Frequency
3
occurrences
First Seen
July 23, 2026
Last Seen
September 1, 2026
Related Threat Clusters
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UAC-0099 Exploits Notepad++ to Distribute Malware in Ukraine
Ukrainian CERT has identified a cyber campaign attributed to the UAC-0099 threat cluster, which targets organizations in Ukraine using the legitimate Notepad++ application to distribute malware. The attackers deliver a…
8 articles · Updated July 23, 2026 -
UAC-0099 Uses GuardBreaker to Manipulate AI Security in Ukraine
Cybersecurity researchers have identified a new technique called GuardBreaker employed by the Russia-aligned group UAC-0099 to manipulate AI-assisted malware analysis. The group embedded a prompt in a malicious VBS…
2 articles · Updated September 1, 2026
Recent Intelligence Reports
- Russia-Aligned UAC — Thehackernews · September 1, 2026
- Notepad++ used in new stealthy attacks targeting Ukraine — Feeds.Feedburner · July 23, 2026
- Hackers abuse Notepad++ plugins to stealthily install malware — Bleepingcomputer · July 23, 2026