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Looks like this is doing the rounds again but this time targeting those running Microsoft Word. If your customers download and install the “update” they’re basically installing Troj/Kango-D.
From the Sophos website:
The greeting is personalized (Dear: <firstname> <lastname>), mentions you are subscribed to the ?Microsoft Windows Update mailing list?, and asks you to download the patch from:
?http://windowsupdate.microsoft.com/outlook/update-0-day/download.aspx?id=63852?
Once the above link is clicked, a request is not made to ?microsoft.com? but instead to one of many compromised sites hosting a Trojan, proactively detected by Sophos as Mal/Behav-112.
An interesting feature of this campaign is the target?s full name, and in most cases the organization they are associated with, is mentioned within the message. The samples we have received also lists a bogus Microsoft Windows Licence key, all in an attempt to make the message look legitimate to the recipient.
REGISTERED TO : <Firstname> <Lastname> , - <Organization>
Licence KEY : <key>
Sample Screenshot:
To be on the safe side we’ve blasted out an email to our customers making them aware of it.