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: No

  • In the wild: Yes

  OVERVIEW

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

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

  TECHNICAL DETAILS

File Size: 768 bytes
File Type: SYS
Memory Resident: No
Initial Samples Received Date: 15 Jul 2008

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

It may be dropped by the following malware:

  • WORM_DROPPER.AKO
  • TROJ_DLOADR.AKT

Other Details

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

NOTES:
This system file is used by other malware to avoid detection and be able to load into memory.

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 5.411.00
FIRST VSAPI PATTERN DATE: 15 Jul 2008

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/grayware files that dropped/downloaded TROJ_AGENT.AGIO

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_AGENT.AGIO. 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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