Analysis by: Pearl Charlaine Espejo
ALIASES:

TR/Dropper.Gen2 (Avira); Trojan.ADH.2 (Symantec); Trojan.Win32.Autoit.dun (Kaspersky); Trojan.Win32.Autoit (Ikarus)

 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: 3,709,270 bytes
Initial Samples Received Date: 18 May 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 drops and executes the following files:

  • %Temp%\player.exe
  • %Temp%\FreeJapanAV.exe

(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.)

Other System Modifications

This Trojan adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR SFX
C%%WINDOWS%temp = "%Temp%\"