TROJ_YAPAXI.A

 Analysis by: Karl Dominguez

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW


This Trojan may be dropped by other malware. It arrives as a component bundled with malware/grayware packages.

It exports functions used by other malware. It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

11,264 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

25 Nov 2011

Arrival Details

This Trojan may be dropped by other malware.

It arrives as a component bundled with malware/grayware packages.

Other Details

This Trojan exports functions used by other malware.

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

NOTES:
This malware requires the following service to execute properly:

  • JavaRemoteWorkService

This malware contains functions that can be used by other malware to perform malicious routines.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.600.09

FIRST VSAPI PATTERN DATE:

25 Nov 2011

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

Scan your computer with your Trend Micro product to delete files detected as TROJ_YAPAXI.A. 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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