netz.exe, avast still detect nothing

[mayday]

i submitted couple of weeks ago a filename netz.exe  to jotti .......avast found nothing .
Then i submitted the file to avast to solve the problem but ....nothing yet.

 AntiVir -Found Worm/Wootbot.302080
ArcaVir-Found Trojan.Wootbot.Gen.301674.MX
Avast    -Found nothing
AVG Antivirus -Found BackDoor.Wootbot.8.A
BitDefender -Found Backdoor.SDBot.48E00642
ClamAV    -Found nothing
Dr.Web    -Found Win32.HLLW.ForBot
F-Prot Antivirus-Found W32/Spybot.KGL
Fortinet -Found W32/ForBot.F294
Kaspersky Anti-Virus -Found Backdoor.Win32.Wootbot.gen
NOD32 -Found a variant of Win32/Wootbot
Norman Virus Control -Found W32/SDBot.GIA
VBA32    -Found Backdoor.Win32.Wootbot.gen

[polonus]

Hi mayday,

There are many varieties of wootbot, that use a vulnerability. See here:
http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx for instructions.

greets,

polonus