The Krize virus falls within the ransomware type of malicious agent. Ransomware of this type encrypts all userâs data on the computer (photos, documents, excel tables, audio files, videos, etc) and adds its specific extension to every file, leaving the leia_me.txt files in every folder containing encrypted files.
What is Krize virus?
Krize will add its specific .krize extension to the title of each encrypted file. For example, an image entitled âphoto.jpgâ will be altered to âphoto.jpg.krizeâ. In the same manner, the Excel file named âtable.xlsxâ will become âtable.xlsx.krizeâ, and so on.
In each folder that contains the encrypted files, a leia_me.txt text document will be created. It is a ransom money memo. Therein you can find information about the ways of contacting the racketeers and some other remarks. The ransom note usually contains instructions on how to purchase the decryption tool from the tamperers. You can get this decoding tool after contacting [email protected] by email. That is pretty much the scheme of the crime.
Krize Overview:
| Name | Krize Virus |
| Extension | .krize |
| Ransomware note | leia_me.txt |
| Contact | [email protected] |
| Detection | VirTool:MSIL/Meagre.A!MTB, Win32/TrojanDownloader.Agent.CHC, MSIL/Kryptik.AJEF |
| Symptoms | Your files (photos, videos, documents) get a .krize extension and you canât open them. |
| Fix Tool | See If Your System Has Been Affected by Krize virus |
The leia_me.txt document coming in package with the Krize ransomware states the following:
Todos os arquivos e dados do seu dispositivo foram roubados e criptografados por KRIZE! --------------------------------------- >> Aviso: Ă© impossĂvel descriptografar e recuperar seus dados apĂłs terem sido sequestrados por nosso Ransomware. A Ășnica forma de recuperar seus dados, Ă© atravĂ©s da nossa chave de descriptografia. Para adquiri-la, entre em contato atravĂ©s de um dos canais abaixo: Contato via e-mail: [email protected] ou Fale conosco em TEMPO REAL pelo Richochet CHAT: Baixe o Richocet: hxxps://www.ricochetrefresh.net Nosso ID: ricochet:2xsddstwqapvn6vyyoeo3pbfcubrphu3udasvmsralazvbsssvvlhryd --------------------------------------- Entre em contato conosco em atĂ© 72 horas para evitar a destruição completa de seus dados e o fim da sua privacidade. --------------------------------------- >> Coopere conosco e evite que seus dados sejam destruĂdos de forma irreversĂvel. >> Aviso: Tentar recuperar de forma autĂŽnoma ou deletar qualquer arquivo, acabarĂĄ prejudicando o processo de descriptografia. >> Aviso: NĂŁo cooperar conosco irĂĄ resultar em mais ataques direcionados a vocĂȘ, alĂ©m da exposição de todos os seus arquivos particulares. >> Aviso: O envolvimento de qualquer autoridade judicial resultarĂĄ na exposição de todos os seus arquivos na internet. --------------------------------------- >> Informe seu ID de atendimento em nosso chat: - --------------------------------------- Assunto gerais: [email protected] -------------------------------------- - - KRIZE E. GROUP - - VocĂȘ faz parte da trama, e nĂŁo da tragĂ©dia do viver.
In the screenshot below, you can see what a directory with files encrypted by the Krize looks like. Each filename has the â.krizeâ extension appended to it.
How did Krize ransomware end up on my PC?
There are many possible ways of ransomware infiltration.
There are currently three most exploited ways for tamperers to have the Krize virus working in your digital environment. These are email spam, Trojan injection and peer networks.
Another thing the hackers might try is a Trojan virus scheme. A Trojan is a program that gets into your computer disguised as something else. For example, you download an installer for some program you need or an update for some software. But what is unboxed reveals itself a harmful program that encodes your data. Since the update package can have any name and any icon, youâd better be sure that you can trust the source of the stuff youâre downloading. The optimal thing is to use the software developersâ official websites.
As for the peer-to-peer file transfer protocols like torrents or eMule, the danger is that they are even more trust-based than the rest of the Internet. You can never know what you download until you get it. So youâd better be using trustworthy resources. Also, it is a good idea to scan the folder containing the downloaded files with the antivirus as soon as the downloading is complete.
How do I get rid of ransomware?
It is important to inform you that besides encrypting your files, the Krize virus will most likely install Vidar Stealer on your machine to seize your credentials to different accounts (including cryptocurrency wallets). That spyware can extract your logins and passwords from your browserâs auto-filling cardfile.
How to avoid ransomware infiltration?
Krize ransomware doesnât have a superpower, so as any similar malware.
You can defend yourself from ransomware infiltration in several easy steps:
- Ignore any letters from unknown mailboxes with unknown addresses, or with content that has likely no connection to something you are expecting (how can you win in a money prize draw without participating in it?). In case the email subject is more or less something you are expecting, scrutinize all elements of the suspicious email with caution. A hoax email will always have mistakes.
- Do not use cracked or unknown programs. Trojans are often distributed as an element of cracked software, most likely as a âpatchâ preventing the license check. Understandably, potentially dangerous programs are very hard to tell from trustworthy software, because trojans sometimes have the functionality you need. Try to find information about this software product on the anti-malware message boards, but the best solution is not to use such software.
FAQ
đ€ How can I open â.krizeâ files?Are the â.krizeâ files accessible?
Thereâs no way to do it, unless the files â.krizeâ files are decrypted.
đ€ I really need to decrypt those â.krizeâ files ASAP. How can I do that?
Itâs good if you have fаr-sightedly saved copies of these important files elsewhere. Otherwise, you might try to employ System Restore. The only question is whether you have saved any Restore Points that would be helpful now. All other solutions require time.
đ€ What actions should I take if the Krize virus has blocked my PC and I canât get the activation key.
đ€ What could help the situation right now?
Many of the encrypted files might still be within your reach
- If you exchanged your important files via email, you could still download them from your online mail server.
- You may have shared photographs or videos with your friends or relatives. Just ask them to send those pictures back to you.
- If you have initially got any of your files from the Web, you can try doing it again.
- Your messengers, social networks pages, and cloud disks might have all those files as well.
- It might be that you still have the needed files on your old computer, a notebook, mobile, external storage, etc.
USEFUL TIP: You can employ file recovery programs1 to get your lost data back since ransomware encrypts the copies of your files, deleting the authentic ones. In the tutorial below, you can learn how to use PhotoRec for such a restoration, but remember: you wonât be able to do it before you eradicate the virus with an antivirus program.
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Brendan SmithReferences
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