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TSPY_FAREIT.TFQ

September 25, 2013
 Analysis by: Adrian Cofreros
 ALIASES:

PWS:Win32/Fareit.gen!C(Microsoft),Win32/Kryptik.BKES trojan(NOD32),

 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 on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It executes then deletes itself afterward.

  TECHNICAL DETAILS

File Size:

120,320 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

12 Sep 2013

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.

Installation

This spyware executes then deletes itself afterward.

Other System Modifications

This spyware adds the following registry entries:

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

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}ka.com/forum/viewtopic.php
  • http://{BLOCKED}aka.com/forum/viewtopic.php
  • http://{BLOCKED}a.biz/forum/viewtopic.php
  • http://{BLOCKED}a.co.uk/forum/viewtopic.php
  • http://{BLOCKED}oundation.de/fcUxxc.exe
  • http://{BLOCKED}65group.co.uk/z8yBM0i.exe
  • http://{BLOCKED}wood com/Nfa.exe
  • http://{BLOCKED}lbeachphotographer.com/UiN.exe

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

10.274.03

FIRST VSAPI PATTERN DATE:

12 Sep 2013

VSAPI OPR PATTERN File:

10.275.00

VSAPI OPR PATTERN Date:

13 Sep 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 value}"

Step 3

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