Hi,
It's a probably false positive.
Best Practice when Symantec Endpoint Protection or Symantec AntiVirus is Detecting a File that is Believed to be Safe
http://www.symantec.com/docs/TECH98360
Restoring a false positive file detection from the Symantec Endpoint Protection quarantine
http://www.symantec.com/docs/TECH150607
About managing false positives detected by TruScan proactive threat scans
http://www.symantec.com/docs/HOWTO27058
I would also recommend you to submit the Files to the Symantec Security Response Team.
You would have to Submit the Files to the Symantec Response Team on the Following Sites:
https://submit.symantec.com/false_positive/
https://submit.symantec.com/websubmit/gold.cgi
http://www.threatexpert.com/submit.aspx
Note: ThreatExpert is owned by Symantec.
Check technical details as well:
http://www.symantec.com/security_response/writeup.jsp?docid=2011-122605-0918-99&tabid=3