Nueva variante de RootKit DORKBOT aun no controlada por muchos AV (solo 9 de 43)

Una nueva muestra de DORKBOT ha sido cazada heuristicamente por el ELISTARA y pasamos a controlarla específicamente a partir de la versión 24.48 del ELISTARA de hoy
El preanalisis con virustotal nos ofrece el siguiente informe:

File name: CVSSSU.EXE.Muestra EliStartPage v24.47
Submission date: 2011-12-19 08:37:56 (UTC)
Current status: finished
Result: 9 /43 (20.9%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.12.18.00 2011.12.18 –
AntiVir 7.11.19.155 2011.12.18 –
Antiy-AVL 2.0.3.7 2011.12.19 –
Avast 6.0.1289.0 2011.12.18 Win32:IRCBot-EJN [Trj]
AVG 10.0.0.1190 2011.12.18 –
BitDefender 7.2 2011.12.19 –
ByteHero 1.0.0.1 2011.12.07 –
CAT-QuickHeal 12.00 2011.12.18 –
ClamAV 0.97.3.0 2011.12.19 –
Commtouch 5.3.2.6 2011.12.19 –
Comodo 11010 2011.12.19 –
DrWeb 5.0.2.03300 2011.12.19 Trojan.PWS.Siggen.29248
Emsisoft 5.1.0.11 2011.12.19 –
eSafe 7.0.17.0 2011.12.18 –
eTrust-Vet 37.0.9631 2011.12.19 –
F-Prot 4.6.5.141 2011.12.19 –
F-Secure 9.0.16440.0 2011.12.19 –
Fortinet 4.3.388.0 2011.12.19 –
GData 22 2011.12.19 Win32:IRCBot-EJN
Ikarus T3.1.1.109.0 2011.12.19 –
Jiangmin 13.0.900 2011.12.18 –
K7AntiVirus 9.119.5696 2011.12.15 –
Kaspersky 9.0.0.837 2011.12.19 UDS:DangerousObject.Multi.Generic
McAfee 5.400.0.1158 2011.12.19 –
McAfee-GW-Edition 2010.1E 2011.12.19 –
Microsoft 1.7903 2011.12.19 VirTool:Win32/VBInject
NOD32 6722 2011.12.19 a variant of Win32/Injector.MIE
Norman 6.07.13 2011.12.18 –
nProtect 2011-12-18.01 2011.12.18 –
Panda 10.0.3.5 2011.12.18 Suspicious file
PCTools 8.0.0.5 2011.12.19 Trojan.IRCBot
Prevx 3.0 2011.12.19 –
Rising 23.89.00.01 2011.12.19 –
Sophos 4.72.0 2011.12.19 –
SUPERAntiSpyware 4.40.0.1006 2011.12.17 –
Symantec 20111.2.0.82 2011.12.19 W32.IRCBot.NG!gen5
TheHacker 6.7.0.1.361 2011.12.18 –
TrendMicro 9.500.0.1008 2011.12.19 –
TrendMicro-HouseCall 9.500.0.1008 2011.12.19 –
VBA32 3.12.16.4 2011.12.14 –
VIPRE 11273 2011.12.19 –
ViRobot 2011.12.19.4832 2011.12.19 –
VirusBuster 14.1.122.1 2011.12.18 –
Additional informationShow all
MD5   : 3b2bb2915bf3643ce5acecd823b3d6b0
SHA1  : ff32fa2c52d06c22607792d8f091f59dff0c7951

File size : 360448 bytes

publisher….: IObit
copyright….: Copyright(c) 2005-2012
product……: Advanced SystemCare 5
description..: Advanced SystemCare 5
original name: n/a
internal name: n/a
file version.: 5.0.0.150
Dicha version que lo detecta y elimina estará disponible en nuestra web a partri de las 19 h CEST de hoy

saludos

ms, 19-12-2011