JS_IFRAME.AAA

March 11, 2011

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 Analysis by: Michael Cabel

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 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

• 
  Threat Type: Trojan
• 
  Destructiveness: No
• 
  Encrypted: Yes
• 
  In the wild: Yes

  OVERVIEW

This Trojan connects to a Web site to download and execute a malicious file.

  TECHNICAL DETAILS

File Size:

7,017 bytes

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

11 Nov 2010

Download Routine

This Trojan connects to the following Web site(s) to download and execute a malicious file:

• http://{BLOCKED}.91.49/spl/pdf.php

Trend Micro detects the dowloaded file as:

• TROJ_PIDIEF.PUA

  SOLUTION

Minimum Scan Engine:

8.900

Step 1

For Windows ME and XP users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware files dropped/downloaded by JS_IFRAME.AAA

TROJ_PIDIEF.PUA

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_IFRAME.AAA 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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Related Malware

• TROJ_PIDIEF.PUA