Dorf Malware Storms the Top Ten Chart, Reports Sophos



    
    Sophos Announces Top Ten Threats Reported in January 2007
    

    BOSTON, Jan. 31 /CNW/ -- Sophos, world leader in integrated threat
management solutions, today revealed the most prevalent malware threats
causing problems for computer users around the world during January 2007.
    The figures, compiled from SophosLabs(TM), Sophos's global network of
virus, spyware and spam analysis centers, show the recently discovered Dorf
malware soaring to the top of the monthly malware threat chart.  Dorf now
accounts for nearly 50 percent of all malware seen in January, suggesting a
massive impact on computer users worldwide.

    January 2007 Highlights:

    
     (*) New threats identified by Sophos:  7,272
     (*) Total number of malware protected against by Sophos:  214,956
     (*) Top malware:  Dorf takes top slot, comprising 46.1%
     (*) Over 2,500 variants of Dorf malware detected; almost a third of
       all new threats identified
     (*) Sophos's Behavioral Genotype(TM) identified and stopped the
       majority of Dorf variants
    

    Aggressively spammed out, The Dorf malware posed as breaking news of
deaths caused by stormy European weather during January.  Later in the month,
the authors switched gears and launched another campaign disguising the
malware as a romantic email greeting card.  Elsewhere in the top ten, the
Netsky, Mytob and Stratio malware remain deeply rooted in second, third and
fourth place respectively.  These three malware accounted for one third of all
malware reports.

    The top ten list of January 2007 malware threats reads as follows:

    
    1.    Dorf                46.1%
    2.    Netsky              16.1%
    3.    Mytob               9.8%
    4.    Stratio             8.5%
    5.    Zafi                3.6%
    6.    MyDoom              2.8%
    7.    Sality              2.6%
    8.    Bagle               2.5%
    9.    Nyxem               1.0%
    10.   Wukill              0.8%

         Others               6.2%
    

    "It's no surprise that spammers continue to try and trick computer users
by using subject matter and headlines that would naturally pique the general
public's interest," said Ron O'Brien, senior security analyst at Boston-based
Sophos. "However, computer users need to stay on their toes at all times and
use good judgment. Through education and using the right security defenses,
such as up-to-date anti-virus software and email filtering at the gateway,
users can avoid being victimized."
    The amount of infected email, while substantially higher than that of
December 2006, remains small at just one in 238 (0.42 percent).
    Graphics of the above top ten virus chart are available at:
www.sophos.com/pressoffice/imggallery/topten/
    The Sophos Security Threat Report 2007, which discusses the most
prevalent families of malware and malware hosting countries in more detail,
can be downloaded here: www.sophos.com/report2007
    For more information about safe computing, please visit:
www.sophos.com/virusinfo/bestpractice/

    
    About Sophos
    
    Sophos is a world leader in integrated threat management solutions,
protecting against known and unknown malware, spyware, intrusions, unwanted
applications, spam and policy abuse for business, education and government.
Sophos's reliably engineered, easy-to-operate products protect more than 35
million users in more than 150 countries. Through 20 years' experience and a
global network of threat analysis centers, the company responds rapidly to
emerging threats - no matter how complex - and achieves the highest levels of
customer satisfaction in the industry. Sophos is a global company co-
headquartered in Boston, MA and Oxford, UK. For more information on Sophos,
visit www.sophos.com.

    
    For More Information Contact:
    Lisa Coulouris                 Jennifer Torode
    Racepoint Group                Sophos
    (781) 487-4612                 (781) 494-5885
    lcoulouris@racepointgroup.com  jennifer.torode@sophos.com

    




For further information:

For further information: Lisa Coulouris, of Racepoint Group, 
+1-781-487-4612, or lcoulouris@racepointgroup.com; or Jennifer Torode, of 
Sophos, +1-781-494-5885, or jennifer.torode@sophos.com Web Site:
http://www.sophos.com/

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