This is a summary of Computer
Virus Status Report for the 1st half of 2006 (January to
June) aggregated
by IPA .
1. Reported Number
The reported number being
increased from 2003 was turned to being decreased gradually
at the peak point of
the last half of 2004 with the reported number of 30,194. As for
the
first half of 2006 was
23,828 and was further decreased from the last half of 2005 with
25,909.
The graph shown underneath
presents the actual reported
number for every half year
filed by IPA Security
Center.
*%s in the graph are
the ratio for actual damage by infection.
2.
Transition in Virus Detection Number
According to the annual detection number,
it tends to entirely be decreasing. However,
the detection number
was tentatively exceeded more than 10M since W32/Sober's
variants which emerged
in November 2005 sent out massive virus mails.
W32/Netsky is continually
dominated most of all detection number unless including the
emergence of W32/Sober's
variants.
3. Reported
Number by Virus
According to the reported
number by virus filed by IPA, the reported
number for
W32/Netsky
is outstandingly many . W32/Mytob
subsequently follows to it, but
its number tends to being
decreased.
Because number of reports
relevant to W32/Netsky is continually filed with IPA, it is
assumed that there are
number of users sending mails without knowing that they are
infected. For your security,
be sure to conduct virus check daily using anti-virus
software.
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