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To: discussion@xxxxxxxxx
Subject: [aclug-L] Netsky Worm Hits the Net
From: DAVID CARMICHAEL <dec2955@xxxxxxxxxx>
Date: Thu, 19 Feb 2004 05:24:06 -0800 (PST)
Reply-to: discussion@xxxxxxxxx

Netsky Worm Hits the Net   
Wed Feb 18,12:00 PM ET  Add Technology - PC World to
My Yahoo! 
 

Paul Roberts, IDG News Service 

Antivirus software companies are warning that a new
version of the NetSky e-mail worm is circulating on
the Internet. The warning comes only a day after the
appearance of a new variant of the Beagle or "Bagle"
worm prompted similar warnings.


? Bagle E-Mail Worm Spreads 
? New Mydoom Variant Surfaces 
? Microsoft Deflects Mydoom Attack 
? Mydoom Attack Continues 
? Mydoom Takes Down SCO Site 


NetSky.B, also known as Moodown.B, first appeared on
Wednesday and is spreading via infected e-mail
messages and shared network folders. Once installed,
NetSky tries to disable antivirus software, steal
e-mail addresses, and copy itself to shared network
folders, antivirus companies say.


The new worm is a modified version of NetSky.A, which
appeared on Monday. Like its predecessor, NetSky.B
arrives in e-mail messages that have randomly
generated subject lines such as "something for you,"
"hello," or "fake." The worm file is contained in a
zipped attachment that also has a randomly generated
name and file type such as "document" "stuff" or
"party." File attachments with an.exe,.scr, or.pif
extension are also common, says antivirus company
TruSecure.

Keeping Track

Network Associates is receiving between 40 and 50
copies of the worm each hour, both from customers and
worm-generated e-mail, according to a company
spokesperson. Most copies of the worm appear to be
coming from the Netherlands and elsewhere in Europe,
says NAI, TruSecure, and others.


Antivirus companies released updated virus definition
files to spot the new version of NetSky and advised
customers to update their antivirus software as soon
as possible.


The new worm outbreak follows a similar infestation on
Tuesday, when a new version of the Beagle (or "Bagle")
worm surfaced and began spreading rapidly.


The sudden appearance of virus-laden e-mail messages
may be evidence of a virus spreading, or of a massive
"seeding" of a new virus using spam e-mail messages,
antivirus experts says. A similar seeding was behind
the sudden appearance of NetSky.A on Monday, says
antivirus company F-Secure of Helsinki.




http://story.news.yahoo.com/news?tmpl=story&u=/pcworld/20040218/tc_pcworld/114829


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