TROJ_JAVA.BS

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

JAVA/SecureSet.A (AntiVir), JAVA.SecureSet (Ikarus)

 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 be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size:

776 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

27 Oct 2010

Arrival Details

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

Other Details

This Trojan does the following:

  • Loads and runs the Java class iqtoL__.class (detected as TROJ_JAVA.BW) to allow all possible permissionsin the malware package, which include access to users' files, access the system properties, and execute commands.
  • Loads and runs the Java class M8PFGFzL.class (detected as JAVA_DLOAD.AGT).

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.BS. 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.


Did this description help? Tell us how we did.