Analysis by: rolandde

 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 is capable of stealing FTP credentials. The stolen information is then sent to a remote user, thus, leading to unauthorized access of FTP sites.

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: 663,040 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 16 Dec 2011

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.

NOTES:

It is capable of stealing FTP credentials related to the following FTP clients:

  • FTP Abstract
  • FAR
  • WTCx
  • WS_FTP
  • CuteFTP
  • FlashFXP
  • FileZilla
  • FTPCommander
  • BProofFTP
  • SmartFTP
  • TurboFTP
  • FFFTP
  • CoffeeCup
  • CoreFTP
  • FTPExplorert
  • Frigate3
  • SecureFX
  • UltraFXP_Base
  • UltraFXP
  • FTPRush
  • WebSitePublisher
  • BitKinex
  • ExpanDrive
  • ClassicFTP
  • Fling
  • SoftX
  • DOpus
  • FTPUploaderT
  • FreeFTP
  • LeapFTP4
  • WinSCP
  • 32bit
  • WebDrive
  • FTPControl
  • NetDrive

The stolen information is then sent to a remote user, thus, leading to unauthorized access of FTP sites.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.662.01
FIRST VSAPI PATTERN DATE: 22 Dec 2011
VSAPI OPR PATTERN File: 8.663.00
VSAPI OPR PATTERN Date: 23 Dec 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as TSPY_FTPGRAB.A. 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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