diff --git a/core/lib/Drupal/Core/Extension/Extension.php b/core/lib/Drupal/Core/Extension/Extension.php
new file mode 100644
index 0000000..76b2f2e
--- /dev/null
+++ b/core/lib/Drupal/Core/Extension/Extension.php
@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Extension\Extension.
+ */
+
+namespace Drupal\Core\Extension;
+
+/**
+ * Defines a Drupal Extension file info object.
+ */
+class Extension extends \SplFileInfo {
+
+  /**
+   * @deprecated 8.0
+   *   Use Extension::getPathname() instead.
+   */
+  public $uri;
+  /**
+   * @deprecated 8.0
+   *   Use Extension::getFilename() instead.
+   */
+  public $filename;
+  /**
+   * @deprecated 8.0
+   *   Use Extension::getName() instead.
+   */
+  public $name;
+
+  /**
+   * Constructs a Extension file info object.
+   *
+   * @param string $filename
+   *   The file name of the extension. Typically 'path/to/foo.info.yml'.
+   */
+  public function __construct($filename) {
+    parent::__construct($filename);
+    $this->uri = $filename;
+    $this->filename = $this->getFilename();
+    // pathinfo('foo.bar', PATHINFO_FILENAME) strips the extension and yields
+    // 'foo', regardless of what the extension is. SplFileInfo does not have
+    // a corresponding method for that behavior.
+    $this->name = pathinfo($this->filename, PATHINFO_FILENAME);
+  }
+
+  /**
+   * Returns the name of this extension.
+   */
+  public function getName() {
+    return $this->name;
+  }
+
+}
diff --git a/core/lib/Drupal/Core/SystemListing.php b/core/lib/Drupal/Core/SystemListing.php
index 7301d82..5bd59b9 100644
--- a/core/lib/Drupal/Core/SystemListing.php
+++ b/core/lib/Drupal/Core/SystemListing.php
@@ -7,6 +7,8 @@
 
 namespace Drupal\Core;
 
+use Drupal\Core\Extension\Extension;
+
 /**
  * Returns information about system object files (modules, themes, etc.).
  *
@@ -188,10 +190,7 @@ protected function scanDirectory($dir, $key, $mask, $nomask) {
             elseif (preg_match($mask, $filename)) {
               // Always use this match over anything already set in $files with
               // the same $options['key'].
-              $file = new \stdClass();
-              $file->uri = $uri;
-              $file->filename = $filename;
-              $file->name = pathinfo($filename, PATHINFO_FILENAME);
+              $file = new Extension($uri);
               $this->processFile($file);
               $files[$file->$key] = $file;
             }