Analysis by: Kennard Yap
 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan 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: 499,712 bytes
File Type: EXE
Memory Resident: Yes

Arrival Details

This Trojan 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 adds the following registry keys:

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MyEdit

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MyEdit\Recent File List

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MyEdit\Settings

It connects to the following possibly malicious URL:

  • library.{BLOCKED}ns.com/logo.png

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.788.04
FIRST VSAPI PATTERN DATE: 06 Apr 2020
VSAPI OPR PATTERN File: 15.789.00
VSAPI OPR PATTERN Date: 07 Apr 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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\MyEdit
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\MyEdit\Recent File List
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\MyEdit\Settings

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_ICONDOWN.ZYHD-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 this Knowledge Base page for more information.

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_ICONDOWN.ZYHD-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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