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BitDefender Labs Announces Top Malware for April 2007

May 2007


FORT LAUDERDALE, Fla. � May 2, 2007 � BitDefender�, an award-winning provider of antivirus software and data security solutions, reported today the Top 10 malware threats of April 2007.

BitDefender�s April 2007 Top Ten malware list includes:

1. Win32.Worm.Mytob.GZ 32.07%
2. Win32.Zafi.B@mm 10.29%
3. Win32.Netsky.P@mm 8.27%
4. Trojan.Peed.Gen 8.02%
5. Win32.Bagle.GM@mm 6.67%
6. BehavesLike:Trojan.Downloader 3.80%
7. Win32.Nyxem.E@mm 1.46%
8. Win32.Worm.Stration.FC.m 1.37%
9. Win32.NetSky.D@mm .89%
10. Win32.NetSky.AA@mm .76%
OTHERS: 26.39%

As the month of April drew to a close, it felt like 2004 all over again, with mass email regulars including Zafi.B and Netsky.P grappling for top spots (accounting for 10 and 8 percent of the total, respectively).

�Although these older threats are still in circulation, the top spot (with a whopping 32.07% of total detections) is the umpteenth variant of the Mytob mailer/backdoor,� commented Viorel Canja, head of BitDefender Labs. �This rather dangerous piece of malware has been in active development for quite some time, with new versions hitting the Internet every week.�

In other news, Trojan.Peed versions (which topped BitDefender�s March list) still grabbed a spot in the Top 10, while trojan downloaders of every description (detected heuristically) come in at number six, accounting for a sizeable 3.80%.

The trend towards consolidation is apparent once again, more evident than ever before, as the top ten threats share between themselves a whopping 73.61% of the total number of detections.

A full report on the current malware situation can always be found on BitDefender�s homepage:
http://www.bitdefender.com/site/VirusInfo/realTimeReporting/


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