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JAVA_DLOADER.AH

October 09, 2012
 Analysis by: Nice Yutuc
 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 may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

10,837 bytes

File Type:

Java Class

Memory Resident:

Yes

Initial Samples Received Date:

06 Jan 2012

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.

NOTES:

It is a component of a malicious Java archive file (.JAR) that is hosted in a malicious Web site.

Depending on the current user's permission set, this Java Class attempts to download and execute possibly malicious files from a certain Web site.

The download link depends on where the malicious Java Class is hosted. The downloaded file is saved as %User Temp%\{random file name}.exe.

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)