Analysis by: John Rainier Navato
 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size: 168,515 bytes
File Type: JS
Memory Resident: No
Initial Samples Received Date: 19 Sep 2025

Arrival Details

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Backdoor Routine

This Backdoor connects to the following websites to send and receive information:

  • https://api.{BLOCKED}ite.com/api/app/create
  • https://api.{BLOCKED}ite.com/api/app/getsettings
  • https://api.{BLOCKED}ite.com/api/app/update
  • https://api.{BLOCKED}ite.com/api/app/patch
  • https://api.{BLOCKED}ite.com/api/app/log
  • https://api.{BLOCKED}ite.com/api/app/ui
  • https://api.{BLOCKED}ite.com/api/app/patch
  • https://api.{BLOCKED}ite.com/api/app/pixel
  • https://api.{BLOCKED}ite.com/api/app/gwe
  • https://api.{BLOCKED}ite.com/api/app/check
  • https://api.{BLOCKED}ite.com/api/app/getoptions
  • https://api2.{BLOCKED}ite.com/api/app/create
  • https://api2.{BLOCKED}ite.com/api/app/getsettings
  • https://api2.{BLOCKED}ite.com/api/app/update
  • https://api2.{BLOCKED}ite.com/api/app/patch
  • https://api2.{BLOCKED}ite.com/api/app/log
  • https://api2.{BLOCKED}ite.com/api/app/ui
  • https://api2.{BLOCKED}ite.com/api/app/patch
  • https://api2.{BLOCKED}ite.com/api/app/pixel
  • https://api2.{BLOCKED}ite.com/api/app/gwe
  • https://api2.{BLOCKED}ite.com/api/app/check
  • https://api2.{BLOCKED}ite.com/api/app/getoptions
  • https://log.{BLOCKED}ite.com
  • https://console.{BLOCKED}ite.com/en/pdfeditor

Other Details

This Backdoor does the following:

  • It executes the following backdoor commands:
    • Read, write, delete, enumerate, or extract files.
    • Read, write, or delete registry entries
    • Download and execute files
    • Enumerate processes
    • Terminate processes
    • Execute processes
    • Execute arbitrary commands
  • It can steal information from the following browsers:
    • Wave Browser
    • OneLaunch Browser
    • Shift Browser
  • It can steal the following information from browsers:
    • Saved Credentials
    • Browser History
    • Cookies

It accepts the following parameters:

  • --uninstall → Triggers cleanup and self-removal
  • --repair → Reinstalls components and resets configuration
  • --cleanup → Removes user data and traces
  • --check-update → Forces update check and download
  • --standalone-update → Silent update mode

  SOLUTION

Minimum Scan Engine: 9.800
VSAPI OPR PATTERN File: 20.468.08
VSAPI OPR PATTERN Date: 19 Sep 2025
OPP PATTERN File: 20.469.00
OPP PATTERN Date: 19 Sep 2025

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

Scan your computer with your Trend Micro product to delete files detected as Backdoor.JS.EVILAI.C. 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:


Did this description help? Tell us how we did.