Modified by: Maria Emreen Viray
ALIASES:

Exploit:Win32/ShellCode.gen!B (MICROSOFT)

 PLATFORM:

Windows

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

  • Threat Type: Virus

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Virus 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: 228,864 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 19 Aug 2021

Arrival Details

This Virus 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 Virus drops the following files:

  • %System Root%\Users\Infotmp.txt
  • %User Temp%\{Random Numbers}.log
  • %System%\{Random Numbers}.tmp

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %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).. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)

Other System Modifications

This Virus adds the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Keyboard Layouts\E0010409
Layout File = KBDUS.DLL

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Keyboard Layouts\E0010409
Layout Text = {Random Hex}

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Keyboard Layouts\E0010409

Other Details

This Virus adds the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\Keyboard Layouts\E0010409

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 10.604.07
FIRST VSAPI PATTERN DATE: 13 Feb 2014
VSAPI OPR PATTERN File: 10.605.00
VSAPI OPR PATTERN Date: 14 Feb 2014

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Troj.Win32.TRX.XXPE50FFF047

Step 2

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 3

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 4

Search and delete this file

[ Learn More ]
There may be some files 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.
  • %System Root%\Users\Infotmp.txt
  • %User Temp%\{Random Numbers}.log
  • %System%\{Random Numbers}.tmp

Step 5

Scan your computer with your Trend Micro product to delete files detected as PE_WAPOMI.SM-O. 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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