Threat Description



Aliases: Draft
Category: Malware
Type: Worm
Platform: VBS


VBS/Draft is a mass mailing email worm written in VBScript.


Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.

Technical Details

Variant:Draft.A@mm (Forwarder, I-Worm.Draft)

VBS/Draft.A@mm is a worm that replicates by forwarding the infected message.

The original message that was found had the following content:

Subject: Thanks for that...
Body: Thanks for your email - VERY interesting. I'm not sure about the last bit
      though - could be considered a little "risky". I've highlighted the part I
      would change in blue.
    Have a look at the doument and let me know.
    Attachment: Draft 2.DOC.vbs

The message body and attachment name can be different.

When the attachment is executed, the worm forwards the infected message to all recipients from "All Users" distribution list. If this distribution list does not exist, the worm will not be able to work.

The worm attempts to track down the number of infected users by sending an email message to the virus writer:

    Subject: Draft2
    Body:    <the infected user's email address>

Next the worm will add a key to the registry, so it will not mass mail again, and finally it shows the following message box:

  Unable to process file - Internal error at 0x80F3:429A

Technical Details: Katrin Tocheva and Sami Rautiainen, F-Secure; November 2000


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