TSPY_FAREIT.DV

January 05, 2013
 Modified by: Rika Joi Gregorio
 ALIASES:

PWS:Win32/Fareit (Microsoft), Trojan-PSW.Win32.Tepfer.deeh (Kaspersky), a variant of Win32/Kryptik.AQSV trojan (Eset), Trojan.Zbot (Symantec)

 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:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

As of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

107,520 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

17 Dec 2012

Other System Modifications

This spyware adds the following registry entries:

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

HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{random value}"

Download Routine

This spyware accesses the following websites to download files:

  • http://www.esupport.cz/D6ppvN.exe
  • http://gulf-coast-rentals.net/WMEvFA.exe

As of this writing, the said sites are inaccessible.

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}siesfaciale.com/ponyb/gate.php
  • {BLOCKED}p.{BLOCKED}lassified.com

NOTES:

It will drop a batch file as %User Temp%\abcd.bat which will delete the malware file and the dropped batch file afterwards.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.601.01

FIRST VSAPI PATTERN DATE:

18 Dec 2012

VSAPI OPR PATTERN File:

9.602.00

VSAPI OPR 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

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 value}"
  • In HKEY_CURRENT_USER\Software\WinRAR
    • Client Hash = "{random value}"

Step 3

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