HTML_IFRAME.USR

July 08, 2013
 Analysis by: Alvin Bacani
 ALIASES:

JS/Exploit-Blacole.b!heur (NAI)

 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:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

342 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

01 Jul 2013

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

NOTES:

This malware loads the Trojan TROJ_PIDIEF.USR from the following site:

  • http://{BLOCKED}otel.net/news/severe-table_directs.php?gpmcg=2v:33:2w:1n:1m&ekcoej=m&gmfsm=1j:1i:1g:1l:2v:33:32:1i:2v:1h&lwanwsb=1f:1d:1f:1d:1f:1d:1f

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.128.09

FIRST VSAPI PATTERN DATE:

01 Jul 2013

VSAPI OPR PATTERN File:

10.129.00

VSAPI OPR PATTERN Date:

01 Jul 2013

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_IFRAME.USR

Step 3

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