A little deeper analysis reveals these may be from P2P pirate sites. As evidenced by sample #5 (adobe.photoshop.cs4.-patch.exe) which is an activation crack for photoshop.
I also did a little comparison table to see what the top rated (By AV-Comparatives) scanners found on Virus Total. None of the top 10 clearly indicated a problem.
AV scanner Samp 1 2 3 4 5 6
Gdata No No Yes No No No
Avira No Yes Yes No No No
TrustPoint No No No No No No
PC Tools No No No Yes No Yes
Symantec No No No Yes No Yes
F-Secure No No Yes No No No
ESET No Yes No No Yes No
BitDefender No No Yes No No No
Avast No No No No No No
Kaspersky No Yes Yes No No No
This Guy has been playing on the pirate sites,so he gets what he asked for.