Nuevas variantes de malwares tipo Katushas, generados por el BUZUS

4 ó 5 (uno de ello se autoelimina) ficheros fueron generados por un Dropper del Buzus, como acostumbra a hacer con los Katushas, y los pasamos a controlar a partir del ELISTARA 24.24 de hoy

Los preanalisis del VirusTotal de las muestras que han persistido, ofrecen los siguientes informes:

File name: athost.exe
Submission date: 2011-11-10 16:25:48 (UTC)

Result: 17/ 43 (39.5%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.10.00 2011.11.10 Trojan/Win32.Sasfis
AntiVir 7.11.17.121 2011.11.10 –
Antiy-AVL 2.0.3.7 2011.11.10 –
Avast 6.0.1289.0 2011.11.10 –
AVG 10.0.0.1190 2011.11.10 PSW.Generic9.AMQU
BitDefender 7.2 2011.11.10 Trojan.Generic.KDV.399472
ByteHero 1.0.0.1 2011.11.04 Trojan.Win32.Heur.089
CAT-QuickHeal 11.00 2011.11.10 –
ClamAV 0.97.3.0 2011.11.10 –
Commtouch 5.3.2.6 2011.11.10 W32/DelfCrypt.A.gen!Eldorado
Comodo 10735 2011.11.10 –
DrWeb 5.0.2.03300 2011.11.10 BackDoor.Spy.1297
Emsisoft 5.1.0.11 2011.11.10 –
eSafe 7.0.17.0 2011.11.09 –
eTrust-Vet 37.0.9562 2011.11.10 –
F-Prot 4.6.5.141 2011.11.10 W32/DelfCrypt.A.gen!Eldorado
F-Secure 9.0.16440.0 2011.11.10 Trojan.Generic.KDV.399472
Fortinet 4.3.370.0 2011.11.10 W32/Yoddos.GG!tr
GData 22 2011.11.10 Trojan.Generic.KDV.399472
Ikarus T3.1.1.109.0 2011.11.10 Trojan-Spy.Win32.SpyEyes
Jiangmin 13.0.900 2011.11.10 –
K7AntiVirus 9.119.5433 2011.11.10 Spyware
Kaspersky 9.0.0.837 2011.11.10 Trojan-Spy.Win32.SpyEyes.qmg
McAfee 5.400.0.1158 2011.11.10 Generic BackDoor.uj
McAfee-GW-Edition 2010.1D 2011.11.10 Artemis!6B7D55916646
Microsoft 1.7801 2011.11.10 –
NOD32 6618 2011.11.10 a variant of Win32/Injector.KTW
Norman 6.07.13 2011.11.10 –
nProtect 2011-11-10.01 2011.11.10 –
Panda 10.0.3.5 2011.11.10 –
PCTools 8.0.0.5 2011.11.10 –
Prevx 3.0 2011.11.10 –
Rising 23.83.01.01 2011.11.08 –
Sophos 4.71.0 2011.11.10 –
SUPERAntiSpyware 4.40.0.1006 2011.11.10 –
Symantec 20111.2.0.82 2011.11.10 –
TheHacker 6.7.0.1.341 2011.11.10 –
TrendMicro 9.500.0.1008 2011.11.10 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.10 –
VBA32 3.12.16.4 2011.11.10 –
VIPRE 11012 2011.11.10 Trojan.Win32.Generic!BT
ViRobot 2011.11.10.4766 2011.11.10 –
VirusBuster 14.1.56.0 2011.11.10 –
Additional informationShow all
MD5   : 6b7d559166467ef651497836feef65e3
SHA1  : 9edda6cd07a1960ba52abe17fc7402ff93d44ce6

