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HTML_IFRAME.MALF

December 18, 2015
 ALIASES:

Troj/JSRedir-RF (Sophos)

 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, Dropped by other malware

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.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not have any information-stealing capability.

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.

  TECHNICAL DETAILS

File Size:

1,345 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

15 Dec 2015

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Information Theft

This Trojan does not have any information-stealing capability.

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}slon.cf/straitjacket/emboldened.php?carpus=4090&hypersensitivity=impossibilities

NOTES:
It displays advertisements on Internet browsers that contains the following link:

  • http://{BLOCKED}ress.com/?ad=64820

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.214.09

FIRST VSAPI PATTERN DATE:

17 Dec 2015

VSAPI OPR PATTERN File:

12.215.00

VSAPI OPR PATTERN Date:

17 Dec 2015

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.MALF. 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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