delete C:\WINDOWS\system32\FAantivirus.vbs
Edit key with IceSword beacuse with regedit it may show error
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
userinit C:\WINDOWS\system32\userinit.exe,C:\WINDOWS\system32\wscript.exe C:\WINDOWS\system32\FAantivirus.vbs delete this string C:\WINDOWS\system32\FAantivirus.vbs and check keys below also
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell]
@="Open"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Auto]
@="AutoPlay"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Auto\Command]
@="wscript.exe FAantivirus.vbs"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\AutoRun]
"Extended"=""
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\AutoRun\command]
@="wscript.exe FAantivirus.vbs"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Explore]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Explore\Command]
@="wscript.exe FAantivirus.vbs"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Find]
@="Search..."
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Find\Command]
@="wscript.exe FAantivirus.vbs"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Format...]
@="Format..."
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\Format...\Command]
@="wscript.exe FAantivirus.vbs"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\open]
@="Open"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{79304312-9a8b-11de-8e38-00148598e886}\Shell\open\Command]
@="wscript.exe FAantivirus.vbs" from usedmachineryindia.com