TSPY_FAREIT.UAI
PWS:Win32/Fareit.gen!A (Microsoft), Trojan-PSW.Win32.Tepfer.mqgh (Kaspersky)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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 the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
It deletes the initially executed copy of itself.
TECHNICAL DETAILS
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 drops the following files:
- %User Temp%\{random numbers 1}.exe - deleted afterwards
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\WinRAR
It adds the following registry entries:
HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random value}"
HKEY_CURRENT_USER\Software\WinRAR
Client Hash = "{random value}"
HKEY_CURRENT_USER\Software\WinRAR
{random value} = "true"
Dropping Routine
This spyware executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
Other Details
This spyware connects to the following possibly malicious URL:
- http://www.{BLOCKED}snstyle.co/4bnsSjBb.exe
- http://www.{BLOCKED}snstyle.com/4bnsSjBb.exe
- http://backup.{BLOCKED}webnews.com/8P6j4.exe
- http://{BLOCKED}.46.166/7tW.exe
- http://www.{BLOCKED}eller.net/jKK1NMDt.exe
It deletes the initially executed copy of itself