Analysis by: Kiyoshi Obuchi
 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Hacking Tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

  TECHNICAL DETAILS

Tamaño del archivo 26,213,253 bytes
Tipo de archivo EXE
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 20 Jun 2019

Arrival Details

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

It may be manually installed by a user.

Dropping Routine

This Hacking Tool drops the following files:

  • %User Temp%\nsp9057.tmp\newadvsplash.dll
  • %User Temp%\nsp9057.tmp\InstallOptions.dll
  • %User Temp%\nsp9057.tmp\modern-header.bmp
  • %User Temp%\nsp9057.tmp\ioSpecial.ini
  • %User Temp%\nsp9057.tmp\System.dll
  • %User Temp%\nsp9057.tmp\Extra Software.ini
  • %User Temp%\nsp9057.tmp\modern-wizard.bmp
  • %User Temp%\nsp9057.tmp\MSN Messenger.ini
  • %User Temp%\nsp9057.tmp\splash.gif
  • %User Temp%\nsp9057.tmp\LangDLL.dll

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

  SOLUTION

Motor de exploración mínimo 9.850
Archivo de patrones de SSAPI: 2.189.00
Fecha de publicación del patrón SSAPI 27 Jun 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

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\nsp9057.tmp\newadvsplash.dll
  • %User Temp%\nsp9057.tmp\InstallOptions.dll
  • %User Temp%\nsp9057.tmp\modern-header.bmp
  • %User Temp%\nsp9057.tmp\ioSpecial.ini
  • %User Temp%\nsp9057.tmp\System.dll
  • %User Temp%\nsp9057.tmp\Extra Software.ini
  • %User Temp%\nsp9057.tmp\modern-wizard.bmp
  • %User Temp%\nsp9057.tmp\MSN Messenger.ini
  • %User Temp%\nsp9057.tmp\splash.gif
  • %User Temp%\nsp9057.tmp\LangDLL.dll

Step 3

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win32.WFPDisabler.GAV. 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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