Hello,

Bloodhound.Sonar.9 is a heuristic detection for processes based on certain attributes.

http://www.symantec.com/security_response/writeup.jsp?docid=2011-122605-0918-99

Files that are detected as Bloodhound.Sonar.9 may be malicious. We suggest that you submit any such files to Symantec Security Response. For instructions on how to do this using Scan and Deliver, read Submit Virus Samples.

Submitting suspicious files to Symantec allows us to ensure that our protection capabilities keep up with the ever-changing threat landscape. Submitted files are analyzed by Symantec Security Response and, where necessary, updated definitions are immediately distributed through LiveUpdate™ to all Symantec end points. This ensures that other computers nearby are protected from attack. The following resources may help in identifying suspicious files for submission to Symantec.

• Locate a sample of a threat
• Submit a suspicious file to Symantec
• Best Practice when Symantec Endpoint Protection or Symantec AntiVirus is Detecting a File that is Believed to be Safe
• About managing false positives detected by TruScan proactive threat scans

In case, you want to Whitelist an Application, then check this Article:

Software developer would like to add his/her software to the Symantec White-List.

http://www.symantec.com/docs/TECH132220

Hope that helps!!