Nuevos malwares que descarga la ultima variante del Downloader BANBRA

El Banbra es un descargador de troyanos tipo PWS Banker, y en esta ocasion ha generado 2 EXES y 1 DLL:

La DLL es legítima:

File name: libmysql41.dll
Submission date: 2010-12-15 12:41:48 (UTC)
Current status: queued queued (#16) analysing finished

Result: 0/ 42 (0.0%)

pero los otros dos EXES son los troyanos:

File name: cpoutlook.exe
Submission date: 2010-12-15 12:44:59 (UTC)
Current status: queued queued analysing finished
Result: 14/ 42 (33.3%)   VT Community

not reviewed
 Safety score: – 
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2010.12.15.02 2010.12.15 –
AntiVir 7.11.0.40 2010.12.15 TR/Crypt.Delf.X.612
Antiy-AVL 2.0.3.7 2010.12.15 –
Avast 4.8.1351.0 2010.12.15 Win32:Rootkit-gen
Avast5 5.0.677.0 2010.12.15 Win32:Rootkit-gen
AVG 9.0.0.851 2010.12.15 –
BitDefender 7.2 2010.12.15 Trojan.Crypt.Delf.X
CAT-QuickHeal 11.00 2010.12.15 –
ClamAV 0.96.4.0 2010.12.15 –
Command 5.2.11.5 2010.12.15 –
Comodo 7070 2010.12.15 –
DrWeb 5.0.2.03300 2010.12.15 –
eSafe 7.0.17.0 2010.12.14 –
eTrust-Vet 36.1.8042 2010.12.15 –
F-Prot 4.6.2.117 2010.12.14 –
F-Secure 9.0.16160.0 2010.12.15 Trojan.Crypt.Delf.X
Fortinet 4.2.254.0 2010.12.15 –
GData 21 2010.12.15 Trojan.Crypt.Delf.X
Ikarus T3.1.1.90.0 2010.12.15 Trojan.Crypt
Jiangmin 13.0.900 2010.12.15 –
K7AntiVirus 9.72.3246 2010.12.14 –
Kaspersky 7.0.0.125 2010.12.15 –
McAfee 5.400.0.1158 2010.12.15 Artemis!D4998DDB4E74
McAfee-GW-Edition 2010.1C 2010.12.15 Artemis!D4998DDB4E74
Microsoft 1.6402 2010.12.15 –
NOD32 5704 2010.12.15 a variant of Win32/Spy.Delf.OLX
Norman 6.06.12 2010.12.15 –
nProtect 2010-12-15.02 2010.12.15 Trojan.Crypt.Delf.X
Panda 10.0.2.7 2010.12.15 Trj/Banbra.GWA
PCTools 7.0.3.5 2010.12.15 Trojan.Gen
Prevx 3.0 2010.12.15 –
Rising 22.78.01.04 2010.12.15 –
Sophos 4.60.0 2010.12.15 –
SUPERAntiSpyware 4.40.0.1006 2010.12.15 –
Symantec 20101.3.0.103 2010.12.15 Trojan.Gen
TheHacker 6.7.0.1.101 2010.12.15 –
TrendMicro 9.120.0.1004 2010.12.15 –
TrendMicro-HouseCall 9.120.0.1004 2010.12.15 –
VBA32 3.12.14.2 2010.12.14 –
VIPRE 7660 2010.12.15 –
ViRobot 2010.12.15.4202 2010.12.15 –
VirusBuster 13.6.95.0 2010.12.15 –
Additional informationShow all 
MD5   : d4998ddb4e74fa176c96fe6ee9c1496e
SHA1  : fb1bf817abf3d11c30fb5b1d80313902738cca69
File size : 393728 bytes

y el “grande” que solo es detectado por muy pocos antivirus actualmente:

File name: Live.exe
Submission date: 2010-12-15 12:49:51 (UTC)
Current status: queued queued analysing finished
Result: 9/ 43 (20.9%)  VT Community

not reviewed
 Safety score: – 
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2010.12.15.02 2010.12.15 –
AntiVir 7.11.0.40 2010.12.15 –
Antiy-AVL 2.0.3.7 2010.12.15 –
Avast 4.8.1351.0 2010.12.15 –
Avast5 5.0.677.0 2010.12.15 –
AVG 9.0.0.851 2010.12.15 –
BitDefender 7.2 2010.12.15 Gen:Trojan.Heur.@RW@tr@3H!cOh
CAT-QuickHeal 11.00 2010.12.15 –
ClamAV 0.96.4.0 2010.12.15 BC.Heuristic.Trojan.SusPacked.TMS
Command 5.2.11.5 2010.12.15 –
Comodo 7070 2010.12.15 –
DrWeb 5.0.2.03300 2010.12.15 –
Emsisoft 5.1.0.1 2010.12.15 –
eSafe 7.0.17.0 2010.12.14 –
eTrust-Vet 36.1.8042 2010.12.15 –
F-Prot 4.6.2.117 2010.12.14 –
F-Secure 9.0.16160.0 2010.12.15 Gen:Trojan.Heur.@RW@tr@3H!cOh
Fortinet 4.2.254.0 2010.12.15 –
GData 21 2010.12.15 Gen:Trojan.Heur.@RW@tr@3H!cOh
Ikarus T3.1.1.90.0 2010.12.15 –
Jiangmin 13.0.900 2010.12.15 –
K7AntiVirus 9.72.3246 2010.12.14 Trojan
Kaspersky 7.0.0.125 2010.12.15 Trojan-Banker.Win32.Banker.bebm
McAfee 5.400.0.1158 2010.12.15 –
McAfee-GW-Edition 2010.1C 2010.12.15 –
Microsoft 1.6402 2010.12.15 –
NOD32 5704 2010.12.15 a variant of Win32/Spy.Banker.TQD
Norman 6.06.12 2010.12.15 W32/Obfuscated.F!genr
nProtect 2010-12-15.02 2010.12.15 –
Panda 10.0.2.7 2010.12.15 Trj/Banbra.GWA
PCTools 7.0.3.5 2010.12.15 –
Prevx 3.0 2010.12.15 –
Rising 22.78.01.04 2010.12.15 –
Sophos 4.60.0 2010.12.15 –
SUPERAntiSpyware 4.40.0.1006 2010.12.15 –
Symantec 20101.3.0.103 2010.12.15 –
TheHacker 6.7.0.1.101 2010.12.15 –
TrendMicro 9.120.0.1004 2010.12.15 –
TrendMicro-HouseCall 9.120.0.1004 2010.12.15 –
VBA32 3.12.14.2 2010.12.14 –
VIPRE 7660 2010.12.15 –
ViRobot 2010.12.15.4202 2010.12.15 –
VirusBuster 13.6.95.0 2010.12.15 –
Additional informationShow all 
MD5   : 216010527bbebd19ad925f6afc647444
SHA1  : 4fece996106c5aa3475c1a7a6ba146b0643c5f93

File size : 4602368 bytes

Con el ELISTARA de hoy, 22.20 pasamos a controlarlos como BANBRA.GWA, tanto al DLDR descargador como a los descargados.

saludos

ms, 15-12-2010