Dllhst3g.exe is not a Windows core files and it is not essential for Windows. It usually causes problems on target computer. So it can regarded as an
malware that is able to perform a series of malicious actions on your computer system.
What malicious things will Dllhst3g.exe do to your PC?
It may change your starting items in the registry entries.
It may launch up as your system starts.
It may bring other infections into your PC.
It may make your PC run abnormally.
Your system may be turned to sluggish.