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HTML_IFRAME.MJV

August 11, 2017
 Analysis by: Michael Jay Villanueva
 ALIASES:

HTML/IFRAME.gen (Cyren); HTML:Iframe-inf (Avast)

 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.

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

  TECHNICAL DETAILS

File Size:

209 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

07 Aug 2017

Arrival Details

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}ds.com/x.html
  • http://{BLOCKED}d.{BLOCKED}s.com/r.html
  • http://{BLOCKED}d.{BLOCKED}s.com/ss.html

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

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.580.05

FIRST VSAPI PATTERN DATE:

07 Aug 2017

VSAPI OPR PATTERN File:

13.581.00

VSAPI OPR PATTERN Date:

08 Aug 2017

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.MJV. 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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