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Sunbelt Software Releases September List of Top Ten E-threats

Sunbelt Software, a company that provides Windows security software, has released its list of Top Ten malicious programs for September 2009.

Sunbelt reports that 'Trojan-Spy.Win32.Zbot.gen,' a password stealing malware, remained on the list's highest position for six months in a row, but its prevalence declined 12% from one month to another, from 7.67% detections during August 2009 to 6.75% during September 2009.

This decline was because in August 2009, Trojan.Win32.Generic!BT (a downloader of 'scareware' or fake security software) accounted for 7.57% of all malware detections by Sunbelt. However, it wasn't anymore helpful for determining if it occupied a place on the list of the ten most prevalent malware threats during September because the detection group was generic in character, Sunbelt stated.

Furthermore, this malware became a means to categorize an enormous number of downloader files detected by Sunbelt Software's MX-Virtualization™.

Michael St. Neitzel, Vice-President of Threat Research, Sunbelt Software, stated that Sunbelt's List of Top Ten detections for September revealed that the month had plenty of trojans in circulation, a majority of which were designed to download fake and malicious security software on users' machines, as reported by Virtualization Journal on October 5, 2009.

Neitzel further stated that Zbot, which was very versatile in capturing repositories of login credentials, passwords as well as data within cookies and certificates, remained a highly prevalent malware.

Without much surprise, a fake security product namely 'FraudTool.Win32.Antivirus2010 (v),' which circulated widely, re-occupied a place on the list and at the same No.3 spot, the company reported.

According to the company, Trojan.Win32.Tdss.aalc (v) exited from the list following a contribution of 3.62% to all malicious programs during August. Instead, malicious program, Packed.Win32.TDSS.y entered the list with the ninth position to its credit.

Meanwhile, malicious trojans are imposing huge threat to computer security and are surging at fast pace seen never before.

According to a report by BitDefender (another web security company) during September 2009, the pole position went to Trojan.Clicker (10.98%), possibly because it again became a popular infection device for distributors of counterfeit software.

Related article: Sunbelt Software’s Release List of Top Ten Malware for September 2008

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