File size : 269352 bytes
_____
File name: bthost.exe
Submission date: 2011-11-10 16:29:18 (UTC)
Current status: queued (#4) queued (#5) analysing finished
Result: 18/ 43 (41.9%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.10.00 2011.11.10 Trojan/Win32.Sasfis
AntiVir 7.11.17.121 2011.11.10 –
Antiy-AVL 2.0.3.7 2011.11.10 –
Avast 6.0.1289.0 2011.11.10 –
AVG 10.0.0.1190 2011.11.10 PSW.Generic9.AMQU
BitDefender 7.2 2011.11.10 Trojan.Generic.KDV.399472
ByteHero 1.0.0.1 2011.11.04 Trojan.Win32.Heur.089
CAT-QuickHeal 11.00 2011.11.10 –
ClamAV 0.97.3.0 2011.11.10 –
Commtouch 5.3.2.6 2011.11.10 W32/DelfCrypt.A.gen!Eldorado
Comodo 10735 2011.11.10 UnclassifiedMalware
DrWeb 5.0.2.03300 2011.11.10 BackDoor.Spy.1297
Emsisoft 5.1.0.11 2011.11.10 Trojan-Spy.Win32.SpyEyes!IK
eSafe 7.0.17.0 2011.11.09 –
eTrust-Vet 37.0.9562 2011.11.10 –
F-Prot 4.6.5.141 2011.11.10 W32/DelfCrypt.A.gen!Eldorado
F-Secure 9.0.16440.0 2011.11.10 Trojan.Generic.KDV.399472
Fortinet 4.3.370.0 2011.11.10 W32/Yoddos.GG!tr
GData 22 2011.11.10 Trojan.Generic.KDV.399472
Ikarus T3.1.1.109.0 2011.11.10 Trojan-Spy.Win32.SpyEyes
Jiangmin 13.0.900 2011.11.10 –
K7AntiVirus 9.119.5433 2011.11.10 Spyware
Kaspersky 9.0.0.837 2011.11.10 Trojan-Spy.Win32.SpyEyes.qmg
McAfee 5.400.0.1158 2011.11.10 Generic BackDoor.uj
McAfee-GW-Edition 2010.1D 2011.11.10 Artemis!F28E94CE3367
Microsoft 1.7801 2011.11.10 –
NOD32 6618 2011.11.10 Win32/Slenfbot.AJ
Norman 6.07.13 2011.11.10 –
nProtect 2011-11-10.01 2011.11.10 –
Panda 10.0.3.5 2011.11.10 –
PCTools 8.0.0.5 2011.11.10 –
Prevx 3.0 2011.11.10 –
Rising 23.83.01.01 2011.11.08 –
Sophos 4.71.0 2011.11.10 –
SUPERAntiSpyware 4.40.0.1006 2011.11.10 –
Symantec 20111.2.0.82 2011.11.10 –
TheHacker 6.7.0.1.341 2011.11.10 –
TrendMicro 9.500.0.1008 2011.11.10 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.10 –
VBA32 3.12.16.4 2011.11.10 –
VIPRE 11012 2011.11.10 –
ViRobot 2011.11.10.4766 2011.11.10 –
VirusBuster 14.1.57.0 2011.11.10 –
Additional informationShow all
MD5   : f28e94ce33674d8cf13f31bb5f20f745
SHA1  : e79332b18af7b31caa195956c23303d35c2808c8

File size : 156712 bytes
________
File name: cthost.exe
Submission date: 2011-11-10 16:31:38 (UTC)
Current status: queued (#4) queued analysing finished
Result: 15/ 43 (34.9%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.10.00 2011.11.10 –
AntiVir 7.11.17.121 2011.11.10 –
Antiy-AVL 2.0.3.7 2011.11.10 –
Avast 6.0.1289.0 2011.11.10 Win32:Cycbot-OE [Trj]
AVG 10.0.0.1190 2011.11.10 –
BitDefender 7.2 2011.11.10 Gen:Variant.Kazy.43332
ByteHero 1.0.0.1 2011.11.04 –
CAT-QuickHeal 11.00 2011.11.10 –
ClamAV 0.97.3.0 2011.11.10 –
Commtouch 5.3.2.6 2011.11.10 –
Comodo 10735 2011.11.10 –
DrWeb 5.0.2.03300 2011.11.10 BackDoor.Gbot.1521
Emsisoft 5.1.0.11 2011.11.10 –
eSafe 7.0.17.0 2011.11.09 –
eTrust-Vet 37.0.9562 2011.11.10 –
F-Prot 4.6.5.141 2011.11.10 –
F-Secure 9.0.16440.0 2011.11.10 Gen:Variant.Kazy.43332
Fortinet 4.3.370.0 2011.11.10 –
GData 22 2011.11.10 Gen:Variant.Kazy.43332
Ikarus T3.1.1.109.0 2011.11.10 –
Jiangmin 13.0.900 2011.11.10 –
K7AntiVirus 9.119.5433 2011.11.10 –
Kaspersky 9.0.0.837 2011.11.10 Trojan.Win32.Jorik.Gbot.rfj
McAfee 5.400.0.1158 2011.11.10 BackDoor-EXI.gen.aa
McAfee-GW-Edition 2010.1D 2011.11.10 –
Microsoft 1.7801 2011.11.10 Backdoor:Win32/Cycbot.G
NOD32 6618 2011.11.10 a variant of Win32/Kryptik.VFG
Norman 6.07.13 2011.11.10 W32/Cycbot.EH
nProtect 2011-11-10.01 2011.11.10 Gen:Variant.Kazy.43332
Panda 10.0.3.5 2011.11.10 Suspicious file
PCTools 8.0.0.5 2011.11.10 –
Prevx 3.0 2011.11.10 –
Rising 23.83.01.01 2011.11.08 –
Sophos 4.71.0 2011.11.10 Mal/FakeAV-IS
SUPERAntiSpyware 4.40.0.1006 2011.11.10 –
Symantec 20111.2.0.82 2011.11.10 –
TheHacker 6.7.0.1.341 2011.11.10 –
TrendMicro 9.500.0.1008 2011.11.10 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.10 TROJ_GEN.RC1C7KA
VBA32 3.12.16.4 2011.11.10 –
VIPRE 11012 2011.11.10 Trojan.Win32.Generic!BT
ViRobot 2011.11.10.4766 2011.11.10 –
VirusBuster 14.1.57.0 2011.11.10 –
Additional informationShow all
MD5   : da7eb330833b1163b08442d6e577a00d
SHA1  : 9c0fbbbd11f43870b8702ed9f40651ac39fd98f8

