It was really BitDefender's false alarm, their BAT heuristics failed.
Thanks, Peter... I´m glad to be protected with avast!
Here are the log of BitDefender 7.0 Free edition false alarm...
...Nero...adapceq.zip=>UPDATE.BAT Suspect BAT.Generic
...Nero...adapceq.zip=>UPDATE.BAT Disinfection failed - Trying second action
...Nero...adapceq.zip=>UPDATE.BAT Move failed
...Nero...gear.zip=>UPDATE.BAT Suspect BAT.Generic
...Nero...gear.zip=>UPDATE.BAT Disinfection failed - Trying second action
...Nero...gear.zip=>UPDATE.BAT Move failed
...Nero...iomega.zip=>UPDATE.BAT Suspect BAT.Generic
...Nero...iomega.zip=>UPDATE.BAT Disinfection failed - Trying second action
...Nero...iomega.zip=>UPDATE.BAT Move failed
...Nero...universa.zip=>UPDATE.BAT Suspect BAT.Generic
...Nero...universa.zip=>UPDATE.BAT Disinfection failed - Trying second action
...Nero...universa.zip=>UPDATE.BAT Move failed
Statistics
Identified viruses : 0
Infected files : 0
Warnings : 0
Suspect files : 8
Disinfected files : 0
Deleted files : 0
Copied files : 0
Moved files : 0
Renamed files : 0
I/O errors : 27
Scan time : 01:49:37
Scan speed (files/sec) : 72
Virus definitions : 74933
Scan plugins : 11
Archive plugins : 35
Unpack plugins : 2
Mail plugins : 6
System plugins : 1
Scan options
Detection
[X] Scan boot sectors
[X] Scan archives
[X] Scan packed files
[X] Scan email
File mask
[ ] Programs
[X] All files
[ ] User defined extensions:
[ ] Exclude extensions: ;
Action
Infected objects
[ ] Ignore
[X] Disinfect
[ ] Delete
[ ] Copy to quarantine
[ ] Move to quarantine
[ ] Rename
[ ] Prompt user
Second action
[ ] Ignore
[ ] Delete
[ ] Copy to quarantine
[X] Move to quarantine
[ ] Rename
[ ] Prompt user
Scan options
[X] Enable warnings
[X] Enable heuristics
[ ] Show all files in log
[X] Report file: vscan.log
[ ] Append to existing report