JAVA_LAMAR.E
Trojan.Maljava (Sophos), HEUR:Exploit.Java.CVE-2012-1723.gen (Kaspersky)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.
TECHNICAL DETAILS
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
It may be hosted on a website and run when a user accesses the said website.
Download Routine
This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:
It downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the following parameter(s) passed on to it by its components:
- duFJfXw
NOTES:
This is the Trend Micro detection for malicious Java Class that attempts to exploit a vulnerability in the Java Runtime Environment component of the following:
- JDK and JRE 7 Update 4 and earlier Java SE
- JDK and JRE 6 Update 32 and earlier Java SE
- JDK and JRE 5.0 Update 35 and earlier Java SE
- SDK and JRE 1.4.2_37 and earlier Java SE
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as JAVA_LAMAR.E. 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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