diff --git a/platform/mv3/extension/js/filter-lists.js b/platform/mv3/extension/js/filter-lists.js
index a609a7d53..1cb54e78b 100644
--- a/platform/mv3/extension/js/filter-lists.js
+++ b/platform/mv3/extension/js/filter-lists.js
@@ -29,7 +29,7 @@ import { hashFromIterable } from './dashboard.js';
 export const rulesetMap = new Map();
 
 let cachedRulesetData = {};
-let hideUnusedSet = new Set([ 'regions' ]);
+let hideUnusedSet = new Set([ 'ads', 'regions' ]);
 
 /******************************************************************************/
 
@@ -218,6 +218,11 @@ export function renderFilterLists(rulesetData) {
             rulesetDetails.filter(ruleset =>
                 ruleset.group === 'default'
             ),
+        ], [
+            'ads',
+            rulesetDetails.filter(ruleset =>
+                ruleset.group === 'ads'
+            ),
         ], [
             'privacy',
             rulesetDetails.filter(ruleset =>
diff --git a/platform/mv3/extension/js/ruleset-manager.js b/platform/mv3/extension/js/ruleset-manager.js
index 0bcf23fb4..d87133fc9 100644
--- a/platform/mv3/extension/js/ruleset-manager.js
+++ b/platform/mv3/extension/js/ruleset-manager.js
@@ -476,7 +476,7 @@ async function filteringModesToDNR(modes) {
 
 /******************************************************************************/
 
-async function defaultRulesetsFromLanguage() {
+async function defaultRulesetsFromEnv() {
     const dropCountry = lang => {
         const pos = lang.indexOf('-');
         if ( pos === -1 ) { return lang; }
@@ -494,6 +494,10 @@ async function defaultRulesetsFromLanguage() {
         `\\b(${Array.from(langSet).join('|')})\\b`
     );
 
+    const reMobile = /\bMobile\b/.test(navigator.userAgent)
+        ? /\bmobile\b/
+        : null
+
     const rulesetDetails = await getRulesetDetails();
     const out = [];
     for ( const ruleset of rulesetDetails.values() ) {
@@ -502,10 +506,20 @@ async function defaultRulesetsFromLanguage() {
             out.push(id);
             continue;
         }
-        if ( typeof ruleset.lang !== 'string' ) { continue; }
-        if ( reTargetLang.test(ruleset.lang) === false ) { continue; }
-        out.push(id);
+        if ( typeof ruleset.lang === 'string' ) {
+            if ( reTargetLang.test(ruleset.lang) ) {
+                out.push(id);
+                continue;
+            }
+        }
+        if ( typeof ruleset.tags === 'string' ) {
+            if ( reMobile?.test(ruleset.tags) ) {
+                out.push(id);
+                continue;
+            }
+        }
     }
+   
     return out;
 }
 
@@ -518,7 +532,7 @@ async function patchDefaultRulesets() {
         staticRulesetIds,
     ] = await Promise.all([
         localRead('defaultRulesetIds'),
-        defaultRulesetsFromLanguage(),
+        defaultRulesetsFromEnv(),
         getStaticRulesets().then(r => r.map(a => a.id)),
     ]);
     const toAdd = [];
@@ -649,7 +663,6 @@ async function getEnabledRulesetsDetails() {
 /******************************************************************************/
 
 export {
-    defaultRulesetsFromLanguage,
     enableRulesets,
     excludeFromStrictBlock,
     filteringModesToDNR,
diff --git a/platform/mv3/rulesets.json b/platform/mv3/rulesets.json
index 7bcd6d9da..07efaf5f5 100644
--- a/platform/mv3/rulesets.json
+++ b/platform/mv3/rulesets.json
@@ -63,6 +63,17 @@
     ],
     "homeURL": "https://gitlab.com/malware-filter/urlhaus-filter"
   },
+  {
+    "id": "adguard-mobile",
+    "name": "AdGuard – Mobile Ads",
+    "group": "ads",
+    "enabled": false,
+    "tags": "mobile",
+    "urls": [
+      "https://filters.adtidy.org/extension/ublock/filters/11.txt"
+    ],
+    "homeURL": "https://github.com/AdguardTeam/AdguardFilters#adguard-filters"
+  },
   {
     "id": "block-lan",
     "name": "Block Outsider Intrusion into LAN",