JAVA_HOXO.NM
Exploit:Java/CVE-2009-3867.DN (Microsoft), Exploit.Java.Agent.ar (Kaspersky), Mal/JavaHoxo-A (Sophos)
Windows 2000, XP, Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.
It takes advantage of software vulnerabilities to allow a remote user or malware/grayware to download files. It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
It checks the operating system name of the affected computer.
TECHNICAL DETAILS
9,524 bytes
Java Class
Yes
14 Dec 2010
Downloads files
Arrival Details
This Trojan may be downloaded by other malware/grayware/spyware from remote sites.
It may be unknowingly downloaded by a user while visiting malicious websites.
This malware arrives via the following means:
- It is a component of a malicious Java archive file (.JAR) that is hosted in a malicious Web site.
Download Routine
This Trojan takes advantage of the following software vulnerabilities to allow a remote user or malware/grayware to download files:
- CVE-2009-3867
It saves the files it downloads using the following names:
- %User Temp%\h.exe
(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.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
Other Details
This Trojan checks the operating system name of the affected computer if it is any of the following:
- Windows platform
SOLUTION
8.900
7.700.07
14 Dec 2010
12/14/2010 12:00:00 AM
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 2
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to clean files detected as JAVA_HOXO.NM. 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 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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