HTML_IFRAME.CSH

June 26, 2015
 Analysis by: RonJay Kristoffer Caragay
 ALIASES:

HTML:Iframe-inf (Avast); HTML/Iframe.gen.s (McAfee)

 PLATFORM:

Windows

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

  • 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. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

20,667 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

22 May 2015

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.

It connects to the following possibly malicious URL:

  • http://discordante.{BLOCKED}ndrugstore.com/observe_whee_brownest_unevenness/476246068160138242
  • http://www.{BLOCKED}c.is/en/buy-priligy/
  • http://{BLOCKED}chasf.com/online/clomid.html
  • http://{BLOCKED}alitynetwork.ca/buy-propecia/
  • http://www.{BLOCKED}initygnv.org/buy-clomid/
  • http://www.{BLOCKED}obettini.it/buy-levitra/
  • http://{BLOCKED}f-porn.tumblr.com/
  • http://www.{BLOCKED}ogellner.de/propecia-online/

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

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.750

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

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


Did this description help? Tell us how we did.