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This Trojan comes as an attachment to spammed email. It carries with it a backdoor that runs on Mac OS X systems.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
This Trojan drops and executes the following files:
It drops the following non-malicious file:
This Trojan takes advantage of the following software vulnerabilities to drop malicious files:
NOTES: This malware is a Microsoft Word document file. If opened in Windows OS, the malicious routine does not execute successfully. However, if opened in Mac OS X, the malicious routine executes successfully.
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Remove malware/grayware files dropped/downloaded by TROJ_MDROPR.LB
Search and delete these files
To delete malware/grayware component files:
Scan your computer with your Trend Micro product to delete files detected as TROJ_MDROPR.LB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Download and apply these security patches Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.
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