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Mass mailers remain biggest threat.

BitDefender UK : 01 August, 2007  (Technical Article)
Bitdefender comments on latest malware trends in report on 2007 year to date.
Mass mailers and trojans continue to be biggest threats to consumers and SMBs, according to BitDefender Labs' malware report for the first half of 2007. The Peed trojan is the top threat to date in 2007, variants of which accounted for more than 30 per cent of all threats detected.

Trojans have proven to be the most popular type of malware this year with a generic behavior-based trojan signature coming in second on the Top Ten list.

Behavior-based trojans are generally detected and blocked pro-actively, before being assigned names and specific signatures. These pro-active behavior-based detections made up 21.4 per cent of total detections.

Another notable threat detected by BitDefender Labs is the Win32.Sality.M virus, the only true virus to make the list. While the highly-dangerous polymorphic virus spreads using the Bagle mass mailer as one of its vectors, the Bagle virus alone did not make the 2007 list.

BitDefender's Top Ten malware list for first half 2007 includes:.

1. Trojan.Peed.Gen 27.19%.
2. BehavesLike:Trojan.Downloader 21.4%.
3. Win32.Netsky.P@mm 5.62%.
4. Trojan.Peed.A 2.37%.
5. Win32.NetSky.D@mm 1.87%.
6. Win32.Nyxem.E@mm 1.86%.
7. Win32.Sality.M 1.85%.
8. GenPack:Trojan.Downloader.Tibs.I 1.33%.
9. Trojan.Peed.P 1.30%.
10. Win32.Netsky.AA@mm 1.22%.

(Note: BitDefender's 2007 Top Ten list of malware accounts for 66 per cent of the total number of all viruses seen in circulation.)

Commenting on the report, Viorel Canja, head of BitDefender Labs said: 'The gradual change from viruses to trojans on the Top Ten list presents an interesting trend in data security. Although the popularity of mass mailers is slowly receding, variants are still present and pose a very real risk to computer systems used by consumers and small businesses.

"By constantly detecting and defending against the latest variants of malware before they become a problem, BitDefender continues to demonstrate its commitment to protecting its subscribers."
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