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TSPY_FAREIT.SS

September 07, 2013
 Analysis by: Nikko Tamana
 Modified by: Jimelle Monteser
 ALIASES:

PWS:Win32/Fareit.gen!E (Microsoft), Trojan-PWS.Win32.Tepfer (Ikarus)

 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:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This spyware arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be downloaded by other malware/grayware/spyware from remote sites.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

93,641 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

05 Jul 2013

Arrival Details

This spyware arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It may be downloaded by other malware/grayware/spyware from remote sites.

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random values}"

Download Routine

This spyware connects to the following website(s) to download and execute a malicious file:

  • http://www.{BLOCKED}ta.biz/ToSN79T.exe
  • http://ftp.{BLOCKED}ps.com/PMLyQRMt.exe
  • http://{BLOCKED}.5.170/PXVYGJx.exe

Stolen Information

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

  • http://{BLOCKED}yfinancial.com/ponyb/gate.php
  • http://{BLOCKED}nery.com/ponyb/gate.php
  • http://{BLOCKED}eincomenow.com/ponyb/gate.php
  • http://{BLOCKED}eincomenow.info/ponyb/gate.php

Other Details

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.136.03

FIRST VSAPI PATTERN DATE:

05 Jul 2013

VSAPI OPR PATTERN File:

10.137.00

VSAPI OPR PATTERN Date:

06 Jul 2013

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

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_CURRENT_USER\Software\WinRAR
    • HWID = "{random values}"

Step 3

Scan your computer with your Trend Micro product to delete files detected as TSPY_FAREIT.SS. 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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