Shock wave killer took Dllhost.exe as the process name, but because Windows does not allow the same directory a file of the same name exists, so the shock wave of killer virus "Dllhost.exe" in the C:\Windows\System32\Wins directory (Windows 2000 is C:\WINNT\System32\Wins, all assumes that the system is installed on drive c), But the real Dllhost.exe should be placed in C:\Windows\System32 (Windows 2000 is C:\WINNT\System32)
In other words: shock wave (Worm.WelChia) in order to confuse the user, to avoid the virus execution terminated by the process manager, using Dllhost.exe to the same name as Windows component, but is not to say that the process Dllhost.exe is tantamount to infection worm.welchia
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