Analysis by: Michael Cabel
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

File Size: 7,376 bytes
File Type: Java Class
Memory Resident: No
Initial Samples Received Date: 08 Jul 2010
Payload: Others

Other Details

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

  • This Java Applet is a component of a malicious Java archive file (.JAR) that is hosted in a malicious Web site.
  • It loads the file /zzz/ttt/a1500b0.class also found in the said Java archive.
  • The said file is detected by Trend Micro as TROJ_JAVA.BP.

  SOLUTION

Minimum Scan Engine: 8.900
VSAPI PATTERN File: 7.292.13
VSAPI PATTERN Date: 08 Jul 2010
VSAPI PATTERN Date: 7/8/2010 12:00:00 AM

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

Remove malware files dropped/downloaded by TROJ_JAVA.AT

     TROJ_JAVA.BP

Step 3

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