Nueva variante de SIREFEF cazada por la heuristica del ELISIREF

Una nueva variante de SIREFEF ha sido cazada heuristicamente por el ELISIREF y pasada a controlar especificamente a partir del ELISIREF 1.27 de hoy

El preanalisis de virustotal ofrece el siguiente informe:
File name: netbt.sys.Muestra EliSirefef v1.26
Submission date: 2011-12-27 09:24:49 (UTC)

Result: 20/ 43 (46.5%)
VT Community

malware
Safety score: 0.0%
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.12.26.00 2011.12.26 –
AntiVir 7.11.20.22 2011.12.27 TR/Rootkit.Gen
Antiy-AVL 2.0.3.7 2011.12.27 –
Avast 6.0.1289.0 2011.12.27 Win32:Zeroot-B [Rtk]
AVG 10.0.0.1190 2011.12.26 Hider.OQP
BitDefender 7.2 2011.12.27 Gen:Variant.Zusy.506
ByteHero 1.0.0.1 2011.12.07 –
CAT-QuickHeal 12.00 2011.12.27 –
ClamAV 0.97.3.0 2011.12.26 –
Commtouch 5.3.2.6 2011.12.27 –
Comodo 11105 2011.12.27 UnclassifiedMalware
DrWeb 5.0.2.03300 2011.12.27 –
Emsisoft 5.1.0.11 2011.12.27 Rootkit.Win32.ZAccess!IK
eSafe 7.0.17.0 2011.12.25 –
eTrust-Vet 37.0.9648 2011.12.27 –
F-Prot 4.6.5.141 2011.12.26 –
F-Secure 9.0.16440.0 2011.12.27 Gen:Variant.Zusy.506
Fortinet 4.3.388.0 2011.12.27 W32/ZAccess.G!tr.rkit
GData 22.322/22.607 2011.12.27 Gen:Variant.Zusy.506
Ikarus T3.1.1.109.0 2011.12.27 Rootkit.Win32.ZAccess
Jiangmin 13.0.900 2011.12.26 –
K7AntiVirus 9.120.5775 2011.12.26 Riskware
Kaspersky 9.0.0.837 2011.12.27 HEUR:Trojan.Win32.Generic
McAfee 5.400.0.1158 2011.12.27 Artemis!4313E5A51E83
McAfee-GW-Edition 2010.1E 2011.12.26 Artemis!4313E5A51E83
Microsoft 1.7903 2011.12.27 TrojanDropper:Win32/Sirefef.B
NOD32 6744 2011.12.27 –
Norman 6.07.13 2011.12.26 W32/Suspicious_Gen2.UKXJG
nProtect 2011-12-26.01 2011.12.26 –
Panda 10.0.3.5 2011.12.26 Trj/CI.A
PCTools 8.0.0.5 2011.12.27 –
Prevx 3.0 2011.12.27 –
Rising 23.90.01.02 2011.12.27 –
Sophos 4.72.0 2011.12.27 –
SUPERAntiSpyware 4.40.0.1006 2011.12.24 –
Symantec 20111.2.0.82 2011.12.27 –
TheHacker 6.7.0.1.365 2011.12.25 –
TrendMicro 9.500.0.1008 2011.12.27 TROJ_GEN.R47C7LP
TrendMicro-HouseCall 9.500.0.1008 2011.12.27 TROJ_GEN.R47C7LP
VBA32 3.12.16.4 2011.12.26 –
VIPRE 11310 2011.12.27 Trojan.Win32.Generic!BT
ViRobot 2011.12.27.4848 2011.12.27 –
VirusBuster 14.1.134.1 2011.12.26 –
Additional informationShow all
MD5   : 4313e5a51e83961c4a61adaf75ceec15
SHA1  : a9525079ed2fbee619a33256b3bf5bb562df5fa4

File size : 162816 bytes
Dicha version del ELISIREF 1.27 que lo detecta y elimina, estará disponible en nuestra web a partir de laS 19 H CEST de hoy

saludos

ms, 27-12-2011