Remove this malicious files to get rid of W32.Blaster.Worm:
C:\Windows\System32\msblast.exe
C:\Windows\System32\penis32.exe
C:\Windows\System32\teekids.exe
C:\Windows\System32\mspatch.exe
C:\Windows\System32\mslaugh.exe
C:\Windows\System32\enbiei.exe
More details on our article about manual W32.Blaster.Worm removal