Remove Cydoor. Description and removal instructions

Title: Cydoor
Type: Adware	Severity scale: (18 / 100)

Cydoor is an adware program that displays commercial advertisements. It doesn't have any dangerous payload. Cydoor can be manually installed or may get into the system along with some ad-supported software. It doesn't run on Windows startup and loads only when the application that have it installed is running.

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Cydoor properties:
• Shows commercial adverts
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Cydoor removal:

remover for Cydoor

Cydoor manual removal:

Kill processes:
cd_load.exe

HELP:
how to kill malicious processes

Delete registry values:
HKEY_USERS\.DEFAULT\Software\Cydoor
HKEY_USERS\.DEFAULT\Software\Cydoor Services
HKEY_CURRENT_USER\Software\Cydoor
HKEY_CURRENT_USER\Software\Cydoor Services
HKEY_LOCAL_MACHINE\SOFTWARE\Cydoor
HKEY_LOCAL_MACHINE\SOFTWARE\Cydoor Services
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AdSupport_[X]

HELP:
how to remove registry entries

Delete files:
cd_load.exe, cd_htm.dll, cd_clint.dll

HELP:
how to remove harmful files

Misc:
[X] is a certain number.

All Cydoor files are located in the default system directory, which can be one of the following:
C:\Windows\System, C:\Windows\System32 or C:\Winnt\System32.

Other programs to remove Cydoor:

• SUPERAntiSpyware - Review - Download
• CounterSpy - Review - Download
• Windows Defender - Review - Download

Information added: 19/03/04
Information updated: 01/09/05

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