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TrojanSpy.Win32.EMOTET.TIABOFDU

October 16, 2019
 ALIASES:

Trojan:Win32/TrickBot.I (Microsoft); RDN/Generic.dx (McAfee); Mal/EncPk-APC (Sophos)

 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:

258,048 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

16 Oct 2019

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 drops the following copies of itself into the affected system:

  • %All Users Profile%\xec\x8a\xa4\xec\x84\x9c\xec\x8a\xb5\xea\xb7\xb8\xea\xb8\xb8\xeb\x85\x80\xec\x9a\xb0\xeb\xa6\xac\xea\xb0\x80\xec\xa6\x90.exe

(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit). )

Other System Modifications

This Trojan Spy adds the following registry keys:

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MFCBind

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MFCBind\Recent File List

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
MFCBind\Settings

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

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

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software
    • Local AppWizard-Generated Applications
  • In HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications
    • MFCBind
  • In HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\MFCBind
    • Recent File List
  • In HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\MFCBind
    • Settings

Step 3

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.EMOTET.TIABOFDU. 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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