Analysis by: Christopher Daniel So
ALIASES:

Exploit:HTML/IframeRef.gen (Microsoft), Mal/Iframe-F (Sophos), HTML/IFrame (Authentium)

 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

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

It inserts an IFRAME tag that redirects users to certain URLs.

  TECHNICAL DETAILS

File Size: 504 Bytes bytes
File Type: Script
Memory Resident: No
Initial Samples Received Date: 12 Dec 2010
Payload: Connects to URLs/Ips

Backdoor Routine

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

Other Details

This Trojan inserts an IFRAME tag that redirects users to the following URLs:

  • http://{BLOCKED}a.ru/vyhod/numizmat/ima/

  SOLUTION

Minimum Scan Engine: 8.900

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 JS_IFRAME.OYA. 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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