Fresh Spam Distributing Countries Getting Marked
According to one fresh research that Kaspersky the security company carried out recently, the geographical regions from where spam originated during 2010 has since changed. Actually, whilst Europe and USA led the spam distributing countries during 2010, in 2011, the regions from where the maximum volumes of junk e-mails are being pushed include South America and Asia.
Also, according to the research, the origins of spam campaigns are mostly situated within countries, which hitherto didn't impose so large a threat. Reportedly, on the list of ten most malware-laced spam threatening regions worldwide, the first eight countries belong to South America and Asia.
A pie diagram formed on the basis of the fully finished research reveals that Peru, Brazil, India, Ukraine and Indonesia occupy around 48% of the segmented chart.
By assessing the changes within the said nations, Kaspersky researchers tried to figure out an exact regional distribution of the network of bots that could result in outcomes capable of aiding in finding the separate groups behind the assaults. The analysis covered 11 states, which were carefully watched over a 4-month period (April-June 2011) and it was found that spam was spewed out of specific groups simultaneously.
In addition, Kaspersky states, based on the research's analysis that junk e-mails sent from the above nations had Brazil and India pushing less volumes during July 2011 compared to those of June 2011, accounting for a decline of 1.83% and 2.03% respectively, while reflecting quite the same changes. Also, Peru and Indonesia witnessed increases to nearly the same levels during the months at 4.59% and 4.82% respectively.
Finally, Kaspersky studied the traffic of junk e-mail on a weekly basis too and substantiated that the spam-dissemination percentages of Brazil and India had quite the same dynamics. Whatever differentiations occurred were basically because of each country, besides having the zombie PCs apparently regulated from a single C&C server, had its own network of bots that got instructions for dispatching e-mail junk during other time-periods. Furthermore, there were continuous changes in botnets when fresh PCs got added while some previous ones vanished due to anti-malware solutions that disinfected them.
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» SPAMfighter News - 23-09-2011