diff --git a/tools/ransomware/ransomlook_update.py b/tools/ransomware/ransomlook_update.py
new file mode 100644
index 00000000..1e6a7b45
--- /dev/null
+++ b/tools/ransomware/ransomlook_update.py
@@ -0,0 +1,152 @@
+import requests
+import json
+import time
+import uuid
+import re
+from pathlib import Path
+
+# open clusters/ransomware
+ransompath = Path(__file__).parent.parent.parent / 'clusters' / 'ransomware.json'
+ransomware_galaxy = ransompath.open("r")
+ransom_galaxy = json.load(ransomware_galaxy)
+ransomware_galaxy.close()
+
+# get groups names from ransomlook
+ransomlook_groups = requests.get("https://www.ransomlook.io/api/groups")
+ransomlook_groups = ransomlook_groups.json()
+
+# tracking updated and created clusters
+updated = []
+created = []
+
+# preparing name groups exception management
+# For now, only seen exceptions are groups with a known synonym in parentheses
+# ex: "Eraleign (Apt73)"
+exceptions = []
+
+pattern = re.compile(r'^(.*)\((.*)\)$')
+
+for rlookgroup in ransomlook_groups:
+    match = pattern.match(rlookgroup)
+    if match:
+        # Name as registred in ransomlook, first known name, synonym
+        exceptions.append((rlookgroup, match.group(1).strip(), match.group(2).strip()))
+
+for rlookgroup in ransomlook_groups:
+    # check if it is an exception
+    true_rlookgroup = rlookgroup
+    synonym = ""
+    if exceptions:
+        for exception in exceptions:
+            if rlookgroup.lower() == exception[0].lower():
+                rlookgroup = exception[1]
+                synonym = exception[2]
+                break
+
+    # get data from ransomlook
+    ransom_data = requests.get(
+        "https://www.ransomlook.io/api/group/" + str(true_rlookgroup)
+    ).json()
+
+    # checking if the cluster exists
+    cluster_exist = False
+    for cluster in ransom_galaxy['values']:
+        if cluster['value'].lower() == rlookgroup.lower():
+            cluster_exist = True
+        elif 'meta' in cluster:
+            if 'synonyms' in cluster['meta']:
+                for syn in cluster['meta']['synonyms']:
+                    if syn.lower() == rlookgroup.lower():
+                        cluster_exist = True
+
+        # Updating the cluster if existing
+        if cluster_exist == True:
+            if 'description' not in cluster:
+                if ransom_data[0]['meta'] is not None:
+                    cluster['description'] = ransom_data[0]['meta']
+            if 'meta' not in cluster:
+                cluster['meta'] = {}
+            if 'links' not in cluster['meta']:
+                cluster['meta']['links'] = []
+
+            if 'locations' in ransom_data[0]:
+                for location in ransom_data[0]['locations']:
+                    if location['slug'] not in cluster['meta']['links']:
+                        cluster['meta']['links'].append(location['slug'])
+
+            if synonym:
+                if 'synonyms' not in cluster['meta']:
+                    cluster['meta']['synonyms'] = []
+                    cluster['meta']['synonyms'].append(synonym)
+
+            if 'refs' not in cluster['meta']:
+                cluster['meta']['refs'] = []
+            if 'profile' in ransom_data[0]:
+                for url in ransom_data[0]['profile']:
+                    if url not in cluster['meta']['refs']:
+                        cluster['meta']['refs'].append(url)
+            url = "https://www.ransomlook.io/group/" + true_rlookgroup
+            if url not in cluster['meta']['refs']:
+                cluster['meta']['refs'].append(url)
+
+            if 'uuid' not in cluster:
+                cluster['uuid'] = str(
+                    uuid.uuid5(
+                        uuid.UUID('10cf658b-5d32-4c4b-bb32-61760a640372'), rlookgroup
+                    )
+                )
+            break
+
+    if cluster_exist == True:
+        updated.append(str(rlookgroup))
+    else:
+        # creating a new cluster
+        created.append(str(rlookgroup))
+        new_cluster = {}
+        new_cluster['value'] = rlookgroup
+        if ransom_data[0]['meta'] is not None:
+            new_cluster['description'] = ransom_data[0]['meta']
+        new_cluster['meta'] = {}
+
+        new_cluster['meta']["links"] = []
+        if 'locations' in ransom_data[0]:
+            for location in ransom_data[0]['locations']:
+                if location['slug'] not in new_cluster['meta']['links']:
+                    new_cluster['meta']["links"].append(location['slug'])
+
+        if synonym:
+            new_cluster['meta']['synonyms'] = []
+            new_cluster['meta']['synonyms'].append(synonym)
+
+        new_cluster['meta']["refs"] = []
+
+        url = "https://www.ransomlook.io/group/" + true_rlookgroup
+        if url not in new_cluster['meta']['refs']:
+
+            new_cluster['meta']['refs'].append(url)
+
+        if 'profile' in ransom_data[0]:
+            for url in ransom_data[0]['profile']:
+                if url not in new_cluster['meta']['refs']:
+                    new_cluster['meta']["refs"].append(url)
+        new_cluster['uuid'] = str(
+            uuid.uuid5(uuid.UUID('10cf658b-5d32-4c4b-bb32-61760a640372'), rlookgroup)
+        )
+
+        ransom_galaxy['values'].append(new_cluster)
+
+
+print("\n" + str(len(updated)) + " clusters updated:")
+print(updated)
+
+print("\n" + str(len(created)) + " clusters created:")
+print(created)
+
+print("\nTotal modified :" + str(len(updated) + len(created)))
+
+ransom_galaxy['version'] = ransom_galaxy['version'] + 1
+
+tojson = json.dumps(ransom_galaxy, indent=2, ensure_ascii=False)
+ransomware_galaxy = ransompath.open("w+")
+ransomware_galaxy.write(tojson)
+ransomware_galaxy.close()