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Threat Encyclopedia

TROJ_DLOADR.AAD

ANALYSIS BY

Michael Cabel


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

Infection Channel:

Downloaded from the Internet


This malware downloads a supposedly Windows 8 application from a certain link once the affected users clicked 'OK' or close buttons on the displayed image.

TECHNICAL DETAILS

File Size:

181,024 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

27 Nov 2012

Payload:

Displays image

Arrival Details

This Trojan may be downloaded from the following remote sites:

  • http://{BLOCKED}en2eqqh2.cloudfront.net/2.2.43/5069717/windows%208%20win%208.exe

Installation

This Trojan displays the following fake error messages:


NOTES:

It downloads a supposedly Windows 8 application from the following link once the affected users clicked on the 'OK' or close buttons on the image above:

  • http://api.{BLOCKED}admr.com/installer/5062d47f-b8cc-411a-9555-12ab5bc06f2f/5069717/open?ie=6&net=4.0F&sp=0

SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.562.01

FIRST VSAPI PATTERN DATE:

30 Nov 2012

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TROJ_DLOADR.AAD. 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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