HTML_JNLPER.HAP

October 08, 2013
 Analysis by: Rika Joi Gregorio
 Modified by: Anthony Joe Melgarejo
 ALIASES:

LooksLike.JNLP.ExploitLoader.a (v)(Sunbelt)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

This Trojan may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

452 bytes

File Type:

XML

Initial Samples Received Date:

24 Sep 2013

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

NOTES:

This Trojan uses Java Network Launching Protocol (JNLP) protocol to launch a Java Web Start (javaws) application. It specifies the location of the Jar package and the Java applet (main class for the application).

Once this file is accessed by a user from visiting the website where it is hosted, it loads the java applet, Main.class. The applet is included in the jar package, sma.mm (detected as JAVA_EKSPLOYT.HP) found in the same directory in the web server where this Trojan is hosted.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.298.02

FIRST VSAPI PATTERN DATE:

24 Sep 2013

VSAPI OPR PATTERN File:

10.299.00

VSAPI OPR PATTERN Date:

25 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

Remove malware/grayware files dropped/downloaded by HTML_JNLPER.HAP

     
    • JAVA_EKSPLOYT.HP

Step 3

Close all opened browser windows

Step 4

Scan your computer with your Trend Micro product to delete files detected as HTML_JNLPER.HAP. 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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