Analysis by: John Anthony Banes

ALIASES:

Downloader.Win32.Softonic.c (Kaspersky); Win32/SoftonicDownloader.A (NOD32)

 PLATFORM:

Windows

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

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Potentially Unwanted Application 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.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

Tamaño del archivo 287,000 bytes
Tipo de archivo EXE
Fecha de recepción de las muestras iniciales 27 Dec 2018

Arrival Details

This Potentially Unwanted Application 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.

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_CURRENT_USER\Software\Softonic\
Universal Downloader\session

HKEY_CURRENT_USER\Software\Softonic\
Universal Downloader

HKEY_CURRENT_USER\Software\Softonic

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • https://pdf-knife.{BLOCKED}ic.jp/universaldownloader-prefetch

However, as of this writing, the said sites are inaccessible.