nsane.forums Posted July 20, 2013 Share Posted July 20, 2013 Symantec has discovered a bizarre ransom Trojan that eschews the usual demand for payment in favor of asking its victims to fill in an online survey to get an unlock code. Given the name Shadowlock by the security firm, the underlying engineering of the Trojan is much the same as any one of the numerous other examples of ransomware. Infected Windows PCs display a dialogue box asking for the unlock code and the hint that they can find it after visiting a website linking to a list of different prize surveys or by downloading unnecessary software such as a media player. The box won't clear until the survey code has been entered, and can't be closed using the task manager; attempts to delve into matters using the command prompt, PowerShell, Regedit, or MSConfig are also denied as is the ability to bypass it by invoking a restore point. Entering the code incorrectly three times, or just attempting to close the dialogue, causes the system to shut down. Upon a reboot the same dialogue reappears after 20 seconds, the length of time the users have to try and shut it down using the Task Manager. Shadowlock can also nix browsers and certain system tools as well as consume free resources and disable the Windows firewall. Other odd traits Symantec was able to decompile the Trojan, which was built using .NET, well enough to discover some of its more eccentric secrets. For example, it also includes an Easter egg, a hidden routine that plays a the five-note theme from the 1976 alien abduction film Close Encounters of the Third Kind. Other capabilities include being able to reverse mouse buttons and open the CD tray or open Windows utilities. "It turns out the malware author has a sense of humor," wrote Symantec researcher, Fred Gutierrez in his blog on Shadowlock. He speculates that the survey tactic might be an experiment to see much response it gets, or perhaps part of a genuine money-making scheme. "These functions (as well as others) may find themselves being used in a future variant." View: Original Article Link to comment Share on other sites More sharing options...
stylemessiah Posted July 21, 2013 Share Posted July 21, 2013 who knew .Net would actually be useful for something.... Link to comment Share on other sites More sharing options...
dMog Posted July 21, 2013 Share Posted July 21, 2013 did the article mention if symantec can actually do a fix or repair or prevent or offer any real help for this infection Link to comment Share on other sites More sharing options...
Vjcobra Posted July 21, 2013 Share Posted July 21, 2013 Thank you very much for sharing the information :) Link to comment Share on other sites More sharing options...
Ambrocious Posted July 21, 2013 Share Posted July 21, 2013 did the article mention if symantec can actually do a fix or repair or prevent or offer any real help for this infectionYou can get the Kaspersky Rescue Disc which boots into a pre-operating system before Windows starts and it will most likely remove it.Direct Download Link to comment Share on other sites More sharing options...
dMog Posted July 21, 2013 Share Posted July 21, 2013 thanks ambro... will get this incase i need it someday... I do have symantec internet security so i do have a boot disc from that program ...but a back up is always welcome Link to comment Share on other sites More sharing options...
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