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HKTL_CAIN

May 06, 2015
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This hacking tool arrives as a component bundled with malware/grayware packages. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

6,913,123 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

27 Nov 2008

Arrival Details

This hacking tool arrives as a component bundled with malware/grayware packages.

It may be manually installed by a user.

Installation

This hacking tool drops the following files:

  • %Program Files%\Cain\Abel.dll
  • %Program Files%\Cain\Abel.dll.sig
  • %Program Files%\Cain\Abel.exe
  • %Program Files%\Cain\Abel.exe.sig
  • %Program Files%\Cain\CA_UserManual.chm
  • %Program Files%\Cain\Cain.exe
  • %Program Files%\Cain\Cain.exe.sig
  • %Program Files%\Cain\charset.txt
  • %Program Files%\Cain\Driver\WinPcap_4_0_2.exe
  • %Program Files%\Cain\Install.log
  • %Program Files%\Cain\oui.txt
  • %Program Files%\Cain\UNINSTAL.EXE
  • %Program Files%\Cain\Whatsnew.txt
  • %Program Files%\Cain\Winrtgen\charset.txt
  • %Program Files%\Cain\Winrtgen\Winrtgen.exe
  • %Program Files%\Cain\Winrtgen\Winrtgen.exe.sig
  • %Program Files%\Cain\Wordlists\Wordlist.txt
  • %System%\_packet.dlluninstall
  • %User Profile%\Desktop\Cain.lnk
  • %User Profile%\Start Menu\Programs\Cain\CA_UserManual.lnk
  • %User Profile%\Start Menu\Programs\Cain\Cain.lnk
  • %User Profile%\Start Menu\Programs\Cain\Uninstall Cain.lnk
  • %User Profile%\Start Menu\Programs\Cain\Whatsnew.lnk
  • %User Profile%\Start Menu\Programs\Cain\Winrtgen.lnk
  • %User Temp%\GLB1A2B.exe

(Note: %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %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.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It creates the following folders:

  • %Program Files%\Cain
  • %Program Files%\Cain\Driver
  • %Program Files%\Cain\Winrtgen
  • %Program Files%\Cain\Wordlists
  • %User Profile%\Start Menu\Programs\Cain

(Note: %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %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.)

Other System Modifications

This hacking tool adds the following registry entries:

HKEY_CURRENT_USER\Software\Cain\
Settings
WorkDir = "%Program Files%\Cain"

NOTES:

It has the following capabilities:

  • Password Retrieval
  • Sniffing through Networks
  • Password Cracking
  • Allows Retrieval of User Names and Passwords in SQL and Oracle Servers
  • Remote Console and Remote Registry

This grayware comes with an uninstall package. Uninstalling it compeletely removes all its dropped files and all its created registry keys and entries.

This grayware creates the following registry entries to add an Uninstall option in the Control Panel:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Cain & Abel v4.9.25
DisplayName = "Cain & Abel v4.9.25"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Cain & Abel v4.9.25
UninstallString = "%Program Files%\CAIN\UNINSTAL.EXE %Program Files%\CAIN\Install.log"

  SOLUTION

Minimum Scan Engine:

9.200

SSAPI PATTERN File:

0.884.29

SSAPI PATTERN Date:

02 Feb 2010

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

Identifying the Spyware Files

  1. Scan your computer with your Trend Micro Anti-Spyware product.
  2. Note the path and file name of all files detected as HKTL_CAIN.

Trend Micro Anti-Spyware customers need to download the latest anti-spyware pattern file before scanning their computer. Other users can use Housecall, the Trend Micro online threat scanner.

Step 3

Terminate a process file/s detected as HKTL_CAIN

[ Learn More ]

*Note: If the detected file/s is/are not displayed in theWindows Task Manager, continue doing the next steps.

Step 4

Restart in Safe Mode

[ Learn More ]

Step 5

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\Cain\Settings
    WorkDir = %Program Files%\Cain

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as HKTL_CAIN. 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.

NOTES:
Before proceeding to Step 4, use the Grayware Uninstall Option:

  1. Click Start>Settings>Control Panel.
  2. Double-click on Add/Remove Programs.
  3. In the displayed list, choose the following program:
     Cain & Abel v4.9.25
  4. Click on Change/Remove.
  5. Follow the instructions on the dialog box that appears.
  6. Close the Add/Remove Programs window, and the Control Panel window


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