Attacked by Backdoor:Win32/Lisfel.C? Assist to Remove Backdoor:Win32/Lisfel.C Infection Manually and Completely

There is a newly malicious backdoor infection named Backdoor:Win32/Lisfel.C released in the computer recently. Just as its name tells, The harmful properties the backdoor infection should contain, it all has.
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Attacked by Backdoor:Win32/Lisfel.C? Assist to Remove Backdoor:Win32/Lisfel.C Infection Manually and Completely