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Dramatic Rise in Adware, Malicious Trojans and Spyware |
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Source: www.securitypark.co.uk - Posted by Paul VonBurg
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Spyware staged a significant counterattack during the first quarter of 2006, according to latest State of Spyware report issued today by Webroot Software. A dramatic rise in the prevalence of adware combined with a significant increase in the most malicious types of Trojans and system monitors resulted in the highest consumer infections rates since the first quarter of 2005.
According to the report, the first quarter of 2006 saw a 15 percentage point jump in the share of consumer PCs infected with spyware: from 72 percent in Q4 2005 to 87 percent in Q1 2006. The average instances of spyware on infected machines increased 18 percent over the previous quarter to an average of 29.5 instances of spyware per infected PC, up from 24.9 instances in Q4 2005.
Webroot also witnessed a significant rise in Trojan horse infection rates with an increase to 29 percent, up from 24 percent during the fourth quarter of 2005. The overall incidence of the most prevalent Trojan horse, Trojan-Downloader-Zlob, doubled during the first quarter.
Most surprising – and perhaps most alarming – is the dramatic rise in the prevalence of adware during the last quarter. Despite recent litigation and legislation designed specifically to thwart the efforts of unlawful adware vendors, Webroot recorded that the percentage of PCs with adware increased to 59 percent, up from 45 percent in the last quarter of 2005.
Read this full article at www.securitypark.co.uk
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