SatanLockV2 ransomware group lists https://klinikdrindrajana.com/ on its leak site

• Ransomware group: SatanLockV2
• Country: Indonesia
• Sector: Healthcare
• Announcement date: July 6, 2025

A data breach claim against Klinik Dr. Indrajana

Klinik Dr. Indrajana, a healthcare institution based in Jakarta, Indonesia, has been listed on the leak site of the SatanLockV2 ransomware group. The group has announced an alleged data breach involving the organization, claiming to have successfully targeted the medical facility's digital infrastructure.

Ransomware groups often utilize leak sites to exert pressure on their victims through a tactic known as double extortion. In these scenarios, attackers not only encrypt an organization's data to disrupt operations but also steal sensitive information, threatening to publish it publicly if a ransom is not paid. This method significantly increases the leverage held by the threat actors, as the threat of public exposure can cause irreparable reputational and legal damage.

Details of the alleged attack

The SatanLockV2 group announced the alleged data breach of Klinik Dr. Indrajana on July 6, 2025. According to the group's claims, they gained unauthorized access to the institution's systems and acquired sensitive documents. To support their claims of a successful intrusion, the group provided a sample file containing the institution's financial and operational records.

The provided sample consists of a screenshot displaying a financial report titled 'Laporan Outstanding Pembayaran'. This document appears to contain sensitive information regarding the facility's administrative and financial operations. While the group has made these claims, specific details regarding the total volume of data stolen or the specific methods used to gain access remain undisclosed by the attackers.

Affected data types

Based on the information provided in the leak site announcement and the sample file, the following types of data are reportedly involved in the breach:

• Patient names
• Registration numbers
• Payment details

No information was provided regarding the total size of the data breach or the specific amount of the ransom demand.

About Klinik Dr. Indrajana

Klinik Dr. Indrajana is a healthcare provider based in Jakarta, Indonesia. The institution offers general medical services and patient care across various specialties, serving the local community in the Jakarta region.

Implications and potential risks

The exposure of this information may lead to significant privacy violations due to the disclosure of sensitive patient information. Given the nature of the institution as a healthcare provider, the leaked data could potentially be utilized by malicious actors for identity theft or targeted phishing attacks. Such attacks often involve using stolen personal details to impersonate individuals or to gain further access to other sensitive accounts.

Furthermore, the institution may face legal repercussions under Indonesian data protection regulations following the disclosure of such information. The secondary risks associated with this incident include potential reputational damage and a loss of trust from patients and stakeholders resulting from the disclosure of medical and financial records.

For organizations operating within the healthcare sector, such incidents highlight the critical importance of robust cybersecurity frameworks. Common defensive steps for organizations include implementing multi-factor authentication, maintaining rigorous patch management schedules, and conducting regular security awareness training for staff. Additionally, encrypting sensitive data at rest and in transit can help mitigate the impact of a breach if unauthorized access occurs. As seen in this case, information regarding the SatanLockV2 group remains limited, and their specific methods have not been fully analyzed by security researchers.