HTML_EXPLOAD.OCF

 Analysis by: Vincent Martin Hermosura

 ALIASES:

Exp/20141776-A (Sophos), |%name%=JS/Exploit|%idn%=0af68abd9dc0c500| (AVG), CVE141776 (exact, not disinfectable) (Fprot), Exploit.HTML.CVE20141776 (Ikarus), Exploit:HTML/CVE-2014-1776.A (Microsoft), EXP/CVE-2014-1776.C (Antivir)

 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: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet


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

  TECHNICAL DETAILS

File Size:

1,182 bytes

File Type:

HTML, HTM

Memory Resident:

No

Initial Samples Received Date:

08 May 2014

Payload:

Downloads files

Arrival Details

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

NOTES:

This malware loads the following files:

  • vshow.swf - detected as SWF_EXPLOYT.OCF
  • cmmon.js - detected as JS_EXPLOYT.OP

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.782.03

FIRST VSAPI PATTERN DATE:

07 May 2014

VSAPI OPR PATTERN File:

10.783.00

VSAPI OPR PATTERN Date:

08 May 2014

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

Remove the malware/grayware file dropped/downloaded by HTML_EXPLOAD.OCF

Step 3

Close all opened browser windows

Step 4

Scan your computer with your Trend Micro product to delete files detected as HTML_EXPLOAD.OCF. 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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