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The "Traceback" virus produces a screen display similar to that produced by the Cascade virus.

There are of course differences, since the viruses are totally unrelated. Every file infected with "Traceback" contains the name of the file that infected it. This makes it possible to trace the path of the infection.

Another difference is that it is possible to make the characters "jump" back up, by pressing keys on the keyboard, after all the characters on the screen have fallen down.

There are two variants known of this virus, but the size is the only significant difference, either 3066 or 2930 bytes.


Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note: You need administrative rights to change the settings.

Technical Details