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<blockquote data-quote="Andy Ful" data-source="post: 836739" data-attributes="member: 32260">By fast signatures, I mean the signatures in the WD Cloud related to BAFS. If your samples are unpacked by Winrar or 7-ZIP, then they are ignored by BASF. So, they are not detected by fast signatures. In this case, only standard signatures in the cloud and behavior-based Machine Learning models are used. It is often hard to see the difference between them, because behavior-based ML models can classify some samples as malicious in milliseconds.If WD detection of .js script on VT is related to BASF, then it will not be detected in the static part of your tests, but rather in dynamic part. In some cases, WD on Windows Home or Pro will not detect such samples (but they can be detected on Windows E5).<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite130" alt="(y)" title="Thumbs up&nbsp; &nbsp; (y)" loading="lazy" data-shortname="(y)" />Edit.There is also a possibility that VT has access to most recent signatures in the WD Cloud. Who knows?</blockquote>

[QUOTE="Andy Ful, post: 836739, member: 32260"] By fast signatures, I mean the signatures in the WD Cloud related to BAFS. If your samples are unpacked by Winrar or 7-ZIP, then they are ignored by BASF. So, they are not detected by fast signatures. In this case, only standard signatures in the cloud and behavior-based Machine Learning models are used. It is often hard to see the difference between them, because behavior-based ML models can classify some samples as malicious in milliseconds. If WD detection of .js script on VT is related to BASF, then it will not be detected in the static part of your tests, but rather in dynamic part. In some cases, WD on Windows Home or Pro will not detect such samples (but they can be detected on Windows E5).(y) Edit. There is also a possibility that VT has access to most recent signatures in the WD Cloud. Who knows? [/QUOTE]

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