ThreatExpert's Statistics for Rootkit.Win32.Small.bs [Kaspersky Lab]:

Rootkit.Win32.Small.bs [Kaspersky Lab] is also known as:

Threat Alias	Number of Incidents
Backdoor:Win32/Haxdoor [Microsoft]	1
Mal/Generic-A [Sophos]	1
Rootkit.Small!sd6 [PC Tools]	1
Win32.SuspectCrc [Ikarus]	1

Rootkit.Win32.Small.bs [Kaspersky Lab] is known to be created as:

%System%\vbagz.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).