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Category: Malware

Type: -

Aliases: Carnival, Carnival.A@mm, VBS/Carnival.A@mm


Carnival is a mass-mailer (worm) written in Visual Basic Script.


Automatic action

Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.

Knowledge Base

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About the product

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Submit a sample

Submit a file or URL for further analysis.

Technical Details

Carnival.A arrives in a message that looks as follow:


Next Week: Brazilian Carnival
 Body: That's Great...
 Attachment: Brazilian_Carnival.JPG.vbs

The worm activates when a user click on the attached file. It spreads to all recipients written in Outlook address book.

On the top of its code this virus contains the following text:


followed by many commended lines.