diff --git a/telegram_downloader_bot/utils.py b/telegram_downloader_bot/utils.py
index 3d7c693..fac09c1 100644
--- a/telegram_downloader_bot/utils.py
+++ b/telegram_downloader_bot/utils.py
@@ -1,4 +1,3 @@
-import integv
 import os
 import re
 
@@ -7,43 +6,45 @@ from pyrogram import Client
 from pyrogram.types import Message
 from tiktok_downloader import snaptik
 
-from telegram_downloader_bot.logger import log
+def sanitize_name(input: str) -> str:
+    """Sanize string by removing non aplhanumeric characters and spaces."""
+    output = re.sub("[^a-zA-Z0-9- ]", "", input)
+    output = output.replace(" ", "_")
+    return output
 
 
-async def get_user_folder(storage_path: os.path, message: Message) -> os.path:
+def get_user_folder(storage_path: os.path, message: Message) -> os.path:
     """ Determine folder name used to save the media to. Depending on
     which type of message (forwarded, direct) detect that person's
     or group's name."""
 
+    # Message forwarded from someone
     if message.forward_from:
         user = message.forward_from
-        # User's first and last name for folder name,
-        # fallback to user ID if not available
-        user_folder_name = (
-            f"{user.first_name}_{user.last_name}".strip()
-            if user.first_name and user.last_name
-            else str(user.id)
-        )
+        if user.first_name and user.last_name:
+            # User's first and last name for folder name
+            user_folder_name = f"{user.first_name} {user.last_name}"
+        else:
+            # fallback to user ID if not available
+            user_folder_name = str(user.id)
+
+    # Message forwarded from chat
     elif message.forward_from_chat:
         user = message.forward_from_chat
-        # Use chat title for groups and channels
-        user_folder_name = "".join(
-            c for c in user.title if c.isalnum() or c in (" ", "_")
-        ).rstrip()
+        user_folder_name = user.title
+
+    # Direct message from user
     else:
         user = message.from_user
-        # User's first and last name for folder name,
-        # fallback to user ID if not available
-        user_folder_name = (
-            f"{user.first_name}_{user.last_name}".strip()
-            if user.first_name and user.last_name
-            else str(user.id)
-        )
+        if user.first_name and user.last_name:
+            # User's first and last name for folder name
+            user_folder_name = f"{user.first_name} {user.last_name}"
+        else:
+            # fallback to user ID if not available
+            user_folder_name = str(user.id)
 
     # Sanitize the folder name
-    user_folder_name = "".join(
-        c for c in user_folder_name if c.isalnum() or c in (" ", "_")
-    ).rstrip()
+    user_folder_name = sanitize_name(user_folder_name)
 
     user_folder = os.path.join(storage_path, "telegram", user_folder_name)
     os.makedirs(user_folder, exist_ok=True)
@@ -92,41 +93,22 @@ async def handle_media_message_contents(storage_path: os.path,
         await message.reply_text("Unknown media type!")
 
 
-def download_tt_video(storage_path: str, url: str) -> bool:
+def download_tt_video(storage_path: str, url: str) -> None:
     """Downloads tiktok video from a given URL.
     Makes sure the video integrity is correct."""
 
     videos = snaptik(url)
     now = datetime.datetime.now()
-    max_tries = 5
-
-    log.debug(f"Downloading video from {url}...")
 
     for video in videos:
         video_filename = now.strftime("video-tiktok-%Y-%m-%d_%H-%M-%S.mp4")
-        video_filepath: os.path = os.path.join(
-            storage_path, "tiktok", video_filename)
-
-        for i in range(max_tries):
-            video_content = video.download().getbuffer()
-            is_valid_mp4 = integv.verify(
-                video_content.tobytes(), file_type="mp4")
-            log.debug(
-                f"Attempt {i+1}/{max_tries} to "
-                "download video, video valid: {is_valid_mp4}"
-            )
-            if is_valid_mp4:
-                break
-
-        if not is_valid_mp4:
-            log.error("Downloaded video is not a valid mp4 file")
-            return False
+        video_filepath: os.path = os.path.join(storage_path,
+                                               "tiktok",
+                                               video_filename)
+        video_content = video.download().getbuffer()
 
         with open(video_filepath, "wb") as f:
             f.write(video_content)
-            log.debug("Video saved successfully")
-
-        return True
 
 
 def make_fs(storaga_path: str) -> None: