FILE IS CLEAN!
Clamav
QGIS-OSGeo4W-1.8.0-2-Setup.exe: OK
----------- SCAN SUMMARY -----------
Infected files: 0
Time: 0.000 sec (0 m 0 s)

FILE IS CLEAN!
F-Prot
Results:
Files: 1
Objects scanned: 12335
Infected objects: 0
Files with errors: 0
Running time: 00:16

FILE IS CLEAN!
AntiVir

------ scan results ------
   file: 
 scanned files:        1
        alerts:        0
    suspicious:        0
     scan time: 00:00:01

FILE IS CLEAN!
BitDefender
Error: core initialization failed: Libfn initialization failed

FILE IS CLEAN!
AVG 
Scanned: 1 file
Infections: 0