Malware Watch: U.S Chamber of Commerce official letter; DHL delivery error, IRS notifications

In this week’s Malware Watch we’ll review three currently active and spreading malware campaigns.

In the first campaign, malicious attackers are attempting to trick end users into downloading and executing a malicious file attachment, while impersonating the U.S Chamber of Commerce.

According to AppRiver, the malicious attachments USChamber.zip are actually a copy of the ZeuS crimeware.

Spamvertised message:

Hello, on the advice of your partners, we are sending you this letter. In the attached file you will find the offer of cooperation and common development of adjacent areas of our business. Thank you for your attention.

The second campaign is impersonating DHL for malware-serving purposes.

Spamvertised message:

Dear Sir/Madam,Your package has been returned to the DHL office. The reason of the return is – Error in the delivery addressPlease refer to attached file for additional detailsAttached to the letter mailing label contains the details of the package delivery. You have to print mailing label, and come in the office in order to receive the packages.Thank you for attention.Your DHL

Detection rate for the malicious attachment.

The third campaign is impersonating the Internal Revenue Service for malware serving purposes.

Spamvertised message:

Tax notice, There are arrears reckoned on your account over a period of 2010-2011 year. You will find all calculations according to your financial debt, enclosed. Sincerely, Internal Revenue Service

Detection rate for the malicious attachment.

Article source: http://www.zdnet.com/blog/security/malware-watch-us-chamber-of-commerce-official-letter-dhl-delivery-error-irs-notifications/9572

View full post on National Cyber Security » Virus/Malware/Worms

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