We checked up the file NOFULLSCREEN.DLL and found it hazardous.
The file NOFULLSCREEN.DLL must be deleted from the system immediately.
Kill the process NOFULLSCREEN.DLL and remove NOFULLSCREEN.DLL from the Windows startup.

NOFULLSCREEN.DLL Information and Removal:
NOFULLSCREEN.DLL is known as: Trojan-Spy.Win32.Zbot [Ikarus] Win32/Ircbot.worm.variant [AhnLab].
MD5 of NOFULLSCREEN.DLL = 636962D0F2036BDB85E1A6EA4EB98C79
NOFULLSCREEN.DLL size is 3072 bytes.
Full path on a computer: %PROGRAMFILES%\BOSCO\NOFULLSCREEN.DLL
Related Files:
%APPDATA%\ADDONS.DAT
%APPDATA%\BI66XXGMU.EXE
%APPDATA%\LOCALACCOUNTAUTHORITY.BAT
%APPDATA%\LSSAS.EXE
%APPDATA%\MANAGER.EXE
%APPDATA%\MLOG
%APPDATA%\MOUSEDRIVER.BAT
%APPDATA%\PLUG.BAT
%APPDATA%\QL2C7WK.EXE
%APPDATA%\XJPPO.LOG
%APPDATA%\YLOG
%TEMP%\BOSCO_EN.EXE
%PROGRAMFILES%\BOSCO\GUI_CLASS.DLL
%PROGRAMFILES%\BOSCO\INSTALL.EXE
%PROGRAMFILES%\BOSCO\MASTER.EXE
%PROGRAMFILES%\BOSCO\NOFULLSCREEN.DLL
%PROGRAMFILES%\BOSCO\NON_GUI_CLASS.DLL
%PROGRAMFILES%\BOSCO\SLAVE.DAT
%PROGRAMFILES%\BOSCO\SLAVE.EXE
%WINDIR%\SYSTEM\LOGG.DAT
%WINDIR%\SYSTEM\SERVER.EXE
%SYSTEM%\FFKE7Y.EXE
%WINDIR%\TEMP\VGX4.TMP
%WINDIR%\TEMP\VGX5.TMP