I hadn't! Here's the results after following your instructions
ROOTREPEAL (c) AD, 2007-2009
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Scan Start Time: 2009/08/19 22:59
Program Version: Version 1.3.5.0
Windows Version: Windows XP SP2
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Drivers
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Name: dump_atapi.sys
Image Path: C:\WINDOWS\System32\Drivers\dump_atapi.sys
Address: 0xF70A8000 Size: 98304 File Visible: No Signed: -
Status: -
Name: dump_WMILIB.SYS
Image Path: C:\WINDOWS\System32\Drivers\dump_WMILIB.SYS
Address: 0xF7D48000 Size: 8192 File Visible: No Signed: -
Status: -
Name: rootrepeal.sys
Image Path: C:\WINDOWS\system32\drivers\rootrepeal.sys
Address: 0xF6AF8000 Size: 49152 File Visible: No Signed: -
Status: -
Hidden/Locked Files
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Path: c:\windows\temp\perflib_perfdata_24c.dat
Status: Allocation size mismatch (API: 16384, Raw: 0)
Path: c:\documents and settings\fergus brett\local settings\temp\perflib_perfdata_2a0.dat
Status: Allocation size mismatch (API: 16384, Raw: 0)
Path: C:\Documents and Settings\Fergus Brett\Local Settings\Application Data\Mozilla\Firefox\Profiles\3nd9tlup.default\Cache\2FA9F436d01
Status: Visible to the Windows API, but not on disk.
Path: C:\Documents and Settings\Fergus Brett\Local Settings\Application Data\Mozilla\Firefox\Profiles\3nd9tlup.default\Cache\F6A840F6d01
Status: Visible to the Windows API, but not on disk.
Path: C:\Documents and Settings\Fergus Brett\Local Settings\Application Data\Mozilla\Firefox\Profiles\3nd9tlup.default\Cache\FAB4475Fd01
Status: Visible to the Windows API, but not on disk.
Stealth Objects
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Object: Hidden Module [Name: svchost.exe]
Process: svchost.exe (PID: 1384) Address: 0x01000000 Size: 20480
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