Analysis by: Janus Agcaoili
ALIASES:

not-a-virus:Downloader.Win32.Agent.bxib (Kaspersky), PUP.Optional.SofTonic (Malwarebytes), a variant of Win32/SoftonicDownloader.E potentially unwanted (ESET-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.

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

  TECHNICAL DETAILS

Tamaño del archivo 401,768 bytes
Tipo de archivo EXE
Residente en memoria No
Fecha de recepción de las muestras iniciales 02 Feb 2016

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.

Other Details

This potentially unwanted application connects to the following possibly malicious URL:

  • http://{BLOCKED}ad-video-editor.softonic.jp/universaldownloader-prefetch

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

  SOLUTION

Motor de exploración mínimo 9.800
Archivo de patrones de SSAPI: 1.704.08
Fecha de publicación del patrón SSAPI 04 Feb 2016

Step 1

Scan your computer with your Trend Micro product to delete files detected as PUA_SOFTONIC.GA. 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 2

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.


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