Where is the Systray Located?

Is the Systray located in the registry or where. I need to pull a virus program out of the systray for it has hidden its name.

Any programs in the below locations can be loaded to the tray. so the virus can be loaded from one of thease locations i think randem.

C:\Documents and Settings\All Users\Start Menu\Programs\Startup
C:\Documents and Settings\LoginName\Start Menu\Programs\Startup
C:\windows\start menu\programs\startup

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run

Windows NT Services, win.ini, system.ini, Winlogon & Userinit

http://www.computerhope.com/issues/chtsr.htm pls see if this helps

No that stuff is elementary. I have to get rid of something different on a clients computer. I am finding out it VirusProtectPro virus software scam software.