Otro FAKE TOOL SYSTEM RESTORE, que oculta ficheros y carpetas, y apenas es controlado por los AV actuales:

Otra variante de este FAKE TOOL fastidioso ha sido cazado por la heuristica del ELISTARA y controlado a partir de la version de hoy 24.21

Los dos ficheros, dropper y scanner, que lo integran ofrecen estos informes en el preanalisis con el virustotal:

Dropper:
File name: test65263933000996.bin
Submission date: 2011-11-07 11:50:16 (UTC)
Current status: finished
Result: 1 /42 (2.4%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.06.00 2011.11.07 –
AntiVir 7.11.17.35 2011.11.07 –
Antiy-AVL 2.0.3.7 2011.11.07 –
Avast 6.0.1289.0 2011.11.07 –
AVG 10.0.0.1190 2011.11.06 –
BitDefender 7.2 2011.11.07 –
ByteHero 1.0.0.1 2011.11.04 –
CAT-QuickHeal 11.00 2011.11.07 –
ClamAV 0.97.3.0 2011.11.07 –
Commtouch 5.3.2.6 2011.11.07 –
Comodo 10695 2011.11.07 –
DrWeb 5.0.2.03300 2011.11.07 –
Emsisoft 5.1.0.11 2011.11.07 –
eSafe 7.0.17.0 2011.11.06 –
eTrust-Vet 36.1.8657 2011.11.05 –
F-Prot 4.6.5.141 2011.11.06 –
F-Secure 9.0.16440.0 2011.11.07 –
Fortinet 4.3.370.0 2011.11.06 W32/FakeAV.OZ!tr
GData 22 2011.11.07 –
Ikarus T3.1.1.107.0 2011.11.07 –
Jiangmin 13.0.900 2011.11.06 –
K7AntiVirus 9.117.5398 2011.11.05 –
Kaspersky 9.0.0.837 2011.11.07 –
McAfee 5.400.0.1158 2011.11.07 –
McAfee-GW-Edition 2010.1D 2011.11.07 –
Microsoft 1.7801 2011.11.07 –
NOD32 6607 2011.11.07 –
Norman 6.07.13 2011.11.06 –
nProtect 2011-11-07.02 2011.11.07 –
PCTools 8.0.0.5 2011.11.07 –
Prevx 3.0 2011.11.07 –
Rising 23.83.00.02 2011.11.07 –
Sophos 4.71.0 2011.11.07 –
SUPERAntiSpyware 4.40.0.1006 2011.11.05 –
Symantec 20111.2.0.82 2011.11.07 –
TheHacker 6.7.0.1.338 2011.11.06 –
TrendMicro 9.500.0.1008 2011.11.07 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.07 –
VBA32 3.12.16.4 2011.11.04 –
VIPRE 10988 2011.11.07 –
ViRobot 2011.11.7.4759 2011.11.07 –
VirusBuster 14.1.50.0 2011.11.07 –
Additional informationShow all
MD5   : 367b308d24dcec4298e93ad2d8c21433
SHA1  : 2bfc318801937df4667695fd74b97b7891f15f92

File size : 391000 bytes
___

scanner:

File name: 6DSS92C31APGJK.EXE.Muestra EliStartPage v24.20
Submission date: 2011-11-07 15:43:59 (UTC)
Current status: queued queued analysing finished
Result: 2/ 43 (4.7%)
VT Community

not reviewed
Safety score: –
Compact Print results Antivirus Version Last Update Result
AhnLab-V3 2011.11.07.00 2011.11.07 –
AntiVir 7.11.17.35 2011.11.07 –
Antiy-AVL 2.0.3.7 2011.11.07 –
Avast 6.0.1289.0 2011.11.07 –
AVG 10.0.0.1190 2011.11.07 –
BitDefender 7.2 2011.11.07 –
ByteHero 1.0.0.1 2011.11.04 –
CAT-QuickHeal 11.00 2011.11.07 –
ClamAV 0.97.3.0 2011.11.07 –
Commtouch 5.3.2.6 2011.11.07 –
Comodo 10697 2011.11.07 –
DrWeb 5.0.2.03300 2011.11.07 –
Emsisoft 5.1.0.11 2011.11.07 –
eSafe 7.0.17.0 2011.11.07 –
eTrust-Vet 36.1.8657 2011.11.05 –
F-Prot 4.6.5.141 2011.11.07 –
F-Secure 9.0.16440.0 2011.11.07 –
Fortinet 4.3.370.0 2011.11.06 W32/FakeAV.OZ!tr
GData 22 2011.11.07 –
Ikarus T3.1.1.107.0 2011.11.07 –
Jiangmin 13.0.900 2011.11.07 –
K7AntiVirus 9.117.5404 2011.11.07 –
Kaspersky 9.0.0.837 2011.11.07 –
McAfee 5.400.0.1158 2011.11.07 –
McAfee-GW-Edition 2010.1D 2011.11.07 –
Microsoft 1.7801 2011.11.07 –
NOD32 6608 2011.11.07 –
Norman 6.07.13 2011.11.07 –
nProtect 2011-11-07.02 2011.11.07 –
Panda 10.0.3.5 2011.11.06 –
PCTools 8.0.0.5 2011.11.07 –
Prevx 3.0 2011.11.07 –
Rising 23.83.00.02 2011.11.07 –
Sophos 4.71.0 2011.11.07 –
SUPERAntiSpyware 4.40.0.1006 2011.11.05 Trojan.Agent/Gen-Surchar
Symantec 20111.2.0.82 2011.11.07 –
TheHacker 6.7.0.1.338 2011.11.06 –
TrendMicro 9.500.0.1008 2011.11.07 –
TrendMicro-HouseCall 9.500.0.1008 2011.11.07 –
VBA32 3.12.16.4 2011.11.04 –
VIPRE 10989 2011.11.07 –
ViRobot 2011.11.7.4759 2011.11.07 –
VirusBuster 14.1.51.0 2011.11.07 –
Additional informationShow all
MD5   : ac5df6b2a7a7cabf591986f73adb1b71
SHA1  : 171b0644d45c5cbdcf138a2fa4381cc558453de4

File size : 307552 bytes

Dicha version del ELISTARA 24.21 que lo detecta y elimina, estará disponible en nuestra web a partir de las 19 h CEST de hoy

saludos

ms,7-11-2011