JAVA_LAMAR.AE

April 20, 2016
 Analysis by: Mar Philip Elaurza
 ALIASES:

Exploit:Java/Obfuscator.AH [submit_sample] (Microsoft)

 PLATFORM:

Windows

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

  • 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.

It takes advantage of software vulnerabilities to allow a remote user or malware/grayware to download files.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

521,383 bytes

File Type:

JAR

Memory Resident:

No

Initial Samples Received Date:

17 Sep 2013

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 allow a remote user or malware/grayware to download files:

Other Details

This Trojan requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

10.284.05

FIRST VSAPI PATTERN DATE:

17 Sep 2013

VSAPI OPR PATTERN File:

10.285.00

VSAPI OPR PATTERN Date:

18 Sep 2013

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.AE. 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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