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The file OPERATIONSYSTEM.EXE is malware related.
You must delete the file OPERATIONSYSTEM.EXE immediately!
Delete the file OPERATIONSYSTEM.EXE without delay!
Kill the process OPERATIONSYSTEM.EXE and remove OPERATIONSYSTEM.EXE from the Windows startup.
OPERATIONSYSTEM.EXE Information and Removal:
889627.EXE is known as: packed with UPX [Kaspersky Lab].
MD5 of 889627.EXE = DCC1376C8693D1F443F7486D5C905E80
889627.EXE size is 2108416 bytes.
Full path on a computer: %TEMP%\889627.EXE
Related Files:
%APPDATA%\TOULETBLACK\OPERATIONSYSTEM.EXE