diff --git a/Gruntfile.js b/Gruntfile.js
index 6a799414..2fdc180b 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -762,6 +762,7 @@ module.exports = function (grunt) {
         },
         virustotal: {
             options: {
+                prefix: `keeweb.v${pkg.version}-${sha}.`,
                 timeout: 10 * 60 * 1000,
                 get apiKey() {
                     return require('./keys/virus-total.json').apiKey;
diff --git a/build/tasks/grunt-virustotal.js b/build/tasks/grunt-virustotal.js
index 255f5fa3..94b5af97 100644
--- a/build/tasks/grunt-virustotal.js
+++ b/build/tasks/grunt-virustotal.js
@@ -21,13 +21,13 @@ module.exports = function (grunt) {
 
             const timeStarted = Date.now();
 
-            const { apiKey, timeout = 60 * 1000 } = opt;
+            const { apiKey, prefix, timeout = 60 * 1000 } = opt;
             const interval = 5000;
 
             const headers = { 'x-apikey': apiKey };
 
             const fileData = fs.readFileSync(file);
-            const fileName = path.basename(file);
+            const fileName = (prefix || '') + path.basename(file);
 
             const form = new FormData();
             form.append('file', fileData, fileName);