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Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in UAC-0099 Attacks
The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new campaign that involves the use of a malicious program that's dressed up as a Notepad++ plugin to compromise Windows systems. The activity has been attributed by the agency to a threat cluster it tracks...
24/07/2026 08:50 publishedHN external sourceEN reading language
Translated VulnHunters briefingThe Hacker News
The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new campaign that involves the use of a malicious program that's dressed up as a Notepad++ plugin to compromise Windows systems. The activity has been attributed by the agency to a threat cluster it tracks as UAC-0099, a Russia-aligned group that has previously observed weaponizing security flaws in WinRAR software to
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