F-Secure Virus Descriptions : Nowobbler
Nowobbler is a mass mailing worm, written in both JScript and VBScript.
The worm spreads in Outlook messages with:
Subject: Fw:important
Body: Thought you might be interested in this message,
read the attachment for more information
Attachment: WOBBLER.TXT.VBE
or WOBBLER.TXT.JSE
With 1/5 probability the worm sends message in Spanish, without any
attachment:
Subject: Alma
Body: No alucines que te amo,
cuando en realidad es solo
mi corazon quiin lo hace.
Porque como ya sabras,
mi corazon no manda en mi vida,
si asi lo hiciera
mi alma estaria perdida.
When executed, the worm shows the Wobbler hoax text.
Then the worm creates a temporary file with a random name and the
extension ".wsc" to the Windows System directory. The file is
executed and the worm mass mails itself. This file is deleted after
the worm has mass mailed itself.
The worm also copies itself to the root of each network drive.
[Analysis: Katrin Tocheva and Sami Rautiainen, F-Secure, September 2000]
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