abest.exe is it a virus/trojan!

just hit "eTrust Antivirus Web Scanner" and it founds "abest.exe"
checked it with NOD the result is OK.
Then uploaded it to "jotti.org" the results are below

File: abest.exe
Status: INFECTED/MALWARE
Packers detected: PE_PATCH.PECOMPACT, PECBUNDLE, PECOMPACT
Scanner results
AntiVir Found TR/Dldr.Juntador.C
Avast Found nothing
AVG Antivirus Found nothing
BitDefender Found Trojan.Dropper.Agent.HH
ClamAV Found nothing
Dr.Web Found nothing
F-Prot Antivirus Found nothing
Fortinet Found nothing
Kaspersky Anti-Virus Found Trojan-Dropper.Win32.Agent.hh
mks_vir Found nothing
NOD32 Found nothing
Norman Virus Control Found nothing
VBA32 Found Embedded.Trojan-Downloader.Win32.Small.amg (probable variant)

Any advice please. Thanks

OS:XPSP2,IE6, NOD32,spywareblaster,spywareguard,M$ antispyware,spybot S&D,adaware etc,etc

 

Further search in C:windows/sestem32 this exe appears "abestlc.exe"
straight to jotti: results are


File: abestlc.exe
Status: INFECTED/MALWARE (Note: only non-destructive malware has been found. Considering the non-destructive nature of samples like these - although they can be a pain -, results will not be stored in the database.)
Packers detected: -
Scanner results
AntiVir Found nothing
Avast Found nothing
AVG Antivirus Found nothing
BitDefender Found Dropped:Adware.WinAD
ClamAV Found Worm.Mydoom.Gen-1
Dr.Web Found not a virus Adware.Winad
F-Prot Antivirus Found nothing
Fortinet Found nothing
Kaspersky Anti-Virus Found not-a-virus:AdWare.WinAD.e
mks_vir Found .Winadd
NOD32 Found nothing
Norman Virus Control Found nothing
VBA32 Found AdWare.WinAD.e

So please what are these files and if they are dangerous why NOD didnt detect them. Thanks

 

Apparently are only Adware. Submit them to Eset zipped to samples@eset.com or send it using the new beta feature.

 

alredy sent.
Thanks