Analysis by: Jimelle Monteser

ALIASES:

W32/Tepfer.NQZO!tr.pws (Fortinet), Trojan-PWS.Fareit (Ikarus), Trojan-PSW.Win32.Tepfer.nqzo (Kaspersky), PWS:Win32/Fareit.gen!A (Microsoft), Win32/PSW.Fareit.A 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 deletes the initially executed copy of itself.

  TECHNICAL DETAILS

File Size: 119,808 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 12 Jul 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.

Other System Modifications

This spyware adds the following registry entries:

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

Other Details

This spyware connects to the following possibly malicious URL:

  • http://www.{BLOCKED}zuchtverein-deutschland-ev.de/bn43.exe
  • http://{BLOCKED}rafico.pt/9Up.exe
  • http://{BLOCKED}sites.gr/vr75i.exe
  • http://helios.{BLOCKED}er.gr/index-1.html
  • http://mdebra.{BLOCKED}ch.net/2ccVsM9z.exe

It deletes the initially executed copy of itself