ThreatExpert's Statistics for Troj/Rootkit-FX [Sophos]:

Troj/Rootkit-FX [Sophos] is also known as:

Threat Alias	Number of Incidents
Generic Dropper.gj [McAfee]	4
Hacktool.Rootkit [Symantec]	4
Trojan.Win32.Inject [Ikarus]	4
Trojan.Win32.Inject.adkq [Kaspersky Lab]	4
VirTool:WinNT/Rootkitdrv.LY [Microsoft]	4
Win-Trojan/Rootkit.41216 [AhnLab]	4

Troj/Rootkit-FX [Sophos] is known to be created as:

%System%\drivers\systemntmi.sys

Note: %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).