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Top 10 most dangerous malicious codes in November 2006

Sophos has just released a list of the 10 most powerful viruses released in November and warned of the powerful "rise" of malicious code that attacks Windows Vista.

Security firm said there were three types of malware that could attack Microsoft's new operating system discovered in November.

The most dangerous of them is the Stratio-Zip computer worm. For the first time, an adversary was able to completely defeat Netsky-P to become the most powerful malware in the month. Stratio accounted for about one-third of all malware infections sent to Sophos in November.

Top 10 most dangerous malicious codes in November 2006 Picture 1 The majority of the remaining positions in the rankings have not changed much from the previous month. Most notable is the throne of Netsky and Stratio. Nestky-P after months of accepting ranked second with 15.6% of reports that Sophos received.

In the following positions are Bagle-Zip, Zafi-B, Netsky-D, Nyxem-D, MyDoom-O, Mytob-C, Sality-AA and Zafi-D.

" In the past, there has been a lot of doubts about whether Windows Vista can withstand existing malware spreading on the Internet ," Carole Theriault - senior security consultant with Sophos. - said.

" The answer is no. No operating system can guarantee 100%" immunity "to malware because the operating system does not exist separately, it exists with a variety of applications. Other apps like instant messaging, email, file sharing applications . "said Ron O'Brien, Sophos senior analyst.

" Microsoft has increased the security of Windows Vista so much, but users do not so do not run security software. Currently hackers have started to look at creating malware attacks. Vista , "Theriault said.

" Hackers won't take a long time to create new malware that is capable of attacking Vista or may need to slightly modify the existing malicious code. Take, for example, the Stratio worm. -Zip, for example, hackers have changed a bit of platform code and built a completely new worm that can take down security systems in Vista , "said O'Brien.

Top 10 most malicious malware distributed in November

Location Name Ratio (%)1W32 / Stratio-Zip33.32W32 / Netsky-P15,63W32 / Bagle-Zip6.14W32 / Zafi-B4.35W32 / Netsky-D3.96W32 / Nyxem-D2.57W32 / MyDoom-O2.58W32 / Mytob-C2.49W32 / Sality-AA1.810W32 / Zafi-D1.8Other25 , 9

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