Analysis by: Christopher Daniel So
ALIASES:

Exploit:Java/CVE-2008-5353.WI (Microsoft), Trojan.Maljava (Symantec), Mal/JavaEsa-A (Sophos)

 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size: Varies
File Type: Java Class
Memory Resident: No
Initial Samples Received Date: 10 Nov 2010

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Other Details

For more information on the aforementioned vulnerabilities, please see the following pages:

It does the following:

  • It exploits the vulnerability CVE-2008-5353 in the Java Runtime Environment to download possibly malicious files.

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 7.613.00
FIRST VSAPI PATTERN DATE: 11 Nov 2010

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 delete files detected as JAVA_DLOADE.AL. 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.


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