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BitDefender Lab's Top 10 Malware List for January Reveals Domination of Malware Exploiting Microsoft Windows Graphics
[January 31, 2008]

BitDefender Lab's Top 10 Malware List for January Reveals Domination of Malware Exploiting Microsoft Windows Graphics


(Market Wire Via Thomson Dialog NewsEdge) BUCHAREST, ROMANIA, January 31 / MARKET WIRE/ --

BitDefender?, a global provider of
award-winning antivirus software and data security solutions, announced
today that malware exploiting Microsoft Windows graphics dominated the
BitDefender Top 10 Malware List for January 2008. According to BitDefender
Labs, the malware exploiting Microsoft Windows graphics rendering an engine
vulnerability detailed in MS06-001, which was patched post-SP2.

"It is probable that a large number of unpatched copies of Windows exist in
the wild, mostly pirated ones which don't download patches to avoid dealing
with activation, hence the continued 'popularity' of this exploit among
virus writers," said Sorin Dudea, head of BitDefender AV Research.

The Netsky.P mass mailer came up second in prevalence, showcasing again the
amazing survivability of such malware, but at much lower overall prevalence
than in its heyday (4.35 percent as compared to over 30 percent in the
months after the initial outbreak). Other versions of this same virus
received lower slots in the top ten.

Another notable piece of malware is a software that retrieves Windows XP
activation keys. Appearing at number 3 and known as Spyware.Pws.A by
BitDefender AV researchers, this malware is included in the distribution of
many current viruses or worms.

BitDefender's January 2008 Top 10 malware list includes:

1. Exploit.Win32.WMF-PFV 9.67%
2. Win32.Netsky.P@mm 4.35%
3. Spyware.Pws.A 3.97%
4. Win32.Worm.Sohanat.AJ 2.89%
5. Trojan.Dropper.RNY 1.43%
6. Win32.NetSky.D@mm 1.25%
7. Win32.Netsky.AA@mm 1.19%
8. Trojan.Kobcka.CG 1.07%
9. Win32.Nyxem.E@mm 1.03%
10. Trojan.Pandex.AC 0.86%

The trend towards more diverse and stealthier malware seems to continue, as
the top ten threats of the month only account for 27percent of the total
number of viruses found by BitDefender.

The BitDefender Antispam Lab reports that, in January 2008, image spam is
down to about 4 percent of the total spam flow, while the variety of image
formats used is growing. The stock spam flow has also decreased
dramatically (from 20 percent of total flow in December 2007 to 3 percent
this month). On the pharmacy spam front, a herbal medicine called VPXL is
seeing heavy promotion (being pushed in about 75 percent of all pharma
spam).

The overall variation within spam "waves" (groups of messages sent at
roughly the same time by a certain spammer or group) is also on the
increase, with only about one in ten waves comprising identical e-mails.

In regards to spammer techniques, this month's innovation is the use of
very specific google search result links (e.g:
http://google.com.hk/search?hl=en&q=inurl%3Adecimal****.com+200-1765+West+8t
h+Ave&btnI=8503752)
instead of actual links to the promoted

websites, in an attempt to circumvent url-based spam filters.

"Most of the spam flow is now made up of unique or nearly-unique e-mails,
which used increasingly creates, as you may imagine, a need for ever-more
sophisticated filters," said Andra Miloiu, spam analyst for BitDefender.

For further details on the latest malware detected in the wild, please
visit BitDefender's Defense Portal site at:
http://www.bitdefender.com/site/VirusInfo/RealTimeReporting/.

About BitDefender?

BitDefender is a leading global provider of security solutions that satisfy
the protection requirements of today's computing environment. The company
offers one of the industry's fastest and most effective lines of security
software, setting new standards for threat prevention, timely detection and
mitigation. BitDefender delivers products and services to over 41 million
home and corporate users in more than 180 countries. BitDefender has
offices in the United States, the United Kingdom, Germany, Spain and
Romania. Further information about BitDefender can be obtained by visiting:
http://www.bitdefender.com.

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