Complete .kryptonite Virus Removal Guide (Full Instructions)

.kryptonite Virus image

An infection with the dangerous .kryptonite Virus leads to serious security issues. Victims can restore and protect their computers by following our complete removal guide.

Remove .kryptonite Virus and Restore PC
Manual Removal Guide
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Distribution of .kryptonite Virus

The .kryptonite Virus is a new virus which has been sighted in attack campaign. At the moment the security researchers cannot determine the primary infection strategy. We presume that the most widely used tactics are going to be employed.

Among them are the email messages created in an automated way and sent to large lists of potential victims. The .kryptonite Virus can be directly attached to the messages. This is one of the easiest way for the criminals to attempt the infection. However a lot of email hosting providers usually capture the signatures of the virus and as such discard such messages or label them as dangerous or spam. Other infection methods related to this one is the option of inserting hyperlinks in the body content of the messages. The links are usually labelled as leading to a familiar website or a file of user interest. Redirects can redirect to hacker-controlled sites, infected payloads or other instances that can lead to an .kryptonite Virus infection.

The computer criminals behind the malware can create malicious sites or download portals which distribute malware of different kinds, including the .kryptonite Virus. A popular option is the use of infected documents which may be of different types ‒ spreadsheets, rich text documents, presentations and databases. They are modified to initiate the virus once the built-in scripts are run. Usually when the files are opened a notification will ask the users to run the macros (scripts). If this is done the infection follows.

The hacker-controlled sites are specialist portals that have been created either manually or automatically by the criminals behind the .kryptonite Virus. They can either directly distribute the threat by initiating various scripts or automated operations or link to such instances. Redirects are usually caused by email interaction, ad networks or other browsing activity. However one of the main sources is the availability of browser hijackers. They are malicious addons made for the most popular web browsers ‒ Mozilla Firefox, Google Chrome, Internet Explorer, Opera, Microsoft Edge and Safari. Once installed they not only infect the users with the malware, but also redirect the victims to a hacker-controlled site. Depending on the configuration the browser hijackers can also steal sensitive information such as any stored passwords, account credentials, history, bookmarks, form data and settings.

Impact of .kryptonite Virus

Security researchers reveal a new strain of the Hidden Tear ransomware family called the .kryptonite virus. No information is available about its creators — an individual hacker or a criminal collective.

The initial code analysis reveals that the virus is built on the modular framework belonging to the threat and as such allows for future updates. A predefined behavior pattern can include the following actions:

  • Information Gathering — The .kryptonite virus malware engine starts to extract sensitive information about the compromised host. Usually this data includes the following: installed hardware components, available software and the user configuration. Having the exact profile of the machines allow the hackers to gather statistical information about the success of their campaigns. This also gives the hackers the ability to retrieve personal information from web browsers for example. Malware samples like this one are usually made compatible with the most popular ones: Mozilla Firefox, Google Chrome, Internet Explorer, Microsfot Edge, Safari and Opera. Once accessed the operators can retrieve all stored contents including the cookies, bookmarks, history, passwords and account credentials.
  • Network Report — The gathered information can be relayed to the network controllers using a secure network connection. Computer criminals usually employ command and control servers that can also deploy additional threats.
  • Persistent Installation — The .kryptonite virus can institute itself as a persistent threat which automatically prevents manual user removal attempts. Ths is done by modifying registry values, boot options and system settings.
  • Additional Malware Infection — The hackers can use the .kryptonite virus to deploy other viruses to the compromised hosts.
  • Trojan Component — An information stealing module can be installed which can relay the victm’s actions to the hackers and allow remote control of the machine at any given time.

When all prerequisite tasks have complete the ransomware engine is started. It automatically starts to encrypt files with a strong cipher based on a predefined list of target file type extensions. Usually this includes the most popular user data: arhives, backups, documents, music, images and videos. All processed files are renamed with the .kryptonite extension.

The ransomware note is created in a KRYPTON_RANSOMWARE.txt file which reads the following:

All your files have been encrypted by Krypton Ransomware
Please pay 158$ USD in Bitcoin to us and we will decrypt your files.
Not paying after 1 week (168 hours) will result in a loss of all your files.

Some of the captured malware samples were found to institute a lockscreen instance as well. It draws an application frame that prohibits ordinary user interaction until the threat has been completely removed. It reads the following:

What has happend?

Sorry for the inconvenience, but your computer has been infected with KryptonRansom ( All your personal files are encrypted and cannot be used or accessed, you have 168 hours (1 Week) to pay fine $300 to 136JIRCXfW3gNrGQXP481661MhaNi7Nqq, if the time limit (168 Hours) is exceeded then your files will be deleted FOREVER! Restarting the PC wont do aonything, safe mode is useless aswell. Don’t try anything funny, this is a ransomware. If you remove this window your files will be deleted!

What is Bitcoin (BTC)?

