diff --git a/mobile/src/screens/PlayerScreen.tsx b/mobile/src/screens/PlayerScreen.tsx
index d87b251..2355b6e 100644
--- a/mobile/src/screens/PlayerScreen.tsx
+++ b/mobile/src/screens/PlayerScreen.tsx
@@ -688,6 +688,11 @@ const INJECTED_JS = `
     // Popunder networks często widywane na DoodStream-rebranding hostach
     'ib.hoirms.com','traffichaus.com','plugrush.com','clickadu.com',
     'redirectvoluum.com','clickaine.com','hilltopads.net','popshq.com',
+    // VIDEO-ad CDN/VAST preroll (mp4) — KVS hosty (yespornvip/pornditt) wstrzykują
+    // preroll który scrape inaczej łapie zamiast contentu. 2026-06-01.
+    'trafostatic.com','bkcdn.net','gripi.online','dipi.online','tsyndicate.com',
+    'marzaent.com','yomeno.xyz','cdn-fc.com','tapioni.com','fh-wgt.com',
+    'xlivrdr.com','dynspt.com','svtrck.site','urlhaus.com',
   ];
   const isAdHost = function(url) {
     if (!url) return false;
@@ -915,6 +920,7 @@ const INJECTED_JS = `
     if (!VIDEO_RE.test(url)) return;
     if (INTERMEDIATE_RE.test(url)) return;  // KVS get_file — niegrywalny standalone
     if (PREVIEW_RE.test(url)) return;        // scrubber preview / heatmap clip
+    if (isAdHost(url)) return;               // VAST preroll mp4 (trafostatic/bkcdn/...) — NIE content
     seen.add(url);
     try {
       window.ReactNativeWebView.postMessage(JSON.stringify({type: 'video_url', url: url}));