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

This PHP script Trojan uses social engineering methods to lure users into performing certain actions that may, directly or indirectly, result to malicious routines. Specifically, it makes use of Facebook to post links to malicious websites.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

It displays a page with a title, such as "This Guy Took A Picture Of His Face Every Day For 8 Years." This page also contains Like and Continue buttons. When an unsuspecting user clicks on the Like button, a link is posted on the user's Facebook wall that leads to a malicious site When a user, however, clicks the Continue button, it opens a possibly malicious page, which is inaccessible as of this writing

Note that the title of the window may vary.

This Trojan may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size: 37,666 bytes
File Type: Script
Initial Samples Received Date: 06 Mar 2011
Payload: Downloads files, Infects Facebook user walls

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Note :

It displays a page with a title, such as "This Guy Took A Picture Of His Face Every Day For 8 Years." This page also contains Like and Continue buttons. When an unsuspecting user clicks on the Like button, a link is posted on the user's Facebook wall that leads to a malicious site. When a user, however, clicks the Continue button, it opens the possibly malicious page, http://{BLOCKED}ures-of-faces.info/watch.php, which is inaccessible as of this writing.

It may also contain any of the following titles:

  • Look What Happens When Father And Daughter Meet On Chat Roulette
  • I can’t believe a GIRL did this because of Justin Bieber
  • SICK! I lost all respect for Miley Cyrus when I watched this video!

This script may be hosted from any of the following domains:

  • {BLOCKED}h-face-7.info
  • {BLOCKED}h-face-1.info
  • {BLOCKED}h-face-2.info
  • {BLOCKED}h-face-3.info
  • {BLOCKED}h-face-4.info
  • {BLOCKED}h-face-5.info
  • {BLOCKED}h-face-6.info
  • {BLOCKED}e-pics-1.info
  • {BLOCKED}e-pics-2.info
  • {BLOCKED}e-pics-3.info
  • {BLOCKED}e-pics-4.info
  • {BLOCKED}e-pics-5.info
  • {BLOCKED}e-pics-6.info
  • {BLOCKED}e-pics-7.info
  • {BLOCKED}e-pics-8.info
  • {BLOCKED}e-pics-9.info
  • {BLOCKED}-face-1.info
  • {BLOCKED}-face-2.info
  • {BLOCKED}-face-3.info
  • {BLOCKED}-face-4.info
  • {BLOCKED}-face-5.info
  • {BLOCKED}-face-6.info
  • {BLOCKED}-face-7.info
  • {BLOCKED}usteds.info
  • {BLOCKED}ustedonline.info
  • {BLOCKED}th-face1.info
  • {BLOCKED}rvey.mobi
  • {BLOCKED}p.me
  • {BLOCKED}ts-caught.info
  • {BLOCKED}bernow.info
  • {BLOCKED}-bieber-1.info
  • {BLOCKED}-bieber-2.info
  • {BLOCKED}-bieber-3.info
  • {BLOCKED}-bieber-4.info
  • {BLOCKED}-bieber-5.info
  • {BLOCKED}-bieber-6.info
  • {BLOCKED}-bieber-7.info
  • {BLOCKED}ley.info
  • {BLOCKED}b.info
  • {BLOCKED}mg.info
  • {BLOCKED}tmiley.info
  • {BLOCKED}o.info
  • {BLOCKED}ot.net voovee.info

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 7.878.08
FIRST VSAPI PATTERN DATE: 06 Mar 2011
VSAPI OPR PATTERN File: 7.879.00
VSAPI OPR PATTERN Date: 07 Mar 2011

Step 1

For Windows ME and XP 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 PHP_FBJACK.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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