Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be downloaded by other malware/grayware/spyware from remote sites.
Installation
This Trojan drops the following files:
- %Application Data%\Local\Intel\Intel Volume\7za.txt
- %Application Data%\Local\Intel\Intel Volume\code.txt
- %Application Data%\Local\Intel\Intel Volume\icon\excel.ico
- %Application Data%\Local\Intel\Intel Volume\icon\pdf.ico
- %Application Data%\Local\Intel\Intel Volume\icon\ppt.ico
- %Application Data%\Local\Intel\Intel Volume\icon\Thumbs.db
- %Application Data%\Local\Intel\Intel Volume\icon\word.ico
- %Application Data%\Local\Intel\Intel Volume\Information.zip
- %Application Data%\Local\Intel\Intel Volume\IntelRST.zip
- %Application Data%\Local\Intel\Intel Volume\Mono.Cecil.dll
- %Application Data%\Local\Intel\Intel Volume\Stub\do.vine
- %Application Data%\Local\Intel®\{original filename}_Url_uow1tgattnjbm0z1ejzd33plxam4i3vs\1.6.0.0\user.config
- %Application Data%\Local\scout\code.txt
- %Application Data%\Local\scout\Information.zip
- %Application Data%\Local\scout\IntelRST.zip
- {Malware Path}\RELIEF OF CLK (SD).docx
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It drops the following component file(s):
- %System%\Tasks\Intel® RST ← scheduled task for IntelRST.exe
- %System%\Tasks\scout ← scheduled task for scout.exe
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It creates the following folders:
- %Application Data%\Local\Intel
- %Application Data%\Local\Intel®
- %Application Data%\Local\scout
- %Application Data%\Local\Intel\Intel Volume\Lab
- %Application Data%\Local\Intel\Intel Volume\z
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Dropping Routine
This Trojan drops the following files:
- %Application Data%\Local\Intel\Intel Volume\IntelRST.exe
- %Application Data%\Local\scout\scout.exe
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
Other Details
This Trojan does the following:
- Get processes related to Norton and AVG with the following strings:
- It saves the gathered processes into the following files:
- %Application Data%\Local\Intel\Intel Volume\nor.txt
- %Application Data%\Local\Intel\Intel Volume\avg.txt
- Get list of files from removable drives and copy it to the following directory:
- %Application Data%\Local\Intel\Intel Volume\z
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
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
Search and delete these folders
[ Learn More ]
[ back ]
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.
%Application Data%\Local\Intel%Application Data%\Local\Intel®
%Application Data%\Local\scout
To delete malware/grayware/spyware folders:
For Windows 2000, Windows XP, and Windows Server 2003:
- Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
- In the File name* input box, type:
%Application Data%\Local\Intel%Application Data%\Local\Intel®
%Application Data%\Local\scout
- In the Look In drop-down list, select My Computer, then press Enter.
- Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
- Repeat steps 2 to 4 for the remaining folders: *Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
- In the Search Computer/This PC input box, type:
%Application Data%\Local\Intel%Application Data%\Local\Intel®
%Application Data%\Local\scout
- Once located, select the file then press SHIFT+DELETE to permanently delete the folder.
- Repeat steps 2-3 for the remaining folders: *Note: Read the following Microsoft page if these steps do not work on Windows 7.
Step 3
Search and delete this file
[ Learn More ]
[ back ]
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.
%Application Data%\Local\Intel\Intel Volume\7za.txt
%Application Data%\Local\Intel\Intel Volume\code.txt
%Application Data%\Local\Intel\Intel Volume\icon\excel.ico
%Application Data%\Local\Intel\Intel Volume\icon\pdf.ico
%Application Data%\Local\Intel\Intel Volume\icon\ppt.ico
%Application Data%