This report provides statistics on new ransomware samples, attacked systems, and targeted businesses in April 2023, as well as notable ransomware issues in Korea and overseas. Other major issues and statistics for ransomware that are not mentioned in the report can be found by searching for the following keywords or via the Statistics menu at AhnLab Threat Intelligence Platform (ATIP).
Statistics by Type
The number of ransomware samples and targeted systems are based on the detection names designated by AhnLab, and the statistics on targeted businesses are based on the time the information on the ransomware group’s dedicated leak sites (DLS, identical to ransomware PR sites or PR pages) was collected by the ATIP infrastructure.
BabLock (Rorschach) Ransomware
Nokoyawa Ransomware Exploiting the CLFS Zero-day Vulnerability
Kadavro Ransomware, an Interactive Ransom Note
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