Analysis by: Anthony Joe Melgarejo
ALIASES:

HTML/Dldr.Agent.sdx (Avira)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Spammed via email

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

  TECHNICAL DETAILS

File Size: 6897 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 17 Nov 2014
Payload: Connects to URLs/IPs

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

NOTES:

It will display the following webpage:

It the user clicks the invoice ink, they will be redirected to the following URL which will download another file:
  • http://{BLOCKED}k.{BLOCKED}e-ups.org/WebTracking/invoiceVWMHHIGU532VDMW3LV.JPG.exe/li>
However, the URL above is already inaccessible. It the user clicks the tracking number link, they will be redirected to the following URL:
  • http://{BLOCKED}k.{BLOCKED}e-ups.org/WebTracking/

Wherein, the following webpage will be displayed:

In the webpage above, the malware will lure the user in downloading another malware disguised as a web plugin.

Once clicked, the browser will be redirected to the following URL and download another malware:

  • http://{BLOCKED}k.{BLOCKED}-ups.org/WebTracking/JavaJREInstaller.exe - detected as BKDR_BUBLIK.A
Also, all other links found in the said webpage will be redirected to the URL mentioned above.

  SOLUTION

Minimum Scan Engine: 9.700
FIRST VSAPI PATTERN FILE: 11.282.06
FIRST VSAPI PATTERN DATE: 17 Nov 2014
VSAPI OPR PATTERN File: 11.283.00
VSAPI OPR PATTERN Date: 18 Nov 2014

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

Close all opened browser windows

Step 3

Remove malware/grayware files dropped/downloaded by HTML_FAKEUPS.A. (Note: Please skip this step if the threats listed below have already been removed.)

     
    • BKDR_BUBLIK.A

Step 4

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • invoiceVWMHHIGU532VDMW3LV.JPG.exe

Step 5

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