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TrojanSpy.Win32.KBDLOGGR.A

January 24, 2020
 Modified by: Henry Alarcon Jr.
 ALIASES:

Trojan-Spy.Python.Keylogger.a (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

5,237,489 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

24 Jan 2020

Arrival Details

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

Installation

This Trojan Spy adds the following processes:

  • "{malware file path and name}"

It creates the following folders:

  • %User Temp%\_MEI22762\support
  • %User Temp%\_MEI22762
  • %User Temp%\_MEI22762\support\gen_py

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Dropping Routine

This Trojan Spy drops the following files:

  • %User Temp%\_MEI22762\_win32sysloader.pyd
  • %User Temp%\_MEI22762\_ssl.pyd
  • %User Temp%\_MEI22762\_socket.pyd
  • %User Temp%\_MEI22762\Microsoft.VC90.MFC.manifest
  • %User Temp%\_MEI22762\win32ui.pyd
  • %User Temp%\_MEI22762\win32gui.pyd
  • %User Temp%\_MEI22762\mfc90u.dll
  • %User Temp%\_MEI22762\mfcm90.dll
  • %User Temp%\_MEI22762\_hashlib.pyd
  • %User Temp%\_MEI22762\unicodedata.pyd
  • %User Temp%\_MEI22762\tech_klg.exe.manifest
  • %User Temp%\_MEI22762\mfcm90u.dll
  • %User Temp%\_MEI22762\select.pyd
  • %User Temp%\_MEI22762\PyWinTypes27.dll
  • %User Temp%\_MEI22762\bz2.pyd
  • %User Temp%\_MEI22762\Microsoft.VC90.CRT.manifest
  • %User Temp%\_MEI22762\pyHook._cpyHook.pyd
  • %User Temp%\_MEI22762\mfc90.dll
  • %User Temp%\_MEI22762\pythoncom27.dll
  • %User Temp%\_MEI22762\python27.dll
  • %User Temp%\_MEI22762\win32trace.pyd
  • %User Temp%\_MEI22762\msvcm90.dll
  • %User Temp%\_MEI22762\msvcr90.dll
  • %User Temp%\_MEI22762\win32api.pyd
  • %User Temp%\_MEI22762\support\gen_py\__init__.py
  • %User Temp%\_MEI22762\msvcp90.dll

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.640.05

FIRST VSAPI PATTERN DATE:

24 Jan 2020

VSAPI OPR PATTERN File:

15.641.00

VSAPI OPR PATTERN Date:

24 Jan 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and terminate files detected as TrojanSpy.Win32.KBDLOGGR.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Search and delete these components

[ Learn More ]
There may be some components 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.
  • %User Temp%\_MEI22762\_win32sysloader.pyd
  • %User Temp%\_MEI22762\_ssl.pyd
  • %User Temp%\_MEI22762\_socket.pyd
  • %User Temp%\_MEI22762\Microsoft.VC90.MFC.manifest
  • %User Temp%\_MEI22762\win32ui.pyd
  • %User Temp%\_MEI22762\win32gui.pyd
  • %User Temp%\_MEI22762\mfc90u.dll
  • %User Temp%\_MEI22762\mfcm90.dll
  • %User Temp%\_MEI22762\_hashlib.pyd
  • %User Temp%\_MEI22762\unicodedata.pyd
  • %User Temp%\_MEI22762\tech_klg.exe.manifest
  • %User Temp%\_MEI22762\mfcm90u.dll
  • %User Temp%\_MEI22762\select.pyd
  • %User Temp%\_MEI22762\PyWinTypes27.dll
  • %User Temp%\_MEI22762\bz2.pyd
  • %User Temp%\_MEI22762\Microsoft.VC90.CRT.manifest
  • %User Temp%\_MEI22762\pyHook._cpyHook.pyd
  • %User Temp%\_MEI22762\mfc90.dll
  • %User Temp%\_MEI22762\pythoncom27.dll
  • %User Temp%\_MEI22762\python27.dll
  • %User Temp%\_MEI22762\win32trace.pyd
  • %User Temp%\_MEI22762\msvcm90.dll
  • %User Temp%\_MEI22762\msvcr90.dll
  • %User Temp%\_MEI22762\win32api.pyd
  • %User Temp%\_MEI22762\support\gen_py\__init__.py
  • %User Temp%\_MEI22762\msvcp90.dll

Step 4

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Temp%\_MEI22762\support
  • %User Temp%\_MEI22762
  • %User Temp%\_MEI22762\support\gen_py

Step 5

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.KBDLOGGR.A. 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 the following Trend Micro Support pages for more information:


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