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BKDR_WILDPOSITRON.ZJFL-A

December 28, 2018
 Analysis by: Maureen Reyes
 ALIASES:

Trojan.Win64.WildPositron.a (Kaspersky), Trojan:Win64/Malagent (Microsoft),

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • 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.

  TECHNICAL DETAILS

File Size:

159,232 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

19 Nov 2018

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.

Other Details

This Backdoor connects to the following possibly malicious URL:

  • http://{BLOCKED}.{BLOCKED}.41.56/board.php
  • http://www.{BLOCKED}il.com.sg:443
  • http://{BLOCKED}.{BLOCKED}.99.20/view_style.php
  • http://{BLOCKED}.{BLOCKED}.41.56
  • http://{BLOCKED}.{BLOCKED}.172.132

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.696.04

FIRST VSAPI PATTERN DATE:

18 Dec 2018

VSAPI OPR PATTERN File:

14.697.00

VSAPI OPR PATTERN Date:

19 Dec 2018

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 BKDR_WILDPOSITRON.ZJFL-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 the following Trend Micro Support pages for more information:


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