Nueva variante de SIREFEF cazado por la heuristica del ELISTARA

Otra muestra cazada por la heuristica del ELISIREF pasa a ser controlada especificamente a partir del ELISIREF 1.28 de hoy

El preanalisis de virustotal ofrece el siguiente informe:

File name: netbt.sys.Muestra EliSirefef v1.27
Submission date: 2011-12-29 17:17:25 (UTC)

Result: 11/ 43 (25.6%)
VT Community

malware
Safety score: 0.0%
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.12.29.04 2011.12.29 –
AntiVir 7.11.20.88 2011.12.29 TR/Sirefef.IM.2
Antiy-AVL 2.0.3.7 2011.12.29 –
Avast 6.0.1289.0 2011.12.29 Win32:Zeroot-B [Rtk]
AVG 10.0.0.1190 2011.12.29 –
BitDefender 7.2 2011.12.29 –
ByteHero 1.0.0.1 2011.12.07 –
CAT-QuickHeal 12.00 2011.12.29 –
ClamAV 0.97.3.0 2011.12.29 –
Commtouch 5.3.2.6 2011.12.29 –
Comodo 11131 2011.12.29 –
DrWeb 5.0.2.03300 2011.12.29 –
Emsisoft 5.1.0.11 2011.12.29 Rootkit.Win32.ZAccess!IK
eSafe 7.0.17.0 2011.12.29 –
eTrust-Vet 37.0.9652 2011.12.29 –
F-Prot 4.6.5.141 2011.12.28 –
F-Secure 9.0.16440.0 2011.12.29 –
Fortinet 4.3.388.0 2011.12.29 W32/ZAccess.G!tr.rkit
GData 22.324/22.612 2011.12.29 Win32:Zeroot-B
Ikarus T3.1.1.109.0 2011.12.29 Rootkit.Win32.ZAccess
Jiangmin 13.0.900 2011.12.29 –
K7AntiVirus 9.120.5806 2011.12.29 Riskware
Kaspersky 9.0.0.837 2011.12.29 –
McAfee 5.400.0.1158 2011.12.29 –
McAfee-GW-Edition 2010.1E 2011.12.29 –
Microsoft 1.7903 2011.12.29 TrojanDropper:Win32/Sirefef.B
NOD32 6753 2011.12.29 a variant of Win32/Rootkit.Kryptik.GX
Norman 6.07.13 2011.12.29 –
nProtect 2011-12-29.01 2011.12.29 –
Panda 10.0.3.5 2011.12.29 Suspicious file
PCTools 8.0.0.5 2011.12.29 –
Prevx 3.0 2011.12.29 –
Rising 23.90.03.02 2011.12.29 –
Sophos 4.72.0 2011.12.29 –
SUPERAntiSpyware 4.40.0.1006 2011.12.28 –
Symantec 20111.2.0.82 2011.12.29 –
TheHacker 6.7.0.1.367 2011.12.29 –
TrendMicro 9.500.0.1008 2011.12.29 –
TrendMicro-HouseCall 9.500.0.1008 2011.12.29 –
VBA32 3.12.16.4 2011.12.29 –
VIPRE 11321 2011.12.29 Trojan.Win32.Generic!BT
ViRobot 2011.12.29.4853 2011.12.29 –
VirusBuster 14.1.140.0 2011.12.29 –

Additional informationShow all

MD5   : 93bd64fa6891b636857dacfab32bbc95
SHA1  : 5d340ea5b14c992f90e11a1fcd57c86cb7c2c251

File size : 162816 bytes
Dicha version del ELISIREF 1.28 que lo detecta y elimina, estará disponible en nuestra web a partir de las 19 h CEST de hoy

saludos

ms, 29-12-2011