Using heuristic analysis
Heuristic analysis is a special inspection method. It is used to analyze the activity of an object within the host system. If that activity is typical of harmful objects, then such object will be recognized as malicious or suspicious with sufficient probability even if the dangerous code in it is yet unknown to the anti-virus analysts.
You can select the level of heuristic analysis intensity:
If heuristic analysis reveals a malicious object, Kaspersky Internet Security will notify you about that and suggest appropriate handling for the detected object.
Heuristic analysis is enabled by default, the intensity level is set to medium scan.
To enable heuristic analysis and define its intensity level or disable it, perform the following steps: