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  4. System Infected: Trojan.Naid Activity 2

System Infected: Trojan.Naid Activity 2

Severity: High

This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.


Trojan.Naid is a Trojan horse that opens a back door on the compromised computer.

Additional Information

When the Trojan is executed, it creates the following files:


The Trojan creates the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\Services\AppMgmt\"Start" = "2"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\Services\AppMgmt\Parameters\"ServiceDll" = "%UserProfile%\AppMgmt.dll"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\Services\AppMgmt\"Type" = "272"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\Services\AppMgmt\"FailureActions" = "[BINARY DATA]"

The Trojan may create one of the following services so that it runs every time Windows starts:


The Trojan collects the following system information from the compromised computer:

domain name
unique identifier (UID)

The Trojan utilises its own custom communications protocol to connect to the following IP address over port 443:

The Trojan then opens a back door on the compromised computer.


  • Windows 2000, Windows 7, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
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