February saw considerable growth in the use of Cascading Style Sheets (CSS) that contain partial data for script downloaders, a new method for spreading malware that makes it much harder for many antivirus solutions to detect malicious scripts. This method is currently being used in the majority of drive-by download attacks and allows cybercriminals to download exploits to users’ machines without those exploits being detected.
Malware Statistics, February 2011
By: Kaspersky Security Bulletin
Published: February 2011
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