PBK.EXE is Trojan Keylogger

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

Malware Analysis of PBK.EXE
Full path on a computer: %SYSDIR%\PBK.EXE

How to quickly detect PBK.EXE presence?

Files:

• %SYSDIR%\PBKHK.DLL
• %WINDIR%\TEMP\SCS1.TMP
• %SYSDIR%\PBK.EXE
• %SYSDIR%\PBKWB.DLL