Frequency
3
occurrences
First Seen
July 23, 2026
Last Seen
September 1, 2026
Related Threat Clusters
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UAC-0099 Uses GuardBreaker to Evade AI Malware Detection
Russian-linked hackers from the group UAC-0099 have developed a new technique called GuardBreaker to evade AI-assisted malware analysis. This method involves embedding a nuclear weapon prompt in malicious VBS scripts,…
4 articles · Updated September 1, 2026 -
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
Recent Intelligence Reports
- Russia-linked hackers use reverse jailbreaks to evade AI malware checks — Cybernews · September 1, 2026
- Hackers Weaponize Notepad++ Plugins to Silently Infect Windows Systems — Gbhackers · July 24, 2026
- Hackers abuse Notepad++ plugins to stealthily install malware — Bleepingcomputer · July 23, 2026