How to easily remove UPDATEWIDNWOS.EXE! Fix it immediately

UPDATEWIDNWOS.EXE is High Risk Trojan.
UPDATEWIDNWOS.EXE must be removed immediately!
It can used for stealing bank information and users passwords.
UPDATEWIDNWOS.EXE can download malicious software from hacker’s web sites.
UPDATEWIDNWOS.EXE allow someone to connect to your computer remotely.
UPDATEWIDNWOS.EXE is known as: TROJAN/DOWNLOADER9.
Full path on a computer: %APPDATA%UPDATEWIDNWOS.EXE
Related Files:
%APPDATA%UPDATEWIDNWOS.EXE
%APPDATA%WINHOSTLEXPLORER.EXE