Trojan.HTML.IFRAME.FASGF

October 30, 2019
 Analysis by: Warren Adam Sto. Tomas
 ALIASES:

JS/Iframe.AN!tr(Fortinet); Mal/Iframe-AN(Sophos Lite)

 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 arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It 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.

  TECHNICAL DETAILS

File Size:

206,705 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

09 Mar 2019

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It 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 does the following:

  • It has an HTML IFRAME tag which connects to the following URL:
    • http://ads.{BLOCKED}ser.com/ads

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.462.04

FIRST VSAPI PATTERN DATE:

29 Oct 2019

VSAPI OPR PATTERN File:

15.463.00

VSAPI OPR PATTERN Date:

30 Oct 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 Trojan.HTML.IFRAME.FASGF. 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 the following Trend Micro Support pages for more information:


Did this description help? Tell us how we did.