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The Java Autorun Worm, Java.Cogyeka (2 of 3)

02

Jul

2013

ObfuscationsIn my previous blog, I discussed some stealth techniques Java.Cogyeka uses. These stealth techniques are not effective at deceiving users or security researchers, but their use proves that Java malware is continuously improving.Aside from the stealth techniques, Java.Cogyeka is designed to evade security researchers through various obfuscation techniques. Some are effective, some are overdone. Overdone […]

Category General Written by Symantec Security Response Blog 0 Comments

MSRT March ’13 – Wecykler

12

Mar

2013

Wecykler is a family of worms, that shares some similarities with the Worm:Win32/Autorun family, in that it that takes advantage of removable drives attached to an infected system in order to propagate to other machines. They target users’ familiarity with the content of drives (files and directories) disguising as directories with existing and catchy names […]

Category General Written by Microsoft Malware Protection Center 0 Comments

Polymorphic AutoRun Worm Evolves and Obfuscates

16

Feb

2013

Recently we have seen a spike in a Visual Basic 6-compiled AutoRun worm family. The family is both client- and server-side polymorphic. (For more on this family, refer to our VIL and Advisory entries.)The W32/Autorun.worm.aaeh family usually gets on a victim’s machine through email spam, Blacole drive-by downloads, or downloads by BackDoor-FJW. From a behavioral perspective, […]

Category General Written by Blog Central > McAfee Labs 0 Comments

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The Java Autorun Worm, Java.Cogyeka (2 of 3)

MSRT March ’13 – Wecykler

Polymorphic AutoRun Worm Evolves and Obfuscates

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