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JS_WAPOMI.A

July 24, 2014
 Analysis by: Rhena Inocencio
 ALIASES:

Trojan:HTML/Redirector.AD (Microsoft), W32/Simfect!htm (McAfee)

 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:

inserted script by PE_WAPOMI


This Trojan executes when a user accesses certain websites where it is hosted.

This is the Trend Micro detection for files that contain a malicious script. It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

HTML, HTM

Initial Samples Received Date:

13 Feb 2014

Payload:

Browser redirection

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

This malware arrives via the following means:

Other Details

This is the Trend Micro detection for files that contain a malicious script.

It redirects browsers to the following sites:

  • http://www.{BLOCKED}ewr.com/js/w.js

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.604.07

FIRST VSAPI PATTERN DATE:

13 Feb 2014

VSAPI OPR PATTERN File:

10.605.00

VSAPI OPR PATTERN Date:

13 Feb 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 that dropped/downloaded JS_WAPOMI.A. (Note: Please skip this step if the threat(s) listed below have already been removed.)

Step 3

Scan your computer with your Trend Micro product to delete files detected as JS_WAPOMI.A. 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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