BitDefender Releases November 2009 E-threats Report

BitDefender, an Internet security company, released its Top Ten Threat Report for November 2009 in the 1st week of December 2009.

The report states that 'Trojan.AutorunInf.Gen' has occupied the first position on the list, accounting for 8.45% of all infections. The program belongs to certain general malware group that exploits Autorun utility (or feature) in Microsoft's Windows OSs. Actually, there is an autorun.ini code in all detachable storage devices by default. This code tells the PC names of files it should run once the user plugs the device into the system. Thus, malware writers have been found manipulating these files so that they may deliver different malicious software.

Next on the Top Ten E-Threats List of BitDefender is Trojan.Clicker.CM with an infection rate of 7.87%. This Trojan commonly infects websites hosting illegitimate software like key generators, cracks and serial numbers of well-known commercial software programs. Moreover, it is chiefly utilized for introducing advertisements forcibly into the users' Web-browsers for raising advertisement revenue.

Coming on No.3 is Win32.Worm.Downadup.Gen with an infection rate of 5.62%. This worm spreads via the Microsoft Windows Server Service RPC that manages vulnerability for execution of remote code.

Next on the list is Trojan.Wimad (occupying No.4 position) with an infection rate of 5%. This Trojan normally infects music files related to Windows Media Player. On opening of any such infected file, the Trojan loads a large number of malicious programs of which some might even exhibit porn.

According to the report, Exploit.PDF-JS.Gen is on No.5 with an infection rate of 3.23%. This exploit exhibits no clear indications except after it penetrates the system, which might occur when a specially designed PDF file is opened and its malicious JavaScript is executed.

Subsequent to Exploit.PDF-JS.Gen is Win32.Sality.OG on the sixth spot, causing an infection rate of 2.57%. This malware is a polymorphic infector as it places its encrypted script on .exe files.

Further, on No.7 is Trojan.Autorun.AET (2.05%), a malware program that proliferates through shared files on Windows and via detachable storage devices.

Worm.Autorun.VHG (1.59%), Trojan.Inject.RA (1.45%), and Trojan.Downloader.Bredolab.AZ (1.20%) have occupied 8th, 9th and 10th positions respectively on BitDefender's November 2009 Threats List.

Related article: BitDefender Releases March Malware List

» SPAMfighter News - 12/11/2009