diff --git a/tools/fileinfo/detection/installers/install_creator/calc_separ.exe_ b/tools/fileinfo/detection/installers/install_creator/calc_separ.exe_
new file mode 100644
index 00000000..aaa7c5b4
Binary files /dev/null and b/tools/fileinfo/detection/installers/install_creator/calc_separ.exe_ differ
diff --git a/tools/fileinfo/detection/installers/install_creator/free_000001C1.ex b/tools/fileinfo/detection/installers/install_creator/free_000001C1.ex
new file mode 100644
index 00000000..e62b6544
Binary files /dev/null and b/tools/fileinfo/detection/installers/install_creator/free_000001C1.ex differ
diff --git a/tools/fileinfo/detection/installers/install_creator/test.py b/tools/fileinfo/detection/installers/install_creator/test.py
new file mode 100644
index 00000000..e877c077
--- /dev/null
+++ b/tools/fileinfo/detection/installers/install_creator/test.py
@@ -0,0 +1,20 @@
+from regression_tests import *
+
+class Test(Test):
+    settings = TestSettings(
+        tool='fileinfo',
+        input=[
+            'calc_separ.exe_',
+            'free_000001C1.ex'
+        ],
+        args='--json'
+    )
+
+    def test_correctly_analyzes_input_file(self):
+        create_install_recognized = False
+
+        self.assertTrue(self.fileinfo.succeeded)
+        for tool in self.fileinfo.output['tools']:
+            if tool['type'] == 'installer' and tool['name'] == 'InstallCreator':
+                create_install_recognized = True
+        self.assertTrue(create_install_recognized)
diff --git a/tools/fileinfo/detection/installers/nsis/nsis10f.exe b/tools/fileinfo/detection/installers/nsis/nsis10f.exe
new file mode 100644
index 00000000..31197629
Binary files /dev/null and b/tools/fileinfo/detection/installers/nsis/nsis10f.exe differ
diff --git a/tools/fileinfo/detection/installers/nsis/nsis11n.exe b/tools/fileinfo/detection/installers/nsis/nsis11n.exe
new file mode 100644
index 00000000..1c2cbf05
Binary files /dev/null and b/tools/fileinfo/detection/installers/nsis/nsis11n.exe differ
diff --git a/tools/fileinfo/detection/installers/nsis/nsis142.exe b/tools/fileinfo/detection/installers/nsis/nsis142.exe
new file mode 100644
index 00000000..0c70714f
Binary files /dev/null and b/tools/fileinfo/detection/installers/nsis/nsis142.exe differ
diff --git a/tools/fileinfo/detection/installers/nsis/test.py b/tools/fileinfo/detection/installers/nsis/test.py
index 00dd4819..506f12d9 100644
--- a/tools/fileinfo/detection/installers/nsis/test.py
+++ b/tools/fileinfo/detection/installers/nsis/test.py
@@ -1,5 +1,19 @@
 from regression_tests import *
 
+class TestNSISDetectionByOverlay(Test):
+    settings = TestSettings(
+        tool='fileinfo',
+        input=[
+            'nsis10f.exe',
+            'nsis11n.exe',
+            'nsis142.exe'
+        ],
+    )
+
+    def test_detected_nsis(self):
+        assert self.fileinfo.succeeded
+        assert self.fileinfo.output.contains(r'Nullsoft Install System')
+
 class TestNSISDetection(Test):
     settings = TestSettings(
         tool='fileinfo',