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HKTL_PORTMAP

October 09, 2012
 Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


This hacking tool is used in port forwarding. It receives certain command line arguments. It attempts to read the file %Windows%\mapport.dat, which may be a configuration file.

It creates a certain file which is used to log its own activities.

This hacking tool may be dropped by other malware. It arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

6,656 bytes

Memory Resident:

Yes

Initial Samples Received Date:

23 Sep 2011

Payload:

Creates files

Arrival Details

This hacking tool may be dropped by other malware.

It arrives as a component bundled with malware/grayware packages.

NOTES:

This hacking tool is used in port forwarding.

It receives the following command line arguments:

  • Remote address of the client
  • Port to open
  • Where to inject its codes

It attempts to read the file %Windows%\mapport.dat, which may be a configuration file.

It creates the following file which is used to log its own activities:

  • %Program Files%\xerox\mapport.log

  SOLUTION

Minimum Scan Engine:

9.200

SSAPI PATTERN File:

1.220.09

SSAPI PATTERN Date:

23 Sep 2011

Step 1

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

Step 2

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 3

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %Windows%\mapport.dat
  • %Program Files%\xerox\mapport.log


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