Analysis by: Joachim Suico
ALIASES:

TrojanDownloader:Win32/Ruckguv.A (Microsoft); Trojan.Ruckguv.Win32.1 (Zillya); Trojan-Downloader.Win32.Injecter.jnb (Kaspersky)

 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.

It deletes itself after execution.

  TECHNICAL DETAILS

Tamaño del archivo 159,336 bytes
Tipo de archivo EXE
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 21 Apr 2015

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.

Installation

This Trojan adds the following processes:

  • svchost.exe

Other System Modifications

This Trojan adds the following registry entries:

HKEY_CURRENT_USER\Software\Windows\
CurrentVersion
path = "{malware path}\{malware name}.exe"

Other Details

This Trojan connects to the following possibly malicious URL:

  • {BLOCKED}products.com:443

It deletes itself after execution.