STEARN.EXE is Trojan Killproc

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

Malware Analysis of STEARN.EXE
Full path on a computer: %SYSDIR%\SYSTEM32\STEARN.EXE

How to quickly detect STEARN.EXE presence?

Files:

• %SYSDIR%\SYSTEM32\STEARN.EXE
• %SYSDIR%\SYSTEM32\SEND.EXE
• %TEMP%\1.TMP\CHR.EXE
• %SYSDIR%\SYSTEM32\UPDATER.EXE