cerber[1], it won’t be possible to restore your files. If your files were corrupted by an updated variant of the described malware, remove KillSwitch ransomware using Reimage or Malwarebytes Anti Malware software and use data backup to restore encrypted files.

Distribution of file-encrypting viruses

Ransomware viruses are mostly distributed via malicious spam, infected ad networks or RDP[2]. Using an up-to-date anti-malware can prevent attackers from corrupting your files; however, it is important to be aware of ransomware and its distribution methods so that you could deflect malicious attempts to infect your system. We suggest you stay away from questionable messages that fall into your Inbox or Spam folder. Even if the email looks like its sent from a trustworthy person, do not open its attachments or links added to the message until you inspect sender’s email and realize that it is a real/trustworthy one. Remember that no legitimate companies allow their employees send emails from personal emails. On top of that, avoid visiting suspicious websites, especially those that provide adult/gambling content or illegal software download links.

Remove KillSwitch ransomware with ease

You can easily remove KillSwitch virus with the help of anti-malware software. However, to launch it, you will need to run your computer in Safe Mode with Networking. We have provided an easy-to-follow removal tutorial for those who have never tried to reboot PC in the aforementioned mode or never had a confrontation with malware. We do not recommend you to try to complete KillSwitch removal manually because ransomware is not a typical program and it can be very hard to remove all of its components at the same time.

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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 KillSwitch 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 KillSwitch virus Removal Guide:

Remove KillSwitch 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.

Kill the ransomware virus using these instructions. Firstly, reboot the PC into the proper mode and then delete the virus using a powerful anti-malware 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 KillSwitch

    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 KillSwitch removal.

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

Remove KillSwitch using System Restore

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

  • 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 KillSwitch. 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 KillSwitch removal is performed successfully.

Bonus: Recover your data

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

If your files were corrupted by Kill Switch ransomware, use a data backup to recover your files. However, if you do not have a backup, you can try to restore files using one of the provided techniques.

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

Restore files with Data Recovery Pro

Let Data Recovery Pro scan your computer to detect encrypted files and try to restore them.

Find Volume Shadow Copies

You can try to recover files using Volume Shadow Copies (in case the virus did not delete it). ShadowExplorer can find these copies and use them to restore your 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 KillSwitch and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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