HTML_HTAPORN.SM7

March 08, 2014
 Analysis by: Rika Joi Gregorio
 Modified by: Jimelle Monteser
 ALIASES:

Trojan.Malscript(Symantec)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

This malware directs browsers to porn sites.

This Trojan may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

923 bytes

File Type:

, HTML, HTM

Initial Samples Received Date:

30 Nov 2011

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

NOTES:

It connects to the following URLs to display pornographic content to lure users to subscribe to their porn sites:

  • http://www.{BLOCKED}nk.info/regist1.php?s=3&d=31&f=01&p=45525750
  • http://www.{BLOCKED}ies.com/regist1.php?s=1&d=04&f=01&p=44662026

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

  SOLUTION

Minimum Scan Engine:

9.700

VSAPI OPR PATTERN File:

8.615.00

VSAPI OPR PATTERN Date:

30 Nov 2011

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_HTAPORN.SM7. 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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