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TROJ_DLOADR.YSP

November 10, 2016
 ALIASES:

(Symantec) Downloader; (Baidu-International) Trojan.Win32.Downloader.aa

 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:

2,510,336 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

17 Nov 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 the following files:

  • %Application Data%\explinance.iso
  • %Application Data%\bouyaux.iso

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://www.{BLOCKED}federaldobrasil.org/inces/explinance.iso
  • http://www.{BLOCKED}federaldobrasil.org/inces/bouyaux.iso
  • http://www.{BLOCKED}mgipva.com/fixande/write/?query=RFlJVC1XSU43LVg4NjtXaW5kb3dzIDcgKHg4Nik7RGlzYWJsZWQ7MDAtMEMtMjktMzMtMEYtMjU7RGlzYWJsZWQ7MS4x