diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/AntiDebugger.cs b/de4dot.code/deobfuscators/CryptoObfuscator/AntiDebugger.cs
index 1f9cf645..1704aa20 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/AntiDebugger.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/AntiDebugger.cs
@@ -65,7 +65,9 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 				if (!containsString(method, "debugger is activ") &&
 					!containsString(method, "debugger is running") &&
 					!containsString(method, "run under a debugger") &&
-					!containsString(method, "Debugger detected"))
+					!containsString(method, "run under debugger") &&
+					!containsString(method, "Debugger detected") &&
+					!containsString(method, "Debugger was detected"))
 					continue;
 
 				antiDebuggerType = type;
diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/ConstantsDecrypter.cs b/de4dot.code/deobfuscators/CryptoObfuscator/ConstantsDecrypter.cs
index 1fa6749b..2240e431 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/ConstantsDecrypter.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/ConstantsDecrypter.cs
@@ -82,7 +82,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 		bool checkType(TypeDefinition type) {
 			if (type.Methods.Count != 7)
 				return false;
-			if (type.Fields.Count != 1)
+			if (type.Fields.Count < 1 || type.Fields.Count > 2)
 				return false;
 			if (!new FieldTypes(type).all(requiredTypes))
 				return false;
diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/ProxyCallFixer.cs b/de4dot.code/deobfuscators/CryptoObfuscator/ProxyCallFixer.cs
index 9fb4f2cb..52288048 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/ProxyCallFixer.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/ProxyCallFixer.cs
@@ -110,7 +110,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 		MethodDefinition getProxyCreateMethod(TypeDefinition type) {
 			if (DotNetUtils.findFieldType(type, "System.ModuleHandle", true) == null)
 				return null;
-			if (type.Fields.Count < 1 || type.Fields.Count > 8)
+			if (type.Fields.Count < 1 || type.Fields.Count > 10)
 				return null;
 
 			MethodDefinition createMethod = null;
diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs b/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
index 32bada9f..0e84de0d 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
@@ -304,8 +304,12 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 					return method;
 				if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.Byte,System.IO.Stream)"))
 					return method;
+				if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.SByte,System.IO.Stream)"))
+					return method;
 				if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.Byte,System.IO.Stream,System.Int32)"))
 					return method;
+				if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.SByte,System.IO.Stream,System.UInt32)"))
+					return method;
 			}
 			return null;
 		}
diff --git a/de4dot.code/deobfuscators/CryptoObfuscator/TamperDetection.cs b/de4dot.code/deobfuscators/CryptoObfuscator/TamperDetection.cs
index 67dde72a..e2512da4 100644
--- a/de4dot.code/deobfuscators/CryptoObfuscator/TamperDetection.cs
+++ b/de4dot.code/deobfuscators/CryptoObfuscator/TamperDetection.cs
@@ -84,7 +84,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
 
 			if (!method.IsStatic || !DotNetUtils.isMethod(method, "System.Void", "()"))
 				return false;
-			if (type.Methods.Count < 3 || type.Methods.Count > 10)
+			if (type.Methods.Count < 3 || type.Methods.Count > 12)
 				return false;
 			if (DotNetUtils.getPInvokeMethod(type, "mscoree", "StrongNameSignatureVerificationEx") != null) {
 			}