We only accept Bitcoin, Bitcoin is a cryptocurrency. Think of it as money you can’t touch. How do I get Bitcoin? There are two major ways to get your hands on bitcoin. The fastest and easiest method is by buying. Links to buy bitcoin will be down below.
The other method is to mine Bitcoin by solving complicated algorithms. We will only give you 1 week (168) so that option is out of range. You wil need to store your bitcoin somewhere.
For that you will need a wallet. Here’s a couple of examples: Electrum, Jaxxm mSIGNA, Blockchain, ArcBit etc.
We ONLY accept bitcoin to ensure our safety and your safety stays at top. You will send the bitcoins to the address above.

More About Bitcoin…
Buy Bitcoins Here!

Remove .kryptonite Virus and Restore PC

WARNING! Manual removal of the .kryptonite Virus requires being familiar with system files and registries. Removing important data accidentally can lead to permanent system damage. If you don’t feel comfortable with manual instructions, download a powerful anti-malware tool that will scan your system for malware and clean it safely for you.

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SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter

.kryptonite Virus – Manual Removal Steps

Start the PC in Safe Mode with Network

This will isolate all files and objects created by the ransomware so they will be removed efficiently. The steps bellow are applicable to all Windows versions.

1. Hit the WIN Key + R

2. A Run window will appear. In it, write msconfig and then press Enter

3. A Configuration box shall appear. In it Choose the tab named Boot

4. Mark Safe Boot option and then go to Network under it to tick it too

5. Apply -> OK

Remove .kryptoniteite from Windows

Here’s a way to remove the program. This method will work regardless if you’re on Windows 10, 8, 7, Vista or XP. Simply selecting the program and pressing delete won’t work, as it’ll leave a lot of small files. That’s bad because these leftovers can linger on and cause all sorts of problems. The best way to delete a program is to uninstall it. Here’s how you can do that:

1. Hold the “Windows” button (It’s between CTRL and Alt on most keyboards) and press “R”. You’ll see a pop-up window.


2. In the textbox, type “appwiz.cpl”, then press“ Enter ”.


3. The “Programs and features” menu should now appear. It’s a list of all the programs installed on the PC. Here you can find the program, select it, and press “Uninstall“.


Remove .kryptoniteite Virus From Your Browser

Before resetting your browser’s settings, you should know that this action will wipe out all your recorded usernames, passwords, and other types of data. Make sure to save them in some way.

Removal guide for Mozilla Firefox Removal guide for Google Chrome Removal guide for Internet Explorer

    1. Start Mozilla Firefox. In the upper right corner, click on the Open menu icon and select “Add-ons“.

    2. Inside the Add-ons Manager select “Extensions“. Search the list of extensions for suspicious entries. If you find any, select them and click “Remove“.

    3. Click again on the Open menu icon, then click “Options“.

    4. In the Options window, under “General” tab, click “Restore to Default“.

    5. Select “Search” in the left menu, mark the unknown search engine and press “Remove”.

    1. Start Google Chrome. On the upper-right corner, there a “Customize and Control” menu icon. Click on it, then click on “Settings“.


    2. Click “Extensions” in the left menu. Then click on the trash bin icon to remove the suspicious extension.

    3. Again in the left menu, under Chrome, Click on “Settings“. Go under “On Startup” and set a new page.

    4. Afterward, scroll down to “Search“, click on “Manage search engines“.

    5. In the default search settings list, find the unknown search engine and click on “X“. Then select your search engine of choice and click “Make default“. When you are ready click “Done” button in the right bottom corner.

1. Start Internet Explorer. Go to the “Tools” menu and click on “Manage add-ons“.

2. In the “Manage add-ons” window, bellow “Add-on Types“, select “Toolbars and Extensions“. If you see a suspicious toolbar, select it and click “Remove“.

3. Then again in the “Manage Add-ons” window, in “Add-on Types“, Select “Search Providers“. Chose a search engine and click “Set as default“. Select the unknown search engine and click “Remove and Close”.

4. Open the Tools menu, select “Internet Options”.

5. In the “General” tab, in “Home page”, enter your preferred page. Click “Apply” and “OK”.

Repair Windows Registry

1. Again type simultaneously the WIN Key + R key combination

2. In the box, write regedit and hit Enter

3. Type the CTRL+ F and then write the malicious name in the search type field to locate the malicious executable

4. In case you have discovered registry keys and values related to the name, you should delete them, but be careful not to delete legitimate keys

Click for more information about Windows Registry and further repair help

Preventive Security Measures

  • Enable and properly configure your Firewall.
  • Install and maintain reliable anti-malware software.
  • Secure your web browser.
  • Check regularly for available software updates and apply them.
  • Disable macros in Office documents.
  • Use strong passwords.
  • Don’t open attachments or click on links unless you’re certain they’re safe.
  • Backup regularly your data.
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    Author : Martin Beltov

    Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.

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