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

removal by Olivia Morelli - - | Type: Ransomware

The essential information about KratosCrypt virus

KratosCrypt virus was launched a couple of weeks ago so you should know how to protect yourself against it. If you are new to the cyber security, we must inform you that ransomware viruses are especially dangerous cyber threats. They are programmed to invade the operating system stealthily and encode the private data using exquisite, asymmetric algorithm. Afte the encryption is finished, you cannot access the files. Furthermore, the cyber criminals indicate a sum of money that has to be paid to retrieve this data. Of course, a number of users might pay several bucks to retrieve the information, but there is no need to lose your money. The IT specialist Michael Gillepsie gave hope for the victims by publishing free decryption keys – Hidden Tear Decryptor and Hidden Tear Brute Forcer. Before you decrypt your files, scan your computer with a professional anti-malware utility, such as Reimage and remove KratosCrypt as soon as possible.

An image of the KratosCrypt ransomware ransom note

Like other ransomware of the same kind, the virus causes modifications in the system registry. It leaves HKCU\Software\Microsoft\Windows\CurrentVersion\Run [exe name] registry entry on the system. It enables the virus to restart every time you reboot the computer. Moreover, though the virus might not be regarded as especially dangerous since it demands such small ransom, but it is suspected to remove shadow copies of your files. For example, it might eliminate your back-ups. IT specialists speculate that KratosCrypt might be just an experiment launched by the hackers. Since it was quickly hacked by virus researchers, the cyber criminals might strike again with even more powerful version.

Questions about KratosCrypt ransomware virus

How do you tell if your computer has been attacked by a ransomware virus? Before you find out you are unable to access your files anymore, you might also notice that your computer is performing slower, experiences a variety of system errors. The virus also changes the usual file extensions to .kratos. So if this extension appears on your PC and the files marked by it become inaccessible you are most likely infected and should start thinking about the KratosCrypt removal immediately. The virus may also drop a README_ALL.html file to every virus-affected folder on the computer. This file features a ransom note which encourages the victim to pay a considerably small amount of ransom (only 0.03 BitCoin) in order to receive a personalized file decryption key. As we have already mentioned, it is a complete scam and a waste of money. You should decrypt your files using the already mentioned decryptor and clean your computer from the KratosCrypt malware.

Can I escape the virus?

Even though KratosCrypt ransomware is a considerably dangerous virus, there are ways to avoid it. You can protect your system with a professional antivirus utility and firewall to hold out the initial attacks. But there is no 100% guarantee that the virus will not manage to bypass the automatic layers of protection. Essentially there is only one way to protect your data from being locked – data backups. If you regularly backup your data, store it on external storage drive and unplug the drive from your computer when you are not using it, you should be able to keep your files safe.

KratosCrypt removal steps

If KratosCrypt is the reason you cannot access your files or use your computer regularly anymore, you should eliminate this threat right away. This should be done automatically as the manual KratosCrypt removal may damage your computer rather than fix it. You should only use the reputable and professional anti-malware utilities for the job. Run a full scan of your system with these tools and let them take care of the virus for you. If, for some reason, the antivirus software is unable to remove KratosCrypt and the system scan fails do not worry. There are just a few extra steps you will have to take to decontaminate the virus and help your antivirus initiate the scan. You will find these steps indicated 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.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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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 KratosCrypt virus, follow these steps:

Remove KratosCrypt using 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 KratosCrypt

    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 KratosCrypt removal.

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

Remove KratosCrypt 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 KratosCrypt. 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 KratosCrypt removal is performed successfully.

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

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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