I also modified yt_dlp. But I do not remember what I changed. Have fun

yt_dlp/extractor/savefrom.py

@@ -0,0 +1,30 @@
+import os.path
+
+from .common import InfoExtractor
+
+
+class SaveFromIE(InfoExtractor):
+    IE_NAME = 'savefrom.net'
+    _VALID_URL = r'https?://[^.]+\.savefrom\.net/\#url=(?P<url>.*)$'
+
+    _TEST = {
+        'url': 'http://en.savefrom.net/#url=http://youtube.com/watch?v=UlVRAPW2WJY&utm_source=youtube.com&utm_medium=short_domains&utm_campaign=ssyoutube.com',
+        'info_dict': {
+            'id': 'UlVRAPW2WJY',
+            'ext': 'mp4',
+            'title': 'About Team Radical MMA | MMA Fighting',
+            'upload_date': '20120816',
+            'uploader': 'Howcast',
+            'uploader_id': 'Howcast',
+            'description': r're:(?s).* Hi, my name is Rene Dreifuss\. And I\'m here to show you some MMA.*',
+        },
+        'params': {
+            'skip_download': True
+        }
+    }
+
+    def _real_extract(self, url):
+        mobj = self._match_valid_url(url)
+        video_id = os.path.splitext(url.split('/')[-1])[0]
+
+        return self.url_result(mobj.group('url'), video_id=video_id)