Threat Database Ransomware Kmrox Ransomware

Kmrox Ransomware

Researchers have uncovered a significant cybersecurity threat known as the Kmrox Ransomware. This type of threatening software falls under the category of ransomware, which is specifically designed to lock and encrypt data on compromised systems. The hackers then demand a ransom payment from victims in exchange for the decryption key.

The Kmrox Ransomware functions by encrypting files on the targeted system and altering their original filenames. In this process, a distinctive identification (ID) linked to the victim is appended to the filenames, along with an email address ('') associated with the cybercriminals and the '.kmrox' extension. For instance, a file that was initially named '1.jpg' would be transformed into '[NUMBER]. [].kmrox,' and this pattern is applied to the rest of the encrypted files accordingly. Following the encryption process, ransom notes are generated and presented to the victim in two formats: a pop-up window named 'info.hta' and a text file labeled 'info.txt.'

It's crucial to note that the Kmrox Ransomware is identified as a variant within the broader Phobos Ransomware family.

The Kmrox Ransomware Extorts Victims for Money

Kmrox's ransom messages state that the files rendered inaccessible have undergone encryption. According to these messages, the only way to recover the compromised data involves purchasing both the decryption key and the requisite software from the cybercriminals responsible for the attack. It's specified that the ransom payment must be made in Bitcoin cryptocurrency, although the exact amount is not explicitly stated in these messages. Instead, it's implied that the ransom might vary based on how swiftly the victim establishes contact with the attackers.

Additionally, within the messages, the victim is extended an offer for a free decryption test, subject to certain specifications. The notes conclude with explicit cautions against making any modifications to the encrypted data and against seeking assistance from third parties.

The ransom notes strongly underscore the fact that decryption without the involvement of the attackers is an impossibility. Deviations to this rule are extremely rare and usually involve cases where the ransomware itself is fundamentally flawed.

Furthermore, it's important to note that even when victims comply with the ransom demands and make the payment, they frequently do not receive the promised decryption tools. As such, it is highly advised to refrain from succumbing to these demands. Paying the ransom not only fails to guarantee data recovery but also serves to perpetuate and support this unlawful and harmful activity.

Crucial Security Steps against Potential Ransomware Infections

Safeguarding your systems and data against potential ransomware infections requires a comprehensive approach that encompasses multiple security steps. Here are the crucial measures you should take to mitigate the risk of ransomware attacks:

  • Regular Data Backups: Perform regular, automated backups of your critical data to offline or remote locations. This ensures that you have an uncompromised copy of your information that can be restored in case of an attack. Periodically inspect your backups to ensure they are functioning properly.
  •   Update Software and Patches: Keep your operating system, applications, and security software up to date. Regularly apply security updates and patches to address known vulnerabilities that ransomware can exploit.
  •   Security Software Deployment: Install reputable anti-malware and firewall software on all devices. Make sure these tools are updated regularly to detect and prevent the intrusion of malicious software.
  •   Email and Web Security Awareness: Educate yourself and your users about the dangers of phishing emails and unsafe attachments. Be cautious when opening email attachments or interacting with links, especially from unknown or suspicious sources. Implement spam filters and web security solutions to block potentially harmful content.
  •   User Training and Education: Train your employees, family members, or anyone using your devices about safe online practices. Teach them to recognize phishing attempts, suspicious websites, and potential malware threats. Encourage a security-conscious mindset.
  •   Network Security: Secure your network with strong passwords, Wi-Fi encryption, and intrusion detection systems. Restrict approaches to sensitive data and network resources only to those who require them.
  •   Disable Macros: Disable macros in office applications and documents, as these are often used to deliver ransomware payloads.
  •   Multi-Factor Authentication (MFA): Enable MFA wherever possible, particularly for sensitive accounts. This creates a supplemental layer of security by requiring an additional form of verification beyond just a password.

Remember, preventing ransomware is a continuous effort that requires a combination of technology, user awareness, and preparedness. By implementing these security steps, you can significantly reduce the probability of being a victim of ransomware attacks.

The ransom note left to the victims of Kmrox Ransomware is:

'All your files have been encrypted!

At the moment there is no way to decrypt the data, except to request from us a decryptor and a key with which you will recover all your data.
If you want to restore them, write to us by email:
Write this ID in the title of your message -
For quick and convenient feedback, write to the online operator in the Telegram messenger: @exezaz
(Be careful when entering the Telegram account name, it must be exactly the same as above, beware of fake accounts.)
Also, from some mail services, your letter may not reach or get into spam, so to increase the likelihood of receiving a quick response, also duplicate your letters to our spare email addresses: and
Payment for decryption is made in bitcoins. In order to find out the price, write to the above contacts. The sooner you contact us, the lower the price will be. After payment, we will send you a tool that will decrypt all your files.

Free decryption as guarantee
Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)

How to obtain Bitcoins
You can buy Bitcoin in any place convenient for you, a beginner's guide is here:

To get guaranteed help in decrypting your files, please contact only the contacts listed in this note, because at the moment there are many scammers who,
under the pretext that they can decrypt your data, request a free decryption through us and pass it off as a demonstration that they can decrypt your files.
Remember that the key for decrypting files is individual in each individual case, so you will not be able to decrypt your files yourself using third-party software, it will only spoil your files.
If you want to communicate through an intermediary, then check the price with our operator in advance, since intermediaries often wind up the real price. !!! When contacting third parties,
we do not guarantee the decryption of your files!!!
Also, to avoid problems with decryption, do not rename your files.'


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