Threat Description

Worm: VBS/Mawanella


Category: Malware
Type: Worm
Platform: VBS
Aliases: Email-Worm.VBS.Mawanella, VBS.Mawanella.A@mm


Worm:VBS/VBSWG.Z@mm is an encrypted e-mail worm that displays a text message when executed.Information about the original VBS/Onthefly.A (also known as I-Worm.Lee.o and VBS/VBSWG) is available in the Worm:VBS/Onthefly description.


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details


VBSWG.Z worm propagates in e-mail messages with the following characteristics:

  • Subject: Mawanella
  • Body: Mawanella is one of the Sri Lanka's Muslim Village
  • Attachment: Mawanella.vbs

When the attached file is executed, the worm mass mails itself to each recipient in every address book and shows the following messagebox:

Description Created: 2010-08-05 09:26:47.0

Description Last Modified: 2010-08-05 09:38:38.0


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More