ALIASES:

TrojanDownloader:Win32/Banload.NQ (Microsoft); PWS-Banker!fss (McAfee); Trojan.Gen (Symantec); Trojan-Downloader.Win32.Banload.ateb (Kaspersky); Trojan.Win32.Generic!SB.0 (Sunbelt); Trojan horse Downloader.Banload.AVJJ (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware 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: 68,096 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 13 Jun 2013

Arrival Details

This spyware 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 spyware creates the following folders:

  • %System Root%\Arquivos de Programas
  • %System Root%\Arquivos de Programas\Windows Live
  • %System Root%\Arquivos de Programas\Windows Live\Messenger

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Dropping Routine

This spyware drops the following files:

  • %System Root%\Arquivos de Programas\Windows Live\Messenger\BDGhFvkgVKqTZdoc.cfg

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.300

Step 1

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

Step 2

Search and delete this file

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %System Root%\Arquivos de Programas\Windows Live\Messenger\BDGhFvkgVKqTZdoc.cfg

Step 3

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\Arquivos de Programas
  • %System Root%\Arquivos de Programas\Windows Live
  • %System Root%\Arquivos de Programas\Windows Live\Messenger

Step 4

Scan your computer with your Trend Micro product to delete files detected as TSPY_BANKER.ZZ. 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.


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