Posts Tagged ‘polymorphism’

Changes Afoot for Changeup

Aug

2013

We have been fighting the W32.Changeup family of worms for a long time and have written about it many times Figure 1. W32.Changeup prevalence One characteristic of W32.Changeup is that it is written in Microsoft Visual Basic 6.0 and the viral part of its program code is seen in the program file, but […]

Category General Written by Symantec Security Response Blog 0 Comments

Polymorphic AutoRun Worm Evolves and Obfuscates

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

Revamped Fake Android Market for SMS Fraud

Feb

2012

We have continued monitoring the massive campaign involving SMS Fraud on the mobile platform for a while now as new activities are constantly taking place. New domains are created practically every day and new variants are being released consistently. Most activities are not really noteworthy. However, we did discuss a recent development of interest regarding […]

Category General Written by Symantec Security Response Blog 0 Comments

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Posts Tagged ‘polymorphism’

Changes Afoot for Changeup

Polymorphic AutoRun Worm Evolves and Obfuscates

Revamped Fake Android Market for SMS Fraud

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