ThreatExpert's Statistics for W32.Tupofse.B [Symantec]:

W32.Tupofse.B [Symantec] is also known as:

Threat Alias	Number of Incidents
Generic BackDoor.d [McAfee]	152
PE_KESPO.C-O [Trend Micro]	152
Backdoor.Nakuru.A [PC Tools]	88
Virus.Win32.Nakuru.a [Kaspersky Lab]	72
Bloodhound.Unknown [Symantec]	64
W32/Kespo-A [Sophos]	64
Virus.Win32.Nakuru.a [Ikarus]	48
Win-Trojan/Xema.variant [AhnLab]	16

W32.Tupofse.B [Symantec] is known to be created as:

%System%\kspoold.exe

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).