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HTML_IFRAME.USR
Aliases: JS/Exploit-Blacole.b!heur (NAI)
Malware type: Trojan
Destructive: No
Platform: Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
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 Release Date: 01 Jul 2013
VSAPI OPR Pattern Version: 10.129.00
VSAPI OPR Pattern Release 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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Analysis By: Alvin Bacani

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