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Peed/Storm Trojan back in action and placing second in total detections

A variety of threats, rather than a specific virus, features in the BitDefender Top 10 Malware List for February 2008. When grouped together by BitDefender virus detection engines, it was noted that all the threats used the same packing method.

"Virus writers use packers to decrease the size of the virus and to increase the cost of analysis - unpacking something packed in an as-yet unknown manner takes a lot of time and skill," explained Sorin Dudea, Head of BitDefender AV Research.

Aside from these threats, the Peed/Storm Trojan dominated the top of the list at 16.88 percent of total detections, a strong resurgence given its absence from the January Top 10 Malware List. The "popularity" of the Windows WMF vulnerability decreased as viruses using its signature only accounted for 5.33 percent of total detections.

Lower on the list are a host of much older mass mailer viruses, on their way to irrelevancy. These viruses only account for approximately six percent of total detections - more than half of which are a result of Netsky.P.

"By this point, I think it is safe to say that Netsky.P is the most widespread mass mailer virus of all time," said Dudea.

BitDefender’s February 2008 Top 10 malware list includes:

1. Packer.Malware.NSAnti.K 37.07%
2. Trojan.Peed.Gen 16.88%
3. Exploit.Win32.WMF-PFV 5.33%
4. BehavesLike:Trojan.Downloader 5.21%
5. Win32.Netsky.P@mm 3.36%
6. Win32.Parite.B 2.93%
7. Win32.NetSky.D@mm 0.92%
8. Win32.Netsky.AA@mm 0.88%
9. Win32.Nyxem.E@mm 0.69%
10. Trojan.Pandex.G 0.65%

For further details on the latest malware detected in the wild, please visit BitDefender’s Defense Portal site at:


About BitDefender®
BitDefender is the creator of one of the industry's fastest and most effective lines of internationally certified security software. Since our inception in 2001, BitDefender has continued to raise the bar and set new standards in proactive threat prevention. Every day, BitDefender protects tens of millions of home and corporate users across the globe—giving them the peace of mind of knowing that their digital experiences will be secure. BitDefender solutions are distributed by a global network of value-added distribution and reseller partners in more than 100 countries worldwide. More information is available at

Contact details:

Mike Ottewell
MJO Associates for BitDefender UK
Tel: 01538 361217

Nick Billington
BitDefender Country Manager
(UK and Ireland)
Tel: 0845 130 5096
Fax:- 0845 130 5069

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