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Trojan domination in September threat list

BitDefender UK : 05 October, 2009  (Technical Article)
The top list of IT threats from BitDefender shows no change in the recent Trojan domination trend
BitDefender has released its Top Ten E-Threats for September. Once again, the list is dominated by Trojans.

The top e-threat for September is Trojan.Clicker, possibly due to its regained popularity as an infection tool of choice among purveyors of 'warez' - a term used by malware developers to describe compromised software.

In second place is Wimad Trojan, a generic detection for Autorun-using Trojans, while in third place is the Clicker adware Trojan.

Conficker, in its various guises, is detected by BitDefender as Win32.Worm.Downadup.Gen and occupies the fourth spot in September's list.

Another exploit, this time using a vulnerability in the way some versions of the Adobe PDF reader parse embedded javascript is gaining popularity again and can be found at number five.

At number six, Trojan.Exploit.JS.Y is a malicious piece of javascript, usually found on compromised or malicious websites.

A long-time veteran of BitDefender's top ten, Win32.Sality.OG dropped from fifth to seventh place this month. This encrypted, polymorphic file infector seems set for a very long cybercrime 'career'.

Two threats using the Autorun security loophole in older versions of Windows occupy the following two positions. Interestingly enough, the lower-spreading of the two threats is actually a downloader component used to spread the well-known Conficker or Kido worm (aka Downadup).

And finally, in at number ten on BitDefender's Top Ten E-Threats list for September is Trojan.Skintrim.HTML.A, a type of HTML page usually found associated with adware programs such as Navipromo.

BitDefender's September 2009 Top 10 E-Threat list includes:

1 Trojan.Clicker.CM 10.98%
2 Trojan.AutorunINF.Gen 9.58%
3 Trojan.Wimad.Gen.1 5.52%
4 Win32.Worm.Downadup.Gen 4.68%
5 Exploit.PDF-JS.Gen 4.09%
6 Trojan.Exploit.JS.Y 3.44%
7 Win32.Sality.OG 2.75%
8 Trojan.Autorun.AET 2.27%
9 Worm.Autorun.VHG 1.78%
10 Trojan.Skintrim.HTML.A 1.49%
11 OTHER 53.41%
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