HTML_ALLAPLE.SML

October 08, 2012
 Analysis by: Michael Cabel
 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 is Trend Micro's detection for compromised HTML (.HTM and .HTML) files.

These files are prepended with malicious code(s).

Once this compromised file is executed, it executes the component malware file by calling an CLSID that points to the malicious file.

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

  TECHNICAL DETAILS

File Size:

Varies

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

09 Jun 2010

Arrival Details

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

Other Details

This Trojan does the following:

  • This is Trend Micro's detection for compromised HTML (.HTM and .HTML) files. These files are prepended with malicious code(s). Once an unsuspecting user views an infected file it executes possible malicious file in the affected system. Once this compromised file is executed, it executes the component malware file by calling an CLSID that points to the malicious file.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.229.80

VSAPI PATTERN Date:

09 Jun 2010

VSAPI PATTERN Date:

6/9/2010 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

Close all opened browser windows

Step 3

Scan your computer with your Trend Micro product to delete files detected as HTML_ALLAPLE.SML. 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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