SONAR.SelfHijack!gen1 is a heuristic detection that is designed to detect malware that uses anti-static analysis methods.
Files that are detected as SONAR.SelfHijack!gen1 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
Symantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":