Analysis by: Michael Cabel
 Modified by: Cris Nowell Pantanilla
ALIASES:

PWS:Win32/Karagany.A (Microsoft); Trojan-PSW.Win32.Tepfer.lv (Kaspersky)

 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

Infection Channel: Dropped by other malware

This Spyware attempts to gather information from the certain FTP Software if installed in the system.

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.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not drop any other file.

It does not have any downloading capability.

  TECHNICAL DETAILS

File Size: 338,470 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 05 Jan 2012
Payload: 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.

Propagation

This spyware does not have any propagation routine.

Backdoor Routine

This spyware does not have any backdoor routine.

Dropping Routine

This spyware does not drop any other file.

Download Routine

This spyware does not have any downloading capability.

NOTES:

Rootkit Capabilities

This spyware does not have rootkit capabilities.

Information Theft

This spyware attempts to gather information from the following FTP Software if installed in the system:

  • FAR Manager
  • Ipswitch
  • CuteFTP
  • FlashFXP
  • FileZilla
  • Bullet Proof FTP
  • SmartFTP
  • Sota FFFTP
  • CoffeeCup
  • Core FTP
  • FTP Explorer
  • Frigate3
  • SecureFX
  • UltraFXP
  • FTPRush
  • ExpanDrive
  • Classic FTP
  • Fling
  • SoftX.org FTP Client
  • Directory Opus
  • Dev Zero G
  • WebDrive
  • NetDrive
  • LeapFTP
  • 32bit FTP
  • FTPCON

It attempts to gather the following FTP information:

  • Host name/Server
  • User name
  • Password
  • History
  • Installation Directories
  • Port
  • Proxy Server
  • Proxy Password

It sends the gathered data to the following remote site:

  • http://{BLOCKED}u.com/i.php

Other Details

This spyware does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.686.06
FIRST VSAPI PATTERN DATE: 05 Jan 2012
VSAPI OPR PATTERN File: 8.687.00
VSAPI OPR PATTERN Date: 05 Jan 2012

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_FAREIT.Z. 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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