Infected: Trojan-Downloader.Win32.Firu.aox removal

i have norton antivirus online from my ISP and it didn't detect this file with a virus. i found a trojan horse with kaspersky online scanner.

 

i found this trojan thing with the kaspersky online virun scanner. what is the removal tool?

KASPERSKY ONLINE SCANNER 7 REPORT
Tuesday, October 21, 2008
Operating System: Microsoft Windows XP Home Edition Service Pack 3 (build 2600)
Kaspersky Online Scanner 7 version: 7.0.25.0
Program database last update: Tuesday, October 21, 2008 02:02:48
Records in database: 1329907


Scan settings
Scan using the following database extended
Scan archives yes
Scan mail databases yes

Scan area My Computer
C:\
D:\

Scan statistics
Files scanned 51132
Threat name 1
Infected objects 1
Suspicious objects 0
Duration of the scan 01:20:11

File name Threat name Threats count
C:\WINDOWS\system32\8Ws5YFg2.exe Infected: Trojan-Downloader.Win32.Firu.aox 1

The selected area was scanned.

 

 This is the scan from virusscan.jotti of the infected file.

 

 

Scan taken on 21 Oct 2008 14:11:56 (GMT) A-Squared
Found nothing
AntiVir
Found TR/Crypt.ULPM.Gen
ArcaVir
Found nothing
Avast
Found Win32:Trojan-gen {Other}
AVG Antivirus
Found Downloader.Tiny.H
BitDefender
Found GenPack:Trojan.Downloader.Firu.I
ClamAV
Found nothing
CPsecure
Found Troj.Downloader.W32.Firu.aox
Dr.Web
Found nothing
F-Prot Antivirus
Found W32/Agent.BP.gen!Eldorado
F-Secure Anti-Virus
Found Trojan-Downloader.Win32.Firu.aox
G DATA
Found Win32:Trojan-gen
Ikarus
Found Trojan-Downloader.Firu.H
Kaspersky Anti-Virus
Found Trojan-Downloader.Win32.Firu.aox
NOD32
Found a variant of Win32/TrojanDownloader.Firu
Norman Virus Control
Found W32/Smalltroj.HJGX
Panda Antivirus
Found nothing
Sophos Antivirus
Found Mal/HckPk-A
VirusBuster
Found nothing
VBA32
Found Trojan-Downloader.Win32.Firu.acg

 

those are the logs. hope this helps
plz update the antivirus so i can remove this malware.

 

thanks