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Trojan.PDF.PHISH.TIAOOHLR

March 13, 2020
 Analysis by: Patrick Noel Collado
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Spammed via email, Downloaded from the Internet

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It 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:

446,807 bytes

File Type:

PDF

Memory Resident:

Yes

Initial Samples Received Date:

04 Mar 2020

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It 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 Trojan does the following:

  • It shows the user the following to trick them into accessing the website:
  • It will then redirect to the following link: https://{BLOCKED}lcargo.com/wp-content/fold/www.omya.com/microsoft-4T1021/index.php

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.724.08

FIRST VSAPI PATTERN DATE:

05 Mar 2020

VSAPI OPR PATTERN File:

15.725.00

VSAPI OPR PATTERN Date:

06 Mar 2020

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 Trojan.PDF.PHISH.TIAOOHLR. 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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