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Although Microsoft has dropped its Windows Autorun feature from Vista SP2 and newer operating systems, there are many users running earlier versions of Windows who are still being exposed, making it the top runner for BitDefender’s e-threat report for May.

Accounting for a 13.24 percent share of all global malware, Trojan.AutorunInf.Gen is a generic mechanism designed to spread malware using flash drives, memory cards or external hard-disk drives. Various types of malware, including the infamous Downadup clan, use this approach to trigger further infections.

Next up is Win32.Worm.Downadup.Gen also known as Kido or Conficker which accounts for nearly six percent of the global infections. By exploiting a Windows vulnerability, this worm spreads on computers within local networks and restricts users’ access to Windows Update and security vendors’ web pages. Whilst Microsoft has remedied this problem in the most recent versions, computer users should check that they have updated their operating systems and antivirus solutions.

The outbreak of rogue Anti-Virus scams has not yet diminished and that is why Trojan.FakeAV.KUE ranks third with five percent of the total amount of infections. This detection covers JavaScript code – hosted either on malicious sites and innocent victims (sites) that have been infected. This is then used to trigger fake alerts on websites connected to the placement of rogue antivirus software.

In fourth place with nearly three percent is Win32.Sality.OG the sole file infector in the top ten e-threats this month. This malicious device appends its encrypted code to executable files (.exe and .scr binaries). Additionally it deploys a rootkit and kills antivirus applications running on the computer, so as to hide its presence on the infected machine.

Fifth place is taken up by a newcomer Trojan.Swizzor.2 with just over two percent of the total number of global infections. This detection deals with an obfuscated downloader that usually opens the way for further malicious software.

BitDefender’s May 2010 Top 10 E-Threat list includes:

1. Trojan.AutorunINF.Gen 13,24%
2. Win32.Worm.Downadup.Gen 5,84%
3. Trojan.FakeAV.KUE 5,11%
4. Win32.Sality.OG 2,68%
5. Gen:Variant.Swizzor.2 2,12%
6. Trojan.Autorun.AET 2,02%
7. Gen:Heur.Krypt.24 2,01%
8. Worm.Autorun.VHG 1,97%
9. Gen:Variant.Rimecud.2 1,91%
10. Exploit.PDF-JS.Gen 1,76%
Other 61,33%

For more information on this and other threats visit:

www.malwarecity.com

About BitDefender®

BitDefender is the creator of one of the industry’s fastest and most effective lines of internationally certified security software. Since its inception in 2001, BitDefender has continued to raise the bar and set new standards in proactive threat prevention, emerging as the industry’s anti-malware innovator. 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 about BitDefender and its products are available at the company’s security solutions press room. Additionally, BitDefender’s www.malwarecity.com provides background and the latest updates on security threats helping users stay informed in the everyday battle against malware.

For more information visit http://www.bitdefender.co.uk

Contacts:

Matt Hicks
BitDefender (UK and Ireland)
Tel: 08451 305 096
E-mail: mhicks@bitdefender.co.uk

Issued by:

Mike Ottewell
MJO PR for BitDefender UK
Tel: 01538 361217
E-mail: mike@mjopr.com


This press release was distributed by ResponseSource Press Release Wire on behalf of MJO Associates in the following categories: Consumer Technology, Personal Finance, Business & Finance, Computing & Telecoms, for more information visit https://pressreleasewire.responsesource.com/about.