File size : 284672 bytes
_____
File name: ethost.exe
Submission date: 2011-11-10 16:33:44 (UTC)
Current status: queued (#2) queued (#3) analysing finished
Result: 6/ 43 (14.0%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.10.00 2011.11.10 Trojan/Win32.VB
AntiVir 7.11.17.121 2011.11.10 –
Antiy-AVL 2.0.3.7 2011.11.10 –
Avast 6.0.1289.0 2011.11.10 –
AVG 10.0.0.1190 2011.11.10 –
BitDefender 7.2 2011.11.10 –
ByteHero 1.0.0.1 2011.11.04 –
CAT-QuickHeal 11.00 2011.11.10 –
ClamAV 0.97.3.0 2011.11.10 –
Commtouch 5.3.2.6 2011.11.10 –
Comodo 10735 2011.11.10 UnclassifiedMalware
DrWeb 5.0.2.03300 2011.11.10 Trojan.Siggen3.16209
Emsisoft 5.1.0.11 2011.11.10 –
eSafe 7.0.17.0 2011.11.09 –
eTrust-Vet 37.0.9562 2011.11.10 –
F-Prot 4.6.5.141 2011.11.10 –
F-Secure 9.0.16440.0 2011.11.10 –
Fortinet 4.3.370.0 2011.11.10 –
GData 22 2011.11.10 –
Ikarus T3.1.1.109.0 2011.11.10 –
Jiangmin 13.0.900 2011.11.10 –
K7AntiVirus 9.119.5433 2011.11.10 –
Kaspersky 9.0.0.837 2011.11.10 HEUR:Trojan.Win32.Generic
McAfee 5.400.0.1158 2011.11.10 Artemis!B38B2A8C25EF
McAfee-GW-Edition 2010.1D 2011.11.10 Artemis!B38B2A8C25EF
Microsoft 1.7801 2011.11.10 –
NOD32 6618 2011.11.10 –
Norman 6.07.13 2011.11.10 –
nProtect 2011-11-10.01 2011.11.10 –
Panda 10.0.3.5 2011.11.10 –
PCTools 8.0.0.5 2011.11.10 –
Prevx 3.0 2011.11.10 –
Rising 23.83.01.01 2011.11.08 –
Sophos 4.71.0 2011.11.10 –
SUPERAntiSpyware 4.40.0.1006 2011.11.10 –
Symantec 20111.2.0.82 2011.11.10 –
TheHacker 6.7.0.1.341 2011.11.10 –
TrendMicro 9.500.0.1008 2011.11.10 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.10 –
VBA32 3.12.16.4 2011.11.10 –
VIPRE 11012 2011.11.10 –
ViRobot 2011.11.10.4766 2011.11.10 –
VirusBuster 14.1.57.0 2011.11.10 –
Additional informationShow all
MD5   : b38b2a8c25efb39b245dbfa6c1ccc29b
SHA1  : 62fda766006bfbccbfaade649ceb29764c216ea4

File size : 24576 bytes
Dicha version del ELISTARA 24.24 que los detecta y elimina a todos ellos, incluido al dropper que los genera, estará disponible en nuestra web a partir de las 19 h CEST de hoy

saludos

ms, 10-11-2011