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HTML_IFRAME.ASUPJ

October 17, 2017
 Analysis by: Byron Jon Gelera
 ALIASES:

HTML/IFrame.AI (ESET-NOD32)

 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:

Downloaded from the Internet


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

It does not have any propagation routine.

It does not have any backdoor routine.

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain IFRAME tag. Once a user visits an affected Web page, this HTML script launches a hidden IFRAME that connects to a malicious URL. It inserts an IFRAME tag that redirects users to certain URLs. However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

276 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

11 Oct 2017

Payload:

Launches hidden IFRAME that redirects to certain URLs

Arrival Details

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

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Other Details

This is the Trend Micro detection for Web pages that were compromised through the insertion of a certain IFRAME tag.

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

It inserts an IFRAME tag that redirects users to the following URLs:

  • http://{BLOCKED}rab.net/js/*

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

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.712.08

FIRST VSAPI PATTERN DATE:

11 Oct 2017

VSAPI OPR PATTERN File:

13.713.00

VSAPI OPR PATTERN Date:

12 Oct 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.ASUPJ. 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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