A bot NIS 2010 didn't detect !

Hi

 

This morning I did a scan of my computer and Malwarebytes free has detected a bot

 

Malwarebytes log :

 

 

Malwarebytes' Anti-Malware 1.41
Database version: 2941
Windows 6.1.7600

10/11/2009 9:38:26 AM
mbam-log-2009-10-11 (09-38-26).txt

Scan type: Full Scan (C:\|)
Objects scanned: 145698
Time elapsed: 16 minute(s), 23 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{1gf35d0j-78iu-pryv-8x8u-08ue4defrm57} (Generic.Bot.H) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Windows\System32\rund\rundll.exe (Generic.Bot.H) -> Quarantined and deleted successfully.


How come NIS 2010 Didn't detect this dangerous bot ?

IS NIS scan and detects malicious registry keys ?

 

Thanks for answering