This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature generically detects an attempt to exploit a buffer overflow vulnerability either in a browser or in an ActiveX control.
Successfully exploiting this issue allows remote attackers to execute arbitrary code in the context of the application.
The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.
1. Disable System Restore (Windows Me/XP).
2. Update the virus definitions.
3. Run a full system scan.