New Year's, Christmas malware targeting inboxes

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Email users are again getting the electronic age's version of coal in a stocking - holiday-season spam and malware.

Researchers from F-Secure have warned of a handful of just-discovered malicious files posing as Christmas and New Year's Day greetings.

One New Year's scam is part of a new spam run distributing the Warezov worm. Using a fake "Happy New Year" greeting, the scam emails contain a malicious attachment,, and urge recipients to click on the file to view a "holiday postcard."

Once downloaded, Trojan-Downloader.Win32.Small.edn connects to www6[dot]easeruikingandefunjs[dot]com and downloads a Warezov variant, according to a post on F-Secure's blog by Mikko Hypponen, chief research officer.

Hypponen said a backdoor trojan named Christmas_Puzzle.exe is posing as a holiday-themed jigsaw puzzle game. F-Secure has named the malware Trojan.Spy.Win32.Ardamax.e.

F-Secure also warned of a malicious PowerPoint file named Christmas+Blessing-4.ppt, which uses a flaw in Office that Microsoft patched in March to drop and execute two embedded programs. The malware poses as a Christmas-themed slideshow.

Another malicious file, named CHRISTMAS.EXE by F-Secure, is an IRCBot variant that attempts to download numerous malicious executables from waiguadown[dot]008[dot]net and user[dot]free[dot]77169[dot]net. The malicious file poses as a winter-themed image with English- and Chinese-language holiday greetings.

A yearly trend, spammers are using the holiday season to spike levels of unwanted emails.

A November report from MessageLabs found that the SpamThru trojan and Warezov were largely responsible for a rise in spam just before the holiday season.

Click here to email Online Editor Frank Washkuch Jr.


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