The following instructions have been created to help you to get rid of "CDownCom" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

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Threat Details:

Categories:
  • trojan

Description:
CDownCom is also known as Domcom-C. It downloads and runs other malware and trojans.
Removal Instructions:

Registry:

You can use regedit.exe (included in Windows) to locate and delete these registry entries.
  • Delete the registry key "{031B6D43-CBC4-46A5-8E46-CF8B407C1A33}" at "HKEY_CLASSES_ROOT\CLSID\".
  • Delete the registry key "{031B6D43-CBC4-46A5-8E46-CF8B407C1A33}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
  • A key in HKEY_CLASSES_ROOT\ named "DownCom.CDownCom", plus associated values.
  • A key in HKEY_CLASSES_ROOT\ named "DownCom.CDownCom.1", plus associated values.
If CDownCom uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
  1. Please read these instructions before requesting assistance,
  2. Then start your own thread in the Malware Removal Forum where a volunteer analyst will advise you as soon as available.