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BitDefender Lab Released Top 10 Malware List for November

A global provider of anti-virus software and data security solutions, BitDefender, declared its list of top 10 malware for November 2007 on November 30, 2007.

As per BitDefender labs, the malware, which was packed with the NSAnti packer, attained the top position in the list of November with a total of around 28.62% detections. The files which were detected as Packer.Malware.NSAnti.J are programs that are packed with a specific kind of protection system. Further, NSAnti are outlined by hackers to deceit the protection system and to hide particulars of malware.

The second rank retained in the November list by a series of Trojan downloaders which belong to different families and were caught collectively under the name Behaveslike.Trojan.Downloader.

Trojan downloader has been noticed for standing in isolation and tries to install stealthily and operate other files from remote Web and ftp sites.

The November list further constitutes of The Kobcka Trojan acquiring the eighth rank and PDF URI exploit holding the sixth position.

The Kobcka Trojan is a kind of malware which contains software that is of harmful, hostile or harmful functionality or behavior and is used for attacking both individual PCs and entire networks. In September 2007, the Kobcka Trojan racked up around 1.24% of the total malware detections and also acquired the top position in the top 10 malware variants implying that new variants of the malware may come in the months to come.

The remaining list of top 10 malware is occupied by what BitDefender call as 'ancient' Netsky family. Netsky.P Trojan has consistently retained the position of most 'ancient' e-mail borne malware that continues to threaten the users. BitDefenders informs that Netsky got only 4.80% of total detections in November 2007 top ten list.

The Head of BitDefender's Antivirus Lab, Viorel Canja, said that the trend of high-profile malware has faded off. Canja added that they have entered a new pause where stealthier and more diversified viruses have been the norm which emerges as a greater challenge to security, as per the BitDefender's press release published on November 30, 2007 by Sourcewire.

Related article: BitDefender Releases March Malware List

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