Well again I come across to a threat which is detected by few AVS, this time including Kaspersky Scanner as “Trojan.Win32.Qhost.ot“, however other front line paid scanners, such as, Norton, NOD32 (ESET) and one of the trusted Free scanner Avast fails to detect the threat….

File Crypted.exe received on 11.05.2007 17:40:04 (CET)
Antivirus Version Last Update Result
AhnLab-V3 2007.11.6.0 2007.11.05 -
AntiVir 7.6.0.30 2007.11.05 TR/Qhost.OT.2
Authentium 4.93.8 2007.11.03 -
Avast 4.7.1074.0 2007.11.05 -
AVG 7.5.0.503 2007.11.05 IRC/BackDoor.SdBot3.SWA
BitDefender 7.2 2007.11.05 Trojan.Loader.RBot.A
CAT-QuickHeal 9.00 2007.11.05 -
ClamAV 0.91.2 2007.11.05 Trojan.Qhost-37
DrWeb 4.44.0.09170 2007.11.05 -
eSafe 7.0.15.0 2007.10.28 -
eTrust-Vet 31.2.5264 2007.11.02 -
Ewido 4.0 2007.11.05 -
FileAdvisor 1 2007.11.05 -
Fortinet 3.11.0.0 2007.10.19 W32/Qhost.OT!tr
F-Prot 4.4.2.54 2007.11.05 -
F-Secure 6.70.13030.0 2007.11.05 Trojan.Win32.Qhost.ot
Ikarus T3.1.1.12 2007.11.05 Backdoor.Win32.Rbot.eab
Kaspersky 7.0.0.125 2007.11.05 Trojan.Win32.Qhost.ot
McAfee 5155 2007.11.02 -
Microsoft 1.2908 2007.11.05 VirTool:Win32/DelfInject.gen!S
NOD32v2 2637 2007.11.05 -
Norman 5.80.02 2007.11.05 -
Panda 9.0.0.4 2007.11.04 Trj/Spambot.C
Prevx1 V2 2007.11.05 -
Rising 20.17.01.00 2007.11.05 Trojan.Win32.QHost.nn
Sophos 4.23.0 2007.11.05 Mal/Behav-154
Sunbelt 2.2.907.0 2007.11.02 -
Symantec 10 2007.11.05 -
TheHacker 6.2.9.116 2007.11.05 -
VBA32 3.12.2.4 2007.11.05 Backdoor.Win32.Rbot.eab
VirusBuster 4.3.26:9 2007.11.05 -
Webwasher-Gateway 6.6.1 2007.11.05 Trojan.Qhost.OT.2
 
Additional information
File size: 140800 bytes
MD5: 72a5fb844082d8cf31c6a86c023cc591
SHA1: 202e8c9bffb05deda5325bc7939ccfcc9749b36f

I have tried to upload the file at Yahoo eMail account of mine, and I can successfully upload the file there, which is a clear indication that Norton AntiVirus 2007 also failed to detect the file…

As usual, I have notified NOD32 and Avast by sending them the infected file… Will update the post with their reply !!!

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