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Malware in February

The amount of malicious activity on the Internet has increased again. In February 2011 Kaspersky Lab products blocked nearly 230 million network to prevent attacks that attempt more than 70 million computers to infect via the Web, but also recognized and neutralized over 252 million malicious programs.

The latest report from Kaspersky Lab on malware activity shows how popular it is the use of drive-by attacks to infect users' computers. These attacks are particularly dangerous because it takes place without the knowledge of the user and can be legitimate sites that erupted earlier cybercriminals are activated. As a result of infection of users' computers.

In February, at the drive-by attacks using a code that describes the appearance of web pages (- Cascading Style Sheets CSS) performed. This new, improved method substantially hinder many anti-virus solutions detect malicious scripts and allows you to download another malicious criminals modules without the risk of being discovered.

Three programs from the February rankings of the most common malicious programs on the Internet are found to be pages with the CSS and the mechanisms to download malicious code. One of them came in one place, the other - on 13 and 19

who visits the infected Web sites can be a "gift" received in the form of two Types of malicious programs. One of them, integrated with the help of a vulnerability in the Help system in Windows, came in the 4th Place in this ranking. There was an average of 10 000 computers per day determined. The second type uses a vulnerability in the Java Virtual Machine and accounts for three pests (for 3, 7 and 9 for location) with a ranking of the threats detected on the web.

presented in February found that there are still potentially dangerous gaps in PDF format. The number of each computer on which the threats were detected for PDF, surpassed this month, the 000th in 1958

Last month, again found the program used to P2P worm called Palevo compress - was discovered more than 67 000 computers. This worm was responsible for creating a botnet of Mariposa, which was closed some time ago by the English police. It seems that the recent distribution of the packed worm, is an attempt to create a new network by hackers or infected computers, the old ones only. In February

discovered Kaspersky Lab, a number of new malicious programs for Android. Enjoyed popularity among cyber-criminals are also malicious programs for the J2ME platform. One of them, Trojan-SMS.J2ME.Agent.cd came in the 18th Place ranking of the most common malicious programs recorded on the Internet. The main function of this worm is sending SMS messages to premium numbers.

Source: Kaspersky Lab