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JAVA_EXPLOIT.AGK

January 15, 2014
 Analysis by: Sabrina Lei Sioting
 ALIASES:

Mal/ExpJava-C (Sophos), Java.Malware (Ikarus), HEUR:Exploit.Java.Generic (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • 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.

It takes advantage of an unknown vulnerability in a certain software to allow a remote malicious user or malware to download files on the affected machine.

  TECHNICAL DETAILS

File Size:

9,940 bytes

File Type:

JAR

Memory Resident:

No

Initial Samples Received Date:

08 Jan 2014

Payload:

Downloads files

Arrival Details

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

Download Routine

This Trojan downloads a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.

Other Details

This Trojan takes advantage of an unknown vulnerability in a certain software to allow a remote malicious user or malware to download files on the affected machine.

NOTES:

This is a malicious Java archive file (.JAR), which attempts to download and execute possibly malicious file from a certain website. The URL where this malware downloads the said file depends on the parameter passed on to it by its components. As a a result, routines of the downloaded file may also be exhibited in the affected system.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

10.530.01

FIRST VSAPI PATTERN DATE:

08 Jan 2014

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_EXPLOIT.AGK. 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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