diff --git a/lib/cuckoo/common/web_utils.py b/lib/cuckoo/common/web_utils.py
index 60b4eff6c70..eb10064548c 100644
--- a/lib/cuckoo/common/web_utils.py
+++ b/lib/cuckoo/common/web_utils.py
@@ -766,7 +766,7 @@ def download_file(**kwargs):
     if not onesuccess:
         return "error", {"error": f"Provided hash not found on {kwargs['service']}"}
 
-    return "ok", kwargs["task_ids"], extra_details.get("errors", [])
+    return "ok", {"task_ids": kwargs["task_ids"], "errors": extra_details.get("errors", [])}
 
 
 def save_script_to_storage(task_ids, kwargs):
@@ -1324,15 +1324,19 @@ def thirdpart_aux(samples, prefix, opt_filename, details, settings):
             if content:
                 details["content"] = content
 
+        errors = {}
         if not details.get("content", False):
-            status, task_ids_tmp = download_file(**details)
+            status, tasks_details = download_file(**details)
         else:
             details["service"] = "Local"
-            status, task_ids_tmp = download_file(**details)
+            status, tasks_details = download_file(**details)
         if status == "error":
-            details["errors"].append({h: task_ids_tmp})
+            details["errors"].append({h: tasks_details})
         else:
-            details["task_ids"] = task_ids_tmp
+            details["task_ids"] = tasks_details.get("task_ids", [])
+            errors = tasks_details.get("errors")
+            if errors:
+                details["errors"].extend(errors)
 
     return details
 
diff --git a/web/apiv2/views.py b/web/apiv2/views.py
index 293c968d090..b744aafdb0a 100644
--- a/web/apiv2/views.py
+++ b/web/apiv2/views.py
@@ -287,7 +287,6 @@ def tasks_create_file(request):
             "user_id": request.user.id or 0,
         }
 
-        task_ids_tmp = []
         task_machines = []
         vm_list = [vm.label for vm in db.list_machines()]
 
@@ -342,21 +341,13 @@ def tasks_create_file(request):
             if tmp_path:
                 details["path"] = tmp_path
                 details["content"] = content
-                demux_error_msgs = []
-
-                result = download_file(**details)
-                if len(result) == 2:
-                    status, task_ids_tmp = result
-                elif len(result) == 3:
-                    status, task_ids_tmp, demux_error_msgs = result
-
+                status, tasks_details = download_file(**details)
                 if status == "error":
-                    details["errors"].append({os.path.basename(tmp_path).decode(): task_ids_tmp})
+                    details["errors"].append({os.path.basename(tmp_path).decode(): tasks_details})
                 else:
-                    details["task_ids"] = task_ids_tmp
-
-                if demux_error_msgs:
-                    details["errors"].extend(demux_error_msgs)
+                    details["task_ids"] = tasks_details.get("task_ids")
+                    if tasks_details.get("errors"):
+                        details["errors"].extend(tasks_details["errors"])
 
         if details["task_ids"]:
             tasks_count = len(details["task_ids"])
@@ -576,19 +567,13 @@ def tasks_create_dlnexec(request):
             "user_id": request.user.id or 0,
         }
 
-        result = download_file(**details)
-        if len(result) == 2:
-            status, task_ids_tmp = result
-        elif len(result) == 3:
-            status, task_ids_tmp, demux_error_msgs = result
-
+        status, tasks_details = download_file(**details)
         if status == "error":
-            details["errors"].append({os.path.basename(path).decode(): task_ids_tmp})
+            details["errors"].append({os.path.basename(path).decode(): tasks_details})
         else:
-            details["task_ids"] = task_ids_tmp
-
-        if demux_error_msgs:
-            details["errors"].extend(demux_error_msgs)
+            details["task_ids"] = tasks_details.get("task_ids")
+            if tasks_details.get("errors"):
+                details["errors"].extend(tasks_details["errors"])
 
         if details["task_ids"]:
             tasks_count = len(details["task_ids"])
diff --git a/web/submission/views.py b/web/submission/views.py
index 0efc0db2ba0..39c25136c3a 100644
--- a/web/submission/views.py
+++ b/web/submission/views.py
@@ -366,7 +366,6 @@ def index(request, task_id=None, resubmit_hash=None):
             opt_apikey = opts.get("apikey", False)
 
         status = "ok"
-        task_ids_tmp = []
         existent_tasks = {}
         details = {
             "errors": [],
@@ -508,17 +507,13 @@ def index(request, task_id=None, resubmit_hash=None):
 
                 details["path"] = path
                 details["content"] = content
-                result = download_file(**details)
-                if len(result) == 2:
-                    status, task_ids_tmp = result
-                elif len(result) == 3:
-                    status, task_ids_tmp, demux_error_msg = result
-                    if demux_error_msg:
-                        details["errors"].extend(demux_error_msg)
+                status, tasks_details = download_file(**details)
                 if status == "error":
-                    details["errors"].append({os.path.basename(filename): task_ids_tmp})
+                    details["errors"].append({os.path.basename(filename): tasks_details})
                 else:
-                    details["task_ids"] = task_ids_tmp
+                    details["task_ids"] = tasks_details.get("task_ids")
+                    if tasks_details.get("errors"):
+                        details["errors"].extend(tasks_details["errors"])
                     if web_conf.web_reporting.get("enabled", False) and web_conf.general.get("existent_tasks", False):
                         records = perform_search("target_sha256", hash, search_limit=5)
                         if records:
@@ -543,23 +538,19 @@ def index(request, task_id=None, resubmit_hash=None):
 
                 details["path"] = path
                 details["content"] = content
-                result = download_file(**details)
-                if len(result) == 2:
-                    status, task_ids_tmp = result
-                elif len(result) == 3:
-                    status, task_ids_tmp, demux_error_msg = result
-                    if demux_error_msg:
-                        details["errors"].extend(demux_error_msg)
+                status, tasks_details = download_file(**details)
                 if status == "error":
-                    details["errors"].append({os.path.basename(path): task_ids_tmp})
+                    details["errors"].append({os.path.basename(path): tasks_details})
                 else:
+                    details["task_ids"] = tasks_details.get("task_ids")
+                    if tasks_details.get("errors"):
+                        details["errors"].extend(tasks_details["errors"])
                     if web_conf.general.get("existent_tasks", False):
                         records = perform_search("target_sha256", sha256, search_limit=5)
                         if records:
                             for record in records:
                                 if record.get("target").get("file", {}).get("sha256"):
                                     existent_tasks.setdefault(record["target"]["file"]["sha256"], []).append(record)
-                    details["task_ids"] = task_ids_tmp
 
         elif task_category == "static":
             for content, path, sha256 in list_of_tasks:
@@ -631,18 +622,13 @@ def index(request, task_id=None, resubmit_hash=None):
                 details["content"] = content
                 details["service"] = "DLnExec"
                 details["source_url"] = samples
-                result = download_file(**details)
-                if len(result) == 2:
-                    status, task_ids_tmp = result
-                elif len(result) == 3:
-                    status, task_ids_tmp, demux_error_msg = result
-                    if demux_error_msg:
-                        details["errors"].extend(demux_error_msg)
-
+                status, tasks_details = download_file(**details)
                 if status == "error":
-                    details["errors"].append({os.path.basename(path): task_ids_tmp})
+                    details["errors"].append({os.path.basename(path): tasks_details})
                 else:
-                    details["task_ids"] = task_ids_tmp
+                    details["task_ids"] = tasks_details.get("task_ids")
+                    if tasks_details.get("errors"):
+                        details["errors"].extend(tasks_details["errors"])
 
         elif task_category == "vtdl":
             if not settings.VTDL_KEY: