GhostLocker Ransomware

GhostLocker is a ransomware threat that has been developed by the GhostSec cybercriminal group. This type of threatening software, categorized as ransomware, is specifically designed to encrypt the data on a victim's computer or network and then demand a ransom fee in exchange for providing the decryption key.

GhostLocker operates by encrypting various files and documents, and it appends their filenames with a '.ghost' extension. This means that once the malware has taken hold of a system, it will rename files by adding '.ghost' to the end of their original names. For example, a file originally named '1.jpg' would be transformed into '1.jpg.ghost,' and the same process would be applied to all affected files, such as '2.png' becoming '2.png.ghost' and so on.

Once the encryption process is successfully carried out, the ransomware deposits a ransom note, which is typically titled 'lmao.html.' It's important to note that the exact filename of the HTML document may vary, as cybercriminals often modify this aspect of their attack to avoid detection.

The GhostLocker Ransomware Renders Victims' File Inaccessible

The message delivered by the GhostLocker Ransomware warns victims that their files have been enciphered using strong cryptographic algorithms, namely RSA-2048 and AES-12, and additionally, sensitive data has been exfiltrated from their system.

To recover access to their files, the victims are blackmailed into paying a ransom. However, there's a time constraint involved, as the victim is given a 48-hour window to initiate contact with the cybercriminals. If this deadline is missed, the ransom amount will increase, putting more pressure on the victim.

Resisting the demands of these cybercriminals carries serious consequences. If the victim is not willing to comply with their demands, the ransom note forewarns data destruction, which means the permanent loss of the encrypted files.

The warning extends to the victim's actions as well. Renaming the encrypted files or attempting to use third-party recovery tools is discouraged, as such actions may result in irreversible data loss. Seeking assistance from third parties or law enforcement is also discouraged, as it is asserted that doing so will lead to data loss and potential exposure of the stolen content.

Typically, decrypting the files without the involvement of the attackers is an extremely challenging task. Such decryption is only possible in rare cases where the ransomware has significant flaws or vulnerabilities.

It's important to note that even if victims do meet the ransom demands, they often do not receive the promised decryption keys or software. Therefore, paying the ransom is strongly advised against. Not only is data recovery not guaranteed, but it also perpetuates and supports criminal activities.

Protecting Your Data and Devices Against Malware Threats Is Crucial

Protecting your devices from malware threats is crucial in today's digital landscape. Here are six of the best security measures users can take to enhance their device security:

• Install Anti-Malware Software: Invest in a reputable anti-malware software, and keep it updated. These programs help identify and remove malicious software, offering real-time protection against known threats.
•  Keep Operating Systems and Software Updated: Regularly update your device's operating system, applications, and security software. Manufacturers release updates to patch vulnerabilities that malware can exploit. Enabling automatic updates is a good practice.
•  Exercise Caution with Email and Downloads: Be vigilant if you need to open email attachments or download files from the Internet. Avoid opening any attachments or following links from unknown or suspicious sources. Use a reliable spam filter to minimize phishing emails.
•  Use Strong, Unique Passwords: Your accounts should have strong, complex passwords, and you should avoid using the same password across multiple accounts. Take into consideration the use of a password manager to construct exclusive passwords and store them securely.
•  Enable a Firewall: Ensure your device's firewall is activated. Firewalls help monitor and control incoming and outgoing network traffic, offering an additional layer of defense against malware and cyberattacks.
•  Backup Your Data Regularly: Implement a robust data backup strategy. Regularly back up your important files to an external device or a cloud service. In the event of a malware infection, you can get back your data without paying a ransom.

By following these security measures, users can reduce their risk of falling victim to malware and other cybersecurity threats. It's essential to stay proactive and vigilant in the ever-evolving landscape of digital threats.

The ransom note presented to the victims of the GhostLocker Ransomware reads:

'GhostLocker
We run s**t because we can

ALL YOUR IMPORTANT FILES ARE STOLEN AND ENCRYPTED
YOUR PERSONAL ENCRYPTION ID: - (SAVE THIS)

All your important files have been stolen and encrypted with RSA-2048 and AES-128 military grade ciphers. That means that no matter how much you were to try, the only way to get your files back is working with us and following our demands.

You have 48 hours (2 days) to contact us. If you do not make an effort to contact us within that time-frame, the ransom amount will increase.

If you do not pay the ransom, your files will be destroyed forever.

You can contact us on the following

Attention
DO NOT pay the ransom to anyone else than the top contact information mentioned up there.
DO NOT rename the encrypted files
DO NOT try to decrypt your data using third party software, it may cause permanent data loss
Any involvement of law enforcement/data recovery teams/third party security vendors will lead to permanent loss of data and a public data release immediately'