diff --git a/Ps3DiscDumper/Dumper.cs b/Ps3DiscDumper/Dumper.cs
index 9ec5e1e..071eac1 100644
--- a/Ps3DiscDumper/Dumper.cs
+++ b/Ps3DiscDumper/Dumper.cs
@@ -298,6 +298,13 @@ public void DetectDisc(string inDir = "", Func<Dumper, string> outputDirFormatte
 
         // todo: maybe use discutils instead to read TOC as one block
         var files = IOEx.GetFilepaths(InputDevicePath, "*", SearchOption.AllDirectories);
+        if (!SettingsProvider.Settings.CopyBdmv)
+        {
+            var prefixList = Settings.BdmvFolders
+                .Select(f => Path.Combine(InputDevicePath, f) + Path.DirectorySeparatorChar)
+                .ToArray();
+            files = files.Where(f => !prefixList.Any(f.StartsWith));
+        }
         DiscFilenames = new();
         var totalFilesize = 0L;
         var rootLength = InputDevicePath.Length;
@@ -518,7 +525,21 @@ public async Task DumpAsync(string output)
                 dumpPath = parent;
         }
         if (filesystemStructure is null)
+        {
             (filesystemStructure, emptyDirStructure) = GetFilesystemStructure();
+            var prefixList = Settings.BdmvFolders.Select(f => f + Path.DirectorySeparatorChar).ToArray();
+            if (!SettingsProvider.Settings.CopyBdmv)
+            {
+                filesystemStructure = filesystemStructure
+                    .Where(r => !Settings.BdmvFolders.Any(f => r.TargetFileName == f) &&
+                                !prefixList.Any(p => r.TargetFileName.StartsWith(p)))
+                    .ToList();
+                emptyDirStructure = emptyDirStructure
+                    .Where(r => !Settings.BdmvFolders.Any(f => r.TargetDirName == f) &&
+                                !prefixList.Any(p => r.TargetDirName.StartsWith(p)))
+                    .ToList();
+            }
+        }
         var validators = GetValidationInfo();
         if (!string.IsNullOrEmpty(dumpPath))
         {
diff --git a/Ps3DiscDumper/Settings.cs b/Ps3DiscDumper/Settings.cs
index 5b42c9d..a580065 100644
--- a/Ps3DiscDumper/Settings.cs
+++ b/Ps3DiscDumper/Settings.cs
@@ -11,8 +11,8 @@ public struct Settings
 {
     public Settings() { }
 
-    [JsonIgnore]
-    public const string DefaultPattern = $"%{Patterns.Title}% [%{Patterns.ProductCode}%]";
+    [JsonIgnore] public const string DefaultPattern = $"%{Patterns.Title}% [%{Patterns.ProductCode}%]";
+    [JsonIgnore] public static readonly string[] BdmvFolders = ["BDMV", "AACS", "CERTIFICATE"]; 
 
     public string OutputDir { get; set; } = ".";
     public string IrdDir { get; set; } = Path.Combine(Environment.GetFolderPath(SpecialFolder.ApplicationData) ,"ps3-iso-dumper", "ird");
diff --git a/UI.Avalonia/ViewModels/MainViewModel.cs b/UI.Avalonia/ViewModels/MainViewModel.cs
index 66552ba..0635299 100644
--- a/UI.Avalonia/ViewModels/MainViewModel.cs
+++ b/UI.Avalonia/ViewModels/MainViewModel.cs
@@ -181,7 +181,10 @@ IOException when e.Message.Contains("cyclic redundancy check")
         else if (Directory.Exists(Path.Combine(dumper.InputDevicePath, "BDMV")))
         {
             StepTitle = "Ready to dump a hybrid disc";
-            StepSubtitle = "All files will be copied, but only PS3 game files will be decrypted";
+            if (CopyBdmv)
+                StepSubtitle = "All files will be copied, but only PS3 game files will be decrypted";
+            else
+                StepSubtitle = "Only PS3 game files will be copied";
             LearnMoreLink = SettingsViewModel.HybridDiscWikiLink;
             LastOperationNotification = true;
         }