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JS_REDIR.XXQL

July 27, 2017
 Analysis by: Michael Jay Villanueva
 ALIASES:

JS/Redir-DA (Sophos)

 PLATFORM:

Windows

 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:

Downloaded from the Internet

This Trojan may be hosted on a website and run when a user accesses the said website.

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

  TECHNICAL DETAILS

File Size:

707 bytes

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

25 Jul 2017

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Other Details

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

It redirects browsers to the following sites:

  • http://{BLOCKED}.{BLOCKED}.116.78/jquery.js

It does the following:

  • The malware will proceed with the redirection, every time it is used/loaded by a webpage visited by the user.
  • After redirecting to the said site, a new script (jquery.js) will be loaded directly, which came from the malicious site.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.554.05

FIRST VSAPI PATTERN DATE:

25 Jul 2017

VSAPI OPR PATTERN File:

13.555.00

VSAPI OPR PATTERN Date:

26 Jul 2017

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

Close all opened browser windows

Step 3

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