Some minor changes.

Author: SychicBoy

NETReactorSlayer.Core/Deobfuscators/BooleanDecrypter.cs

@@ -26,14 +26,14 @@ internal class BooleanDecrypter : IStage
 {
     public void Execute()
     {
-        if (!Find())
-        {
-            Logger.Warn("Couldn't find any encrypted boolean.");
-            return;
-        }
-
         try
         {
+            if (!Find())
+            {
+                Logger.Warn("Couldn't find any encrypted boolean.");
+                return;
+            }
+
             var bytes = _encryptedResource.Decrypt();
 
             var count = InlineAllBooleans(bytes);
@@ -71,6 +71,11 @@ private bool Find()
                 EncryptedResource.IsKnownDecrypter(methodDef, Array.Empty<string>(), true))
             {
                 _encryptedResource = new EncryptedResource(methodDef);
+                if (_encryptedResource.EmbeddedResource == null)
+                {
+                    _encryptedResource.Dispose();
+                    continue;
+                }
                 return true;
             }
 

NETReactorSlayer.Core/Deobfuscators/ControlFlowDeobfuscator.cs

@@ -145,6 +145,12 @@ private void FindFieldsDynamically()
             break;
         }
 
+        if(_fields.All(x=> x.Value == 0))
+        {
+            _fields.Clear();
+            return;
+        }
+
         if (typeDef != null)
             Cleaner.AddTypeToBeRemoved(typeDef);
     }

NETReactorSlayer.Core/Deobfuscators/MethodDecrypter.cs

@@ -29,16 +29,16 @@ internal class MethodDecrypter : IStage
 {
     public void Execute()
     {
-        if (!Find())
+        try
         {
-            Logger.Warn("Couldn't find any encrypted method.");
-            return;
-        }
+            if (!Find())
+            {
+                Logger.Warn("Couldn't find any encrypted method.");
+                return;
+            }
 
-        Context.ObfuscatorInfo.NecroBit = true;
+            Context.ObfuscatorInfo.NecroBit = true;
 
-        try
-        {
             var bytes = _encryptedResource.Decrypt();
 
             if (!RestoreMethodsBody(bytes))
@@ -73,12 +73,17 @@ from call in DotNetUtils.GetMethodCalls(methodDef)
                  where call.MDToken.ToInt32() == method.MDToken.ToInt32()
                  select methodDef)
         {
-            if (!EncryptedResource.IsKnownDecrypter(methodDef, Array.Empty<string>(), true))
-                continue;
+                if (!EncryptedResource.IsKnownDecrypter(methodDef, Array.Empty<string>(), true))
+                    continue;
 
-            _encryptedResource = new EncryptedResource(methodDef);
+                _encryptedResource = new EncryptedResource(methodDef);
+                if (_encryptedResource.EmbeddedResource == null)
+                {
+                    _encryptedResource.Dispose();
+                    continue;
+                }
 
-            return true;
+                return true;
         }
 
         return false;

NETReactorSlayer.Core/Deobfuscators/ProxyCallFixer.cs

@@ -28,14 +28,14 @@ internal class ProxyCallFixer : IStage
 {
     public void Execute()
     {
-        if (!Find())
-        {
-            Logger.Warn("Couldn't find any hidden call.");
-            return;
-        }
-
         try
         {
+            if (!Find())
+            {
+                Logger.Warn("Couldn't find any hidden call.");
+                return;
+            }
+
             var bytes = _encryptedResource.Decrypt();
 
             if (!GetDictionary(bytes))
@@ -81,6 +81,11 @@ where x.Namespace.Equals("") && DotNetUtils.DerivesFromDelegate(x)
             return false;
 
         _encryptedResource = new EncryptedResource(methodDef);
+        if (_encryptedResource.EmbeddedResource == null)
+        {
+            _encryptedResource.Dispose();
+            return false;
+        }
 
         return true;
     }

NETReactorSlayer.Core/Deobfuscators/ResourceResolver.cs

@@ -26,14 +26,14 @@ internal class ResourceResolver : IStage
 {
     public void Execute()
     {
-        if (!Find())
-        {
-            Logger.Warn("Couldn't find any encrypted resource.");
-            return;
-        }
-
         try
         {
+            if (!Find())
+            {
+                Logger.Warn("Couldn't find any encrypted resource.");
+                return;
+            }
+
             DeobUtils.DecryptAndAddResources(Context.Module,
                 () => Decompress(_encryptedResource.Decrypt()));
 
@@ -78,6 +78,12 @@ private bool Find()
                     continue;
 
                 _encryptedResource = new EncryptedResource(decrypterMethod);
+                if (_encryptedResource.EmbeddedResource == null)
+                {
+                    _encryptedResource.Dispose();
+                    continue;
+                }
+
                 _methodToRemove.AddRange(type.Methods);
                 return true;
             }

NETReactorSlayer.Core/Deobfuscators/StringDecrypter.cs

@@ -31,21 +31,23 @@ internal class StringDecrypter : IStage
 {
     public void Execute()
     {
-        if (!Find())
-        {
-            var count = InlineStringsDynamically();
-            if(count > 0)
-                Logger.Done(count + " Strings decrypted.");
-            else
-                Logger.Warn("Couldn't find any encrypted string.");
-            return;
-        }
-
         try
         {
+            long count = 0;
+
+            if (!Find())
+            {
+                count = InlineStringsDynamically();
+                if(count > 0)
+                    Logger.Done(count + " Strings decrypted.");
+                else
+                    Logger.Warn("Couldn't find any encrypted string.");
+                return;
+            }
+
             _decryptedResource = _encryptedResource.Decrypt();
 
-            var count = InlineStringsStatically();
+            count = InlineStringsStatically();
 
             if (count > 0)
             {
@@ -86,6 +88,11 @@ private bool Find()
                     FindKeyIv(method);
 
                     _encryptedResource = new EncryptedResource(method, new[] { "System.String" });
+                    if (_encryptedResource.EmbeddedResource == null)
+                    {
+                        _encryptedResource.Dispose();
+                        continue;
+                    }
 
                     return true;
                 }

NETReactorSlayer.Core/Helper/EncryptedResource.cs

@@ -85,13 +85,13 @@ public static bool IsKnownDecrypter(MethodDef method, IList<string> additionalTy
     private EmbeddedResource GetEncryptedResource()
     {
         if (DecrypterMethod is not { HasBody: true, Body.HasInstructions: true })
-            throw new NullReferenceException();
+            return null;
 
         foreach (var s in DotNetUtils.GetCodeStrings(DecrypterMethod))
             if (DotNetUtils.GetResource(Context.Module, s) is EmbeddedResource resource)
                 return resource;
 
-        throw new NullReferenceException();
+        return null;
     }
 
     private IDecrypter GetDecrypter()