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TROJ_JAVA.BU

October 08, 2012
 Analysis by: Christopher Daniel So
 ALIASES:

JAVA/ClassLoad.AK (AntiVir), JAVA.ClassLoad (Ikarus)

 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 be unknowingly downloaded by a user while visiting malicious websites.

It is a component of other malware.

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

  TECHNICAL DETAILS

File Size:

518 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

21 Oct 2010

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This Trojan is a component of other malware.

Other Details

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

NOTES:

This malware arrives via the following means:

  • It is a component of a malicious Java Archive (JAR) file.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.572.15

FIRST VSAPI PATTERN DATE:

28 Oct 2010

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_JAVA.BU. 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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