Analysis by: Cris Nowell Pantanilla
 Modified by: Jaime Benigno Reyes
ALIASES:

NetTool.Win32.Transmit.a (Kaspersky), Backdoor.Win32.Rbot (Ikarus), a variant of Win32/HackTool.Hucline.B trojan (Nod32), Application.Transmit.B (BitDefender)

 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:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This is the Trend Micro detection for files used to redirect TCP traffic to different hosts. This hacking tool is called HUC Packet Transmit Tool. This tool is used to disguise either the true source or destination of the traffic.

This hacking tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 08 Aug 2012

Arrival Details

This hacking tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It may be manually installed by a user.

NOTES:

This tool can be run using the following format:

{hacking tool file name} -listen {hacking tool file name} -tran {hacking tool file name} -slave

  SOLUTION

Minimum Scan Engine: 9.3
SSAPI PATTERN File: 1.245.00
SSAPI PATTERN Date: 15 Dec 2011

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

Scan your computer with your Trend Micro product to delete files detected as HKTL_HTRAN. 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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