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HKTL_JOHNRIP

February 19, 2014
 Analysis by: Jimelle Monteser
 ALIASES:

Riskware/Johntheripper (Fortinet), HackTool.Win32.John (Ikarus), HackTool.Win32.John (Kaspersky), HackTool:Win32/John (Microsoft), Win32/HackTool.John application (NOD32), John the Ripper (not malicious) (Sunbelt)

 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:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

136,192 bytes

File Type:

DLL, EXE

Memory Resident:

Yes

Initial Samples Received Date:

18 Feb 2014

Arrival Details

This hacking tool may arrive bundled with malware packages as a malware component.

It may be manually installed by a user.

Other Details

This hacking tool requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.700

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 and note files detected as HKTL_JOHNRIP

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the files detected as HKTL_JOHNRIP

*Note: Some component files may be 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.

To stop the malware/grayware from running when certain files are opened:

For Windows 2000, Windows XP, and Windows Server 2003:

  1. Right-click Start then click Search....
  2. In the Named input box, type the name of the file that was detected earlier.
  3. In the Look In drop-down list, select My Computer then press Enter.
  4. Once located, select the file then press SHIFT+DELETE to delete it.

For Windows Vista and Windows 7:

  1. Click Start>Computer.
  2. In the Search Computer input box, type the name of the file detected earlier, and press Enter.
  3. Once located, select the file then press SHIFT+DELETE to delete it.
    *Note: Read the following Microsoft page if these steps do not work on Windows 7.

Step 5

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