diff --git a/clusters/ransomware.json b/clusters/ransomware.json
index 9602fb1c..d7c9819d 100644
--- a/clusters/ransomware.json
+++ b/clusters/ransomware.json
@@ -13627,7 +13627,8 @@
         "extensions": [
           ".CIop",
           ".Clop",
-          ".Ciop"
+          ".Ciop",
+          ".Clop2"
         ],
         "refs": [
           "https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-001.pdf"