TROJ_EXLDROP.SM
Microsoft: Exploit:Win32/CVE-2009-3129; Kaspersky: Exploit.MSExcel.CVE-2009-3129.h; Mcafee: Exploit-MSExcel.u !!
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It takes advantage of certain vulnerabilities.
TECHNICAL DETAILS
116,247 bytes
XLS
No
08 Apr 2011
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
Installation
This Trojan drops and executes the following files:
- %User Temp%\moon.exe - detected by Trend Micro as BKDR_WOODINI.A
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
Other Details
More information on this vulnerability can be found below:
It takes advantage of the following vulnerabilities:
NOTES:
To avoid suspicion, it creates and opens a non-malicious .XLS file in the following temporary folder:
- %User Temp%\Libya.xls
SOLUTION
8.900
Step 1
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.
Step 3
Scan your computer with your Trend Micro product to delete files detected as TROJ_EXLDROP.SM. 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.
Step 4
Download and apply this security patch 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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