Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

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: 122,880 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 19 Dec 2012
Payload: Connects to URLs/IPs, Steals information

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.

Information Theft

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

  • 32Bit FTP
  • 3D FTP
  • ALFTP
  • AceBIT
  • BitKinex
  • Blaze FTP
  • Bullet Proof FTP
  • Classic FTP
  • CoffeeCup FTP
  • Core FTP
  • Cute FTP
  • Directory Opus
  • Easy FTP
  • ExpanDrive
  • FFFTP
  • FTP Client
  • FTP Control
  • FTP Count
  • FTP Explorer
  • FTP Getter
  • FTP Now
  • FTP Voyager
  • FTP++
  • FTPRush
  • Far FTP
  • FileZilla
  • FlashFXP
  • Fling FTP
  • FreshFTP
  • Frigate FTP
  • Ghisler Total Commander
  • Ghisler Windows Commander
  • Go FTP
  • Ipswitch
  • Leap FTP
  • Leech FTP
  • Linas FTP
  • My FTP
  • NetDrive
  • NetSarang
  • Nova FTP
  • PuTTY
  • Robo-FTP
  • Smart FTP
  • SoftX.org FTP
  • Turbo FTP
  • UltraFXP
  • VanDyke
  • WISE-FTP
  • WebDrive
  • WinZip FTP

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

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

Stolen Information

This spyware sends the gathered information via HTTP POST to the following URL:

  • http://{BLOCKED}.49.112:8080/asp/intro.php
  • http://{BLOCKED}.65.77:8080/asp/intro.php
  • http://{BLOCKED}.98.131:8080/asp/intro.php
  • http://{BLOCKED}.58.250:8080/asp/intro.php
  • http://{BLOCKED}.18.158:8080/asp/intro.php
  • http://{BLOCKED}.144.115:8080/asp/intro.php
  • http://{BLOCKED}.216.70:8080/asp/intro.php
  • http://{BLOCKED}.252.26:8080/asp/intro.php
  • http://{BLOCKED}0.103:8080/asp/intro.php
  • http://{BLOCKED}.208.180:8080/asp/intro.php
  • http://{BLOCKED}.57.208:8080/asp/intro.php
  • http://{BLOCKED}6.81:8080/asp/intro.php
  • http://{BLOCKED}.221.186:8080/asp/intro.php

  SOLUTION

Minimum Scan Engine: 9.300
FIRST VSAPI PATTERN FILE: 9.604.02
FIRST VSAPI PATTERN DATE: 19 Dec 2012

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

Identify and terminate files detected as TSPY_TEPFER.GZ

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_TEPFER.GZ. 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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