Micro Antivirus 2009 manual removal:
Kill processes:
MicroAV.exe MicroAntivirus.exe MicroAntivirus2009.exe
HELP:
how to kill malicious processes

Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Micro Antivirus 2009
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “ANTIVIRUS”
HKEY_CURRENT_USER\Software\MicroAV
HKEY_CURRENT_USER\Software\AntiVirus
HKEY_CLASSES_ROOT\.key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “ANTIVIRUS”
HELP:
how to remove registry entries

Delete files:
microAV.cpl microAV.exe microAV.ooo microAV0.dat microAV1.dat MicroAntivirus.lnk
HELP:
how to remove harmful files