We are happy to announce that we are releasing a free decryption tool for the Mapo (a GarrantyDecrypt/Outsider variant) ransomware today. We would also like to thank Maciej Kotowicz of Kaspersky’s GReAT for sharing his insights on the ransomware’s encryption process. Our tool works with encrypted files …

During last year we have collaborated with Hatching.io on improving the open source Cuckoo Sandbox. The main works were focused on porting advanced mechanisms for memory analysis which were developed internally by our team in the previous years. The public release of the onemon marks the last stage of …

Analysis of current threats is one of the most common challenges facing almost any organization dealing with cybersecurity. From year to year, it also becomes a harder nut to crack, being undoubtedly influenced by the growing scale of activities undertaken by criminals and the degree of their advancement. In the …

We are happy to announce that another system developed by our team, n6 (Network Security Incident eXchange), has been released to the community on an open source licence. n6 is our in-house developed platform for automated gathering, processing and distribution of information on security threats. It acts as a data …

High-level overview CERT Polska collaborates in SISSDEN (Secure Information Sharing Sensor Delivery event Network) project. One of its goals is to create feeds of actionable security information, that will be further processed by relevant entities (like security and academic researchers, CERTs, LEAs etc.). Mtracker is going to be one of …

Mole ransomware is almost month old ransomware (so it’s quite old from our point of view), that was distributed mainly through fake online Word docs. It’s a member of growing CryptoMix family, but encryption algorithm was completely changed (…again). We became interested in this variant after victims contacted …