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JAVA_DLOAD.ZD

October 08, 2012
 Analysis by: Michael Cabel
 ALIASES:

Microsoft: Trojan:Java/Rowindal.A; Kaspersky: Trojan-Downloader.JS.Agent.fni

 PLATFORM:

Windows 2000, Windows XP, Windows 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 arrive bundled with malware packages as a malware component.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

1,697 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

31 Jan 2011

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

Download Routine

This Trojan saves the files it downloads using the following names:

  • %Current Folder%\{Random File Name}.exe

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Other Details

This Trojan does the following:

  • It attempts to connect to certain websites to download possibly malicious files.

  SOLUTION

Minimum Scan Engine:

8.900

Scan your computer with your Trend Micro product to delete files detected as JAVA_DLOAD.ZD. 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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