Trojans Dominate Sunbelt Software’s Top Ten E-threats List for July 2009

Sunbelt Software, a provider of Windows security solutions, released its list of top ten e-threats most prevalent during July 2009 on August 4, 2009, as reported by Emediawire.

Sunbelt states that Trojan-Spy.Win32.Zbot.gen was the most widespread spyware during the month, contributing 4.99% of all malware detected by the company. This Trojan disables firewalls and it captures sensitive financial information such as banking login and credit card details. The program is also capable of taking screenshots, and commonly downloads other malware, which could allow an attacker to remotely access the infected computer.

Following Trojan-Spy.Win32.Zbot.gen was another spyware, Trojan.Win32.Tdss.aalc(v) that was also highly prevalent during July 2009 and contributed 2.92% of the total malicious traffic. This Trojan comes packaged with several malware samples such as Trojans, worms and backdoors. It is a modified version of Trojan.DNSChanger.Gen, the e-threat detected in 2007.

Coming at No.3 spot was Win32-Trojan-gen, a spyware program which contributed around 2.23% of all malware detected in July 2009. Sunbelt explains the detection of the Win32-Trojan-gen family of malware represents generic detections.

Continuing with the list, Trojan.1 occupied the fourth place, contributing 2.11% of all malicious programs that Sunbelt detected in July 2009. This family of trojans causes damage to computer systems by disabling their security systems and compromising their operations so that the spyware may get installed.

One more Trojan that prevailed widely and resulted in a total of 1.66% of malware during July 2009 was Trojan.DNSChanger.Gen. As evident from its name, this Trojan changes Domain Name Server (DNS) configurations on compromised systems. The change in the configurations results in the redirection of the victim server so that malicious parties may acquire control over it.

Standing at positions No.6, No.7 and No.8 were Trojan-Downloader.Zlob.Media-Codec, Exploit.PDF-JS.Gen(v) and BehavesLike.Win32.Malware(v) respectively, accounting for 1.58%, 1.50% and 1.49% of all malware that Sunbelt Software detected in July 2009.

Thereafter spyware Explorer32.Hijacker came at No.9 with a total contribution of 1.32% of malware traffic, while Trojan.Fakeavalert came last at No.10 that was least prevalent yet generating 1.02% of all malware that Sunbelt Software detected during the month of July 2009.

Related article: Trojans to Target VoIP in 2006

» SPAMfighter News - 8/24/2009