BitDefender Labs Announces Top Malware for April 2007

The Usual Suspects in Mass E-mailed Threats Top the List
May 2, 2007 - PRLog -- 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:

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:  

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