diff --git a/modules/signatures/antivm_vbox_files.py b/modules/signatures/antivm_vbox_files.py
index c59a5d9..518ee3a 100644
--- a/modules/signatures/antivm_vbox_files.py
+++ b/modules/signatures/antivm_vbox_files.py
@@ -47,7 +47,7 @@ def run(self):
             ".*VBoxVideo\.[a-zA-Z]{3}$",
             ".*\\\\VirtualBox\\ Guest\\ Additions\\\\uninst\.exe$",
             ".*\\\\VirtualBox\\ Guest\\ Additions\\\\uninst\.exe\.dll$",
-            ".*\\\\vboxmrxnp.dll$"
+            ".*\\\\vboxmrxnp\.dll$"
         ]
 
         for indicator in indicators: