Trojan.JS.REDIR.RPF

November 21, 2019
 Analysis by: Arianne Grace Dela Cruz
 ALIASES:

Trojan.Script.Agent.bg (KASPERSKY); JS/Agent.BG!tr (FORTINET)

 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, Dropped by other malware

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

It redirects browsers to certain sites.

  TECHNICAL DETAILS

File Size:

929 bytes

File Type:

JS

Memory Resident:

No

Initial Samples Received Date:

09 Nov 2019

Arrival Details

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

Other Details

This Trojan redirects browsers to the following sites:

  • https://click.{BLOCKED}nalytics208.com/s_code.js?cid=240&v=73a55f6de3dee2a751c3

It does the following:

  • The malware will proceed with the redirection, every time it is used/loaded by a webpage visited by the user.

NOTES:

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

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.490.02

FIRST VSAPI PATTERN DATE:

12 Nov 2019

VSAPI OPR PATTERN File:

15.491.00

VSAPI OPR PATTERN Date:

13 Nov 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 Trojan.JS.REDIR.RPF. 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 the following Trend Micro Support pages for more information:


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