Could be false-positive, well I truly hope so ... SUPERAntiSpyware free version found it's-self!- 
Trojan.Agent/Gen-Zbot
SUPERAntiSpyware Scan Log
http://www.superantispyware.com
Generated 05/28/2013 at 05:39 PM
Application Version : 5.6.1020
Core Rules Database Version : 10449
Trace Rules Database Version: 8261
Scan type : Complete Scan
Total Scan Time : 00:24:03
Operating System Information
Windows 7 Home Premium 64-bit, Service Pack 1 (Build 6.01.7601)
UAC On - Administrator
Memory items scanned : 769
Memory threats detected : 1
Registry items scanned : 71853
Registry threats detected : 0
File items scanned : 47419
File threats detected : 2
Trojan.Agent/Gen-Zbot
C:\PROGRAM FILES\SUPERANTISPYWARE\SUPERANTISPYWARE.EXE
C:\PROGRAM FILES\SUPERANTISPYWARE\SUPERANTISPYWARE.EXE
C:\Windows\Prefetch\SUPERANTISPYWARE.EXE-35E59EB7.pf