JS_IFRAME.AVX

October 08, 2012
 Analysis by: jasperm
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be downloaded by other malware/grayware from remote sites. However, as of this writing, the said sites are inaccessible.

This is the Trend Micro detection for files that contain malicious IFRAME tags. It inserts an IFRAME tag that redirects users to certain URLs.

  TECHNICAL DETAILS

File Size:

164 bytes

File Type:

Script

Memory Resident:

No

Initial Samples Received Date:

22 Sep 2010

Payload:

Downloads files

Arrival Details

This Trojan may be downloaded by the following malware/grayware from remote sites:

  • JS_REDIR.GQ

It may be downloaded from the following remote sites:

  • http://{BLOCKED}rmc.com/iframefile.js

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

Other Details

This is the Trend Micro detection for files that contain malicious IFRAME tags.

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

  • http://fysucal.{BLOCKED}.cc/images/?rnd=0&mode=boz&refresh=0&pid=168&i=ssl&a=do

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.483.00

VSAPI PATTERN Date:

22 Sep 2010

VSAPI PATTERN Date:

9/22/2010 12:00:00 AM

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware files dropped/downloaded by JS_IFRAME.AVX

    • JS_REDIR.GQ

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_IFRAME.AVX. 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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