diff --git a/scan.php b/scan.php
index dc9c142..e2a2a02 100644
--- a/scan.php
+++ b/scan.php
@@ -178,6 +178,22 @@ class MalwareScanner
                 break;
             }
         }
+        
+        if (!$found) {
+            $patterns = $this->loadPatterns(dirname(__FILE__) . '/patterns_iraw.txt');
+            foreach ($patterns as $toSearch) {
+                if (!$toSearch) {
+                    continue;
+                }
+                if ($toSearch[0] === '#') {
+                    continue;
+                }
+                if (stripos($fileContent, $toSearch) !== FALSE){
+                    $found = true;
+                    break;
+                }
+            }
+        }
 
         if (!$found) {
             $patterns = $this->loadPatterns(dirname(__FILE__) . '/patterns_re.txt');