Remove Kido / Conficker / Downadup / Downup Worm

Kido, also known as Downup, Downadup and Conficker, is a computer worm targeting the Microsoft Windows operating system that was first detected in October 2008 but, after a couple of months later, it is still being discussed in antivirus forums and message boards.

Topics usually discussed is how to detect and remove if you’re computer is infected by this Kido (aka Conficker/Downup/Downadup) worm.

It was reported by Panda Security, also a well known antivirus company, that more than 9 million PC’s have been infected. Special mention at the report was China (the probable country of origin). It is said that China is the country most infected by Kido.

Remove Kido / Conficker / Downadup / Downup

Kido although it already has many names (Downadup, Downup, Conficker etc.) various antivirus vendors use various naming conventions for worms.

How to Protect Your Computer with Kido/Conficker/Downadup/Downup

There is a fix for this worm, the details are on our security site at

Please read the above bulletin for the full details, the patches to prevent this worm are on that page.

How to Detect if You’re Infected with Kido

Found this chart while browsing and looking for ways to detect if you are already infected with this Downadup/Conficker/Kido worm

Check it out here:

How to Remove Kido / Downadup / Conficker / Downup

If you are already infected and if your Antivirus software can’t eliminate the
you would need to download a removal tool offered by various security product vendors.

Microsoft : Windows Malicious Software Removal Tool
: KidoKiller
F-Secure : F-downadup (alternate link)
BitDefender : Win32.Worm.Downadup.Gen Remover
Spywarevoid : W32.downadup.c removal tool
Symantec : W32.Downadup Remover
ESET : Conficker Remover
Sophos : Conficker Cleanup Tool

Here are some aliases provided by opular antivirus vendors :

  • Symantec : W32.Downadup
  • F-Secure : W32/Downadup.A, W32/Downadup.B etc
  • Panda : Conficker.A, Conficker.B etc
  • Kaspersky :, Net-Worm.Win32.Kido.ip, etc
  • McAffe : W32/Conficker.
  • Bitdefender : Win32.

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