Analysis by: Rhena Inocencio
ALIASES:

a variant of Win32/PSW.Delf.OAS trojan (ESET), Trj/GdSda.A (Panda)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This spyware may arrive bundled with malware packages as a malware component.

It steals certain information from the system and/or the user.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size: 1,225,728 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 18 Jul 2016

Arrival Details

This spyware may arrive bundled with malware packages as a malware component.

Information Theft

This spyware steals the following information:

  • User
  • OS
  • Computer
  • Host
  • Country
  • Language
  • Time
  • WinKey
  • Desktop
  • Uptime
  • HDDs
  • Processes
  • Password
  • Processor Information
  • BIOS Information

It attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:

  • Bullet Proof FTP
  • Classic FTP
  • CoffeeCup FTP
  • Core FTP
  • CuteFTP
  • Download Master
  • ExpanDrive
  • FAR Manager FTP
  • FFFTP
  • FTP Commander
  • FTP Commander Deluxe
  • FTP Commander Pro
  • FTP Explorer
  • FTP Uploader
  • FTPRush
  • FileZilla
  • FlashFXP
  • FlashGet (JetCar)
  • Frigate3 FTP
  • GetRight
  • Internet Download Accelerator
  • LeapFTP
  • SecureFX
  • SmartFTP
  • SoftX FTP Client
  • UltraFXP
  • WebDrive
  • WinSCP

It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:

  • Mozilla Firefox
  • Mozilla Thunderbird
  • Internet Explorer
  • Google Chrome
  • SeaMonkey
  • Opera Software
  • Flock

Other Details

This spyware requires its main component to successfully perform its intended routine.

NOTES:

This spyware gathers information such as usernames and passwords from the following applications:

  • AIM Pro
  • ASP.NET Account
  • Absolute Poker
  • BitKinex
  • CamFrog
  • Cisco VPN Client
  • Conne
  • Dialer Queen
  • Digsby
  • Eudora
  • Excite Private Messenger
  • Faim
  • FlexibleSoft Dialer
  • Fling
  • FreeCall
  • FullTiltPoker
  • GAIM
  • Gizmo Project
  • Google Talk
  • ICQ/AIM
  • ICQ2003/Lite
  • IM2 (Messenger 2)
  • JAJC
  • MSN Messenger
  • Mail Commander
  • MuxaSoft Dialer
  • MySpaceIM
  • NetDrive
  • Odigo
  • PC Remote Control
  • Paltalk
  • PartyPoker
  • PokerStars
  • PySoft
  • QIP Online
  • TitanPoker
  • Total Commander
  • Trillian
  • Trillian Astra
  • WinVNC
  • Windows Live Mail
  • Windows Mail
  • Yahoo!
  • Yahoo! Messenger

It listens to port 508 for connection. If found, it sends the gathered information.

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 12.660.08
FIRST VSAPI PATTERN DATE: 18 Jul 2016
VSAPI OPR PATTERN File: 12.661.00
VSAPI OPR PATTERN Date: 19 Jul 2016

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

Scan your computer with your Trend Micro product to delete files detected as TSPY_STILLER.B. 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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