from my research try below to remove manually or find a newer version of malwarebytes anti malware to do it for you, you can "find" the full version of it near everywhere online or PM me if you cant
NS
Find and Delete these MS Antivirus:
msa.exe
msantivirus.exe
MSAntivirus.lnk
UninstallMSAntivirus.lnk
c:\Program Files\MSA
c:\Program Files\MSA\MSA.cpl
c:\Program Files\MSA\MSA.exe
c:\Program Files\MSA\msa0.dat
c:\Program Files\MSA\msa1.dat
c:\WINDOWS\system32\MSA.cpl
c:\Documents and Settings\Administrator\Desktop\MSAntivirus.lnk
Remove MS Antivirus Registry Values:
HKEY_CURRENT_USER\Software\AntiVirus
HKEY_CURRENT_USER\Software\MSA
HKEY_CLASSES_ROOT\.key
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Run “Antivirus”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Run “Antivirus”
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