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Neko, 1964


This is a polymorphic virus which infects EXE files. Occasionally it overwrites programs with a trojan which displays this text when run:

 Hi! My name is Neko.
It is a Japan name.
When you see me , please do not worry.
New i am a very kind and cute virus.
I only kill your this file.
But next time i will kill you all.
I will be com back and become fierce.
version 1.0


Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note: You need administrative rights to change the settings.

Technical Details


This bigger version displays this text:

 Dear Mrs.Grandy:
It is me,Neko again! This is the lastest version 2.0
Undoubtedly,I am not what I was.
Let me tell you something about my improvement.
I work with the Antilogic Engine I.
It is a new invention.So,

version 2.0
Made by Metal Satan

Neko was reported to be in the wild in Isreal in March 1996.