Analysis by: jasperm


Windows 2000, Windows XP, Windows Server 2003


  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes


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


File Size: 219 bytes
File Type: HTML, HTM
Memory Resident: No
Initial Samples Received Date: 23 Dec 2010
Payload: Downloads files

Arrival Details

This Trojan may be downloaded from the following remote sites:

  • http://{BLOCKED}
  • http://{BLOCKED}

Other Details

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

It does the following:

  • Arrives via spammed messages containing links where this file can be downloaded:

  • Once this malicious HTML page is viewed, it displays the following image:

  • Redirects browsers to the following website to download a .ZIP, file which contains a malicious file detected as TSPY_ZBOT.XMAS:
    • http://{BLOCKED}


Minimum Scan Engine: 8.900

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 HTML_IFRAME.SMAX

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_IFRAME.SMAX. 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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