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ValleyRAT masquerading as adware

medsecurelistPublished 2026-08-31

<p><img alt="" class="attachment-securelist-huge-promo size-securelist-huge-promo wp-post-image" height="400" src="https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2026/08/28184605/SL-valleyRAT-abuses-adware-featured-scaled-1-990x400.jpg" width="990" /></p><p>Attackers typically try to pass off malware as legitimate applications or as potentially unwanted programs that users delib

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://securelist.com/valleyrat-backdoor-adware/121175/