Virenscanner erkennt plötzlich Trojaner im Ordner Vlc Plus Player Updater von Vlc.de

Start::
SystemRestore: On 
CreateRestorePoint:
CloseProcesses:
HKU\S-1-5-21-287399489-512186867-3695599118-1001\...\Run: [ASRock A-Tuning] => [X]
HKLM\SOFTWARE\Policies\Mozilla\Firefox: Beschränkung <==== ACHTUNG
Task: {99C97EB6-3608-4EB0-A9A5-33C21D34DE3F} - System32\Tasks\VLC Plus Player Updater => C:\Users\dirk_\AppData\Local\VLC [Argument = Plus Player Updater\Updater.exe]
C:\Users\AllUserName\AppData\Local\VLC Plus Player Updater

startpowershell:
Function Remove-all-windefend-excludes {
$Paths=(Get-MpPreference).ExclusionPath
$Extensions=(Get-MpPreference).ExclusionExtension
$Processes=(Get-MpPreference).ExclusionProcess
foreach ($Path in $Paths) { Remove-MpPreference -ExclusionPath $Path -force}
foreach ($Extension in $Extensions) { Remove-MpPreference -ExclusionExtension $Extension -force}
foreach ($Process in $Processes) { Remove-MpPreference -ExclusionProcess $Process -force}
}
Set-MpPreference -DisableAutoExclusions $true -Force
Remove-all-windefend-excludes
endpowershell:
CMD: netsh winsock reset
CMD: netsh int ip reset
CMD: ipconfig /flushdns
CMD: netsh advfirewall reset
CMD: netsh advfirewall set allprofiles state ON
CMD: netsh winhttp reset proxy
CMD: Bitsadmin /Reset /Allusers
CMD: "%WINDIR%\SYSTEM32\lodctr.exe" /R
CMD: "%WINDIR%\SysWOW64\lodctr.exe" /R
CMD: "%WINDIR%\SYSTEM32\lodctr.exe" /R
CMD: "%WINDIR%\SysWOW64\lodctr.exe" /R
CMD: cscript /nologo %systemroot%\System32\slmgr.vbs /dlv
Hosts:
RemoveProxy:
EmptyTemp:
End::