Analysis by: Jon Dexter Laurin

ALIASES:

NetTool.Win32.Agent.ng (Kaspersky); Trojan-Cleaver (McAfee); Hacktool.Gen (Symantec); Trojan-Cleaver (NAI); Trojan.Win32.Generic!BT (Sunbelt);

 PLATFORM:

Windows

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

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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 arrives as a component bundled with malware/grayware packages.

It performs denial of service (DoS) attacks on affected systems using specific flooding method(s).

  TECHNICAL DETAILS

File Size: 59,392 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 09 Dec 2014

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 arrives as a component bundled with malware/grayware packages.

Denial of Service (DoS) Attack

This hacking tool performs denial of service (DoS) attacks on affected systems using the following flooding method(s):

  • SYN Flooding

NOTES:

This hacking tool is executed using the following command-line argument:

{Grayware File Name} {Target IP} {Counter} {Size of Packet} {Socket Option Value] {Socket Address Family} {Seed for Random IP Location}

  SOLUTION

Minimum Scan Engine: 9.750
SSAPI PATTERN File: 1.575.00
SSAPI PATTERN Date: 18 Dec 2014

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_CNECT. 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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