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JS_REDIR.DG

November 14, 2014
 Analysis by: Francis Xavier Antazo
 ALIASES:

BehavesLike.JS.BufferOverflow.a (McAfee-GW-Edition), VBS/Heur (AVG)

 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: Yes

  • In the wild: Yes

  OVERVIEW


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. It arrives as a component bundled with malware/grayware packages.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

1,398 bytes

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

23 Dec 2013

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.

It arrives as a component bundled with malware/grayware packages.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://link.{BLOCKED}k.com/popad.php

It requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.490.02

FIRST VSAPI PATTERN DATE:

23 Dec 2013

VSAPI OPR PATTERN File:

10.491.00

VSAPI OPR PATTERN Date:

24 Dec 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

Scan your computer with your Trend Micro product to delete files detected as JS_REDIR.DG. 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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