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JAVA_DLOAD.SP

April 14, 2011
 Analysis by: Jon Timbre
 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 arrive bundled with malware packages as a malware component.

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

  TECHNICAL DETAILS

File Size:

8,724 bytes

File Type:

JAR

Memory Resident:

No

Initial Samples Received Date:

05 Nov 2010

Arrival Details

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

Other Details

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

It does the following:

  • It uses JAVAW.EXE to run .JAR files.

NOTES:

Based on analysis of the codes, it has the following capabilities:

  • It attempts to connect to a URL to download a possibly malicious file, name it as WINDOWS_SECURITY_CENTER.EXE and save it in C:\Temp folder.
  • It then executes the downloaded file. As a result, the malicious routines of the downloaded file are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.596.01

FIRST VSAPI PATTERN DATE:

05 Nov 2010

Step 1

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

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