OCEANS Ransomware
During their investigation of the OCEANS malware, cybersecurity researchers discovered it functions as ransomware. When a computer is infected, OCEANS encrypts the files on the machine and modifies their filenames by appending four random characters. For instance, a file named '1.doc' might be renamed to '1.doc.9jiw,' and '2.pdf' could become '2.pdf.2d8r.'
Additionally, the OCEANS Ransomware alters the desktop wallpaper and delivers a ransom note as a text file named 'OPEN_THIS.txt.' The researchers also found that OCEANS is derived from the Chaos Ransomware family, indicating a sophisticated and potentially more damaging variant of this type of malware.
The OCEANS Ransomware Locks Victims Out from Accessing Their Own Data
The ransom note generated by the OCEANS Ransomware informs the victim that their files have been enciphered and can only be recovered by purchasing specialized decryption software for $125,000, payable exclusively in Monero (XMR) cryptocurrency. The note cautions against using third-party software, warning that this could result in permanent data loss.
To receive payment instructions, victims are instructed to email anonymous22109@proton.me. The note also imposes a 48-hour deadline for payment, threatening to leak the company's data if the ransom is not paid within this timeframe.
Files encrypted by ransomware are typically inaccessible without the decryption tool provided by the cybercriminals responsible for the attack. However, paying the ransom is strongly discouraged, as there is absolutely no guarantee that the attackers will provide the promised decryption tool upon payment. Moreover, it is essential to immediately remove the ransomware from infected computers to prevent further encryption of files on other devices within the same network or additional encryptions on already compromised systems.
Set Up Effective Security Measures to Safeguard Your Data and Devices against Malware Threats
Having robust security measures is essential to safeguard your data and devices against malware threats. Here are some comprehensive strategies to enhance your cybersecurity:
- Use Comprehensive Anti-malware Software
- Install reputable anti-malware software that provides real-time protection. Ensure it is regularly updated to recognize the latest threats.
- Enable Firewalls
- Use both hardware and software firewalls to create a blockade between your device and any potential attackers. Ensure that your operating system's built-in firewall is activated.
- Regular Software Updates
- Keep your operating system, applications, and all software up to date by installing the latest patches and updates. This helps close security vulnerabilities that malware can exploit.
- Implement Strong Passwords
- Use strong, unique passwords for all your accounts. Consider the benefit of a password manager to help with generating and storing them securely. Enable multi-factor authentication (MFA) where possible for an additional layer of security.
- Backup Your Data
- Back up essential data to an external hard drive or a secure cloud service. Ensure backups are not connected to your network permanently to avoid them being compromised by ransomware.
- Secure Your Network
- Protect your Wi-Fi network by using a strong password and encryption (WPA3 is recommended). Disable WPS and consider using a VPN for secure internet access.
- Control User Access
- Follow the rule of least privilege (PoLP) by providing users only the access rights they need to perform their activities. Use role-based access control (RBAC) to manage permissions.
- Implement Email Security Measures
- Use email filtering products to detect and block unsafe emails and attachments. Train users to recognize phishing attempts and report suspicious emails.
- Secure Mobile Devices
- Apply security measures to mobile devices, such as installing security software, enabling remote wipe capabilities, and enforcing strong passwords or biometric authentication.
- Utilize Application Whitelisting
- Restrict which applications can run on your systems by using application whitelisting. This helps prevent unauthorized and potentially harmful applications from executing.
By implementing these comprehensive security measures, the risk of malware infections can be reducecd and users can protect their data and devices from cyber threats. Regular vigilance and proactive security practices are key to maintaining a secure digital environment.
The full text of the ransom note left by OCEANS Ransomware on infected devices is:
'(HACKED BY OCEANS)
Hello 🙂
All of your files have been encrypted!
Your computer/database has been infected with a ransomware virus.
Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?
You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.
The price for the software is $125,000 USD. Payment can be made in Monero/XMR only.
IMPORTENT
DO NOT TRY TO USE ANY THIRD PARTY SOFTWARE OR ELSE YOUR FILES/DATA MAY BE LOST FOREVER!
To get the Monero/XMR address email: anonymous22109@proton.me
If you don't pay within 48 hours all of your companys data will be leaked.'
