I ran a AdwCleaner and it detected RtkAudUService as a PUP. It doesn't get deleted. I'm wondering if this is a false positive?
# -------------------------------
# Malwarebytes AdwCleaner 7.2.7.0
# -------------------------------
# Build: 01-30-2019
# Database: 2019-02-12.2 (Cloud)
# Support: https://www.malwarebytes.com/support
#
# -------------------------------
# Mode: Clean
# -------------------------------
# Start: 02-12-2019
# Duration: 00:00:00
# OS: Windows 10 Home
# Cleaned: 2
# Failed: 0
***** [ Services ] *****
No malicious services cleaned.
***** [ Folders ] *****
No malicious folders cleaned.
***** [ Files ] *****
No malicious files cleaned.
***** [ DLL ] *****
No malicious DLLs cleaned.
***** [ WMI ] *****
No malicious WMI cleaned.
***** [ Shortcuts ] *****
No malicious shortcuts cleaned.
***** [ Tasks ] *****
Deleted C:\Windows\System32\Tasks\RtkAudUService64_BG
***** [ Registry ] *****
Deleted HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree\RtkAudUService64_BG
***** [ Chromium (and derivatives) ] *****
No malicious Chromium entries cleaned.
***** [ Chromium URLs ] *****
No malicious Chromium URLs cleaned.
***** [ Firefox (and derivatives) ] *****
No malicious Firefox entries cleaned.
***** [ Firefox URLs ] *****
No malicious Firefox URLs cleaned.
*************************
[+] Delete Tracing Keys
[+] Reset Winsock
*************************
AdwCleaner[S00].txt - [1391 octets] - [12/02/2019 14:59:44]
AdwCleaner[C00].txt - [1537 octets] - [12/02/2019 15:00:12]
AdwCleaner[S01].txt - [1513 octets] - [12/02/2019 15:07:59]
########## EOF - C:\AdwCleaner\Logs\AdwCleaner[C01].txt ##########