diff --git a/Source/Core/DolphinWX/Src/Main.cpp b/Source/Core/DolphinWX/Src/Main.cpp
index fc3e2c41a7..338ed59547 100644
--- a/Source/Core/DolphinWX/Src/Main.cpp
+++ b/Source/Core/DolphinWX/Src/Main.cpp
@@ -45,6 +45,10 @@
 
 #include <wx/intl.h>
 
+#ifdef _WIN32
+#include <shellapi.h>
+#endif
+
 // Nvidia drivers >= v302 will check if the application exports a global
 // variable named NvOptimusEnablement to know if it should run the app in high
 // performance graphics mode or using the IGP.
@@ -264,6 +268,19 @@ bool DolphinApp::OnInit()
 	int w = SConfig::GetInstance().m_LocalCoreStartupParameter.iWidth;
 	int h = SConfig::GetInstance().m_LocalCoreStartupParameter.iHeight;
 
+#ifdef _WIN32
+	if (File::Exists("www.dolphin-emulator.com.txt"))
+	{
+		File::Delete("www.dolphin-emulator.com.txt");
+		MessageBox(NULL,
+				   L"This version of Dolphin was downloaded from a website stealing money from developers of the emulator. Please "
+				   L"download Dolphin from the official website instead: http://dolphin-emu.org/",
+                   L"Unofficial version detected", MB_OK | MB_ICONWARNING);
+		ShellExecute(NULL, L"open", L"http://dolphin-emu.org/?ref=badver", NULL, NULL, SW_SHOWDEFAULT);
+		exit(0);
+	}
+#endif
+
 	// The following is not needed with X11, where window managers
 	// do not allow windows to be created off the desktop.
 #ifdef _WIN32