TSPY_FAREIT.VAPN
PWS:Win32/Fareit.gen!E (Microsoft); RDN/Generic PWS.y!b2j (McAfee); Trojan.Gen (Symantec); Trojan-PSW.Win32.Fareit.apul (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Inject2.AOCO (AVG)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
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.
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 copies of itself into the affected system:
- %User Profile%\WinRAR\sysrfdf.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
It creates the following folders:
- %User Profile%\Application Data\WinRAR
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
SYS_UPDATE_A894C1F8BECBD4D484FA642 = "%User Profile%\WinRAR\sysrfdf.exe"
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
fnamA894C1F8BECBD4D484FA642 = "{random values}"
HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random values}"
Other Details
This spyware connects to the following possibly malicious URL:
- {BLOCKED}106.72
This report is generated via an automated analysis system.
SOLUTION
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
Restart in Safe Mode
Step 3
Delete this registry key
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
Step 4
Delete this registry value
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\Microsoft\Windows\CurrentVersion\Run
- SYS_UPDATE_A894C1F8BECBD4D484FA642 = "%User Profile%\WinRAR\sysrfdf.exe"
- In HKEY_CURRENT_USER\Software\WinRAR
- fnamA894C1F8BECBD4D484FA642 = "{random values}"
- In HKEY_CURRENT_USER\Software\WinRAR
- HWID = "{random values}"
Step 5
Search and delete this folder
- %User Profile%\Application Data\WinRAR
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_FAREIT.VAPN. 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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