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Heuristic

Classification

Category:

Malware

Type:

Other

Aliases:

  • HEUR/APC
  • Heuristic
  • Gen:Heur
  • Gen:Trojan.Heur
  • Memscan:[variant]
  • Deepscan:generic.malware

Summary

This heuristic detection indicates that the program or file contains instructions for harmful actions, or behaves similarly to known harmful programs.

Security programs use heuristic detections to identify programs or files that can perform harmful actions. If you suspect the program or file has been incorrectly identified, go to: Removal: Suspect a file is incorrectly detected (a False Positive)?.

Removal

Technical Details

During a scan, the F-Secure security product will examine each file for instructions in its code that are either:

  • Associated with harmful behavior or
  • Are not normally seen in legitimate files or software

If suspect code is found during the scan, it will trigger a heuristic detection. While there are many heuristic detections to identify a wide range of harmful actions, the following are most commonly reported:

Gen:Heur

The file or program contains instructions for potentially harmful behavior.

Gen:[Trojan].Heur

The file or program contains instructions or performs actions that match those of a known harmful program (for example, a trojan).

Memscan:[variant], Deepscan:generic.malware

When the file or program was examined in a sandbox, it loaded potentially harmful commands in the sandbox's memory.

Once a heuristic detection has been triggered, the security product will either block the file from running, move it to the quarantine where it cannot spread or cause harm, or remove it.

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