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JS_IFRAME.SMJJ

February 01, 2013
 Analysis by: Rika Joi Gregorio
 ALIASES:

Trojan:JS/Iframe.BT(Microsoft), JS/Iframe.FS trojan(Eset)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

This is the Trend Micro detection for files that contain malicious IFRAME tags. Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL. It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

HTML, HTM

Initial Samples Received Date:

30 Jan 2013

Payload:

Connects to URLs/IPs

Arrival Details

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

Other Details

This is the Trend Micro detection for files that contain malicious IFRAME tags.

Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL.

It redirects browsers to the following sites:

  • http://{BLOCKED}.{BLOCKED}.143.237/images/hg728x90.swf?clickTAG=http://secure.hostgator.com/cgi-bin/affiliates/clickthru.cgi?id=page404
  • http://{BLOCKED}-alles.net/
  • http://{BLOCKED}eup.info/defaultsite
  • http://{BLOCKED}eup.info/stats.php
  • http://{BLOCKED}lolo.net/demo/single/counter.php?sid=1
  • http://www.{BLOCKED}ssonline.de
  • http://www.{BLOCKED}-berlin.de