NoBit is categorized as threatening software known as ransomware. Its primary function involves encrypting data on a victim's computer and subsequently demanding a ransom to be paid in exchange for providing the decryption key.
In the case of an infection by the NoBit Ransomware, the files present on the compromised system are subjected to encryption, and their original filenames are altered by adding a '.bit' extension. For instance, a file named '1.jpg' would be transformed into '1.jpg.bit,' while '2.png' would become '2.png.bit,' and so forth for each of the targeted files.
Once the encryption process is complete, the NoBit Ransomware takes steps to deliver a ransom note containing the demands of the attackers. This includes modifying the desktop wallpaper and presenting a ransom note through a pop-up window. The altered wallpaper serves as a visual indication that the system has been compromised. At the same time, the ransom note provides instructions on how to make the payment to the attackers in order to obtain the decryption key necessary to regain access to the encrypted files.
The NoBit Ransomware Extorts Victims by Taking Their Files Hostage
The NoBit Ransomware employs a distinctive wallpaper as part of its strategy, explicitly indicating that the victim's files have undergone encryption. This information is reinforced through a detailed message presented in a pop-up window, which provides victims with instructions on how to initiate the payment process. To prevent causing any irreversible data loss, victims are expressly cautioned against tampering with the encrypted files or attempting decryption through third-party tools.
The ransom note directs victims to establish contact with the cybercriminals. The message also contains the unique key assigned to the victim. It also states that a single file, which should be less than 1 megabyte in size, can be sent to the attackers to serve as a test case for decryption verification. As for the demanded ransom, the threat actors offer two payment options: either 400 USD in Bitcoin cryptocurrency or 350 USD in Monero cryptocurrency. Subsequent to the completion of the ransom payment, the victim is promised the vital decryption key that will supposedly enable the restoration of their encrypted files. Regretfully, decryption without the intervention of cybercriminals is generally impossible unless there are serious flaws within the ransomware threat itself.
It should be noted that in many cases, victims are left without the necessary decryption tools even if they meet the ransom demands. The ransom payment, therefore, comes with significant risk, as there is no assurance of successful data restoration, and fulfilling the criminals' monetary requirements inadvertently supports their illicit activities.
To prevent the NoBit Ransomware from causing any further encryptions, its presence must be completely eradicated from the compromised operating system. However, it's crucial to understand that the removal of the ransomware will not reverse the damage already inflicted upon the affected files.
Implement Effective Security Measures to Protect Your Data and Devices
Protecting your data and devices against ransomware threats requires a comprehensive approach that encompasses both preventive measures and proactive responses. Here are some effective security measures to consider:
- Regular Backups: Maintain regular and automated backups of your important data to an offline or cloud storage. This allows you to restore your files in case of a ransomware attack without having to pay the ransom.
- Security Software: Install reputable anti-malware software on your devices. Ensure that they are regularly updated to detect and block known ransomware threats.
- Software Updates: Keep your operating system, applications, and software up to date with the latest security patches. Ransomware often exploits vulnerabilities in outdated software.
- Email Vigilance: Be cautious when opening email attachments or clicking on links, especially from unknown senders. Ransomware often spreads through phishing emails.
- User Education: Train yourself and your employees (if applicable) to recognize phishing emails, suspicious links, and potentially harmful downloads. Awareness is key to preventing ransomware attacks.
- Remote Desktop Protocol (RDP) Protection: If not needed, disable RDP. If needed, secure it with strong passwords and two-factor authentication.
- Multi-Factor Authentication (MFA): Enable MFA wherever possible to add an extra layer of security to your accounts and devices.
Remember that no security measure is foolproof, so it's essential to implement a layered defense approach. Stay vigilant, stay informed about the latest threats, and adapt your security strategy accordingly.
The full text of the ransom note generated by NoBit Ransomware is:
We are sorry for inconvenience but all of your files have been encrypted with advanced encryption system!
Do not hesitate to change file type, edit the file content or decrypt without key we provided to you. This will ruin your files and you will lose all of your data! Do not try to decrypt using third party software, it may cause permanent data loss.
There is only one way to get your files back:
Contrct with us
Send us 1 any encrypted your file and you personal key
We will decrypt 1 file for test (maximum file size - 1 MB), its guarantee what we can decrypt your files
Pay the ransom, which is $400(via bitcoin) or $350(via monero).
After your payment is completed, please click to the "Decrypt…" button in order to decrypt and get your files back with the key we provided to you.
We accept Bitcoin and Monero
You need contact us through any of the contacts below :
Wire - @vetobit
Tox - D6692256C925AEDE299D759AF4612F03CEB607036A1AD88ABFCAAF0E1581F61133AC0D24A258
Jabber with OTR - firstname.lastname@example.org
Messangers Installation links :
Wire - hxxps://wire.com/en/download/
Tox - hxxps://tox.chat/download.html
Jabber with OTR - hxxps://otr.im/clients.html (you need install both pidgin and pidgin-otr)
The message delivered to victims as a desktop background is:
ALL YOUR IMPORTANT FILES HAVE BEEN ENCRYPTED!'