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HTML_IFRAME.AAH

February 03, 2016
 Analysis by: Sammy Chua
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It 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.

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

  TECHNICAL DETAILS

File Size:

14,537 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

22 Jan 2016

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It 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 Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}de.net/images/inquiry/inquiry_02.gif
  • http://www.{BLOCKED}de.net/upload/logo/201210/20121030084504.gif
  • http://{BLOCKED}de.net/images/eCL/ecl_bg_title04.gif
  • http://www.{BLOCKED}de.net/KMS/mail_ck_4.php?b_type=201210&b_type2=01&d_type=C1042&e_type=20121001KM1365C1042_193511
  • http://www.{BLOCKED}de.net/upload/prod/201210/C104220121030084856.gif
  • http://www.{BLOCKED}de.net/upload/prod/201210/C104220121030084927.gif
  • http://{BLOCKED}de.net/images/eCL/inq_bt02.png
  • http://{BLOCKED}de.net/images/eCL/site_bt02.png
  • http://{BLOCKED}de.net/images/inquiry/inquiry_01.gif
  • http://{BLOCKED}de.net/images/icon/send_100.20.gif
  • http://www.{BLOCKED}yung.co.kr/eng
  • http://www.{BLOCKED}print.jp
  • http://www.{BLOCKED}co.com
  • http://www.{BLOCKED}a.com

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

  SOLUTION

Minimum Scan Engine:

9.800

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.AAH. 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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