diff --git a/algorithms/custom_shift_add.py b/algorithms/custom_shift_add.py
new file mode 100644
index 0000000..0490c6c
--- /dev/null
+++ b/algorithms/custom_shift_add.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+
+DESCRIPTION = "shift+add with a custom initial value seen in a malware."
+TYPE = "unsigned_int"
+TEST_1 = 4294890437
+
+
+def hash(data):
+    result = 0x733e14f
+    for val in data:
+        result = (result << 1) + val
+        result &= 0xffffffff
+    return result