CastleCops® - Reminder: Sober.X - New malware updates scheduled Jan 5, 2006

quietman7 writes "W32/Sober.X is a bi-lingual (English and German) mass-mailing worm which began propagating on November 15, 2005 by spreading through email attachments. The worm sends itself to email addresses found on the infected computer and was responsible for one of the largest email outbreaks during the year.

According to US-CERT, the worm has a functionality that could allow it to automatically update itself by using its own SMTP engine to propagate. The worm will attempt to update itself on or around January 5, 2006. After this date all the infected machines will regularily try to download and run a file from a website, forever.

US-CERT strongly recommends that users and administrators implement the following general protection measures:

* Install anti-virus software, and keep its virus signature files up-to-date.
* Do not follow unsolicited web links.
* Do not execute attachments received in email messages, even if sent by a known/trusted source.
* Keep up-to-date on all security patches and fixes for your operating system.
* Visit the US-CERT Computer Virus Resources for additional information.
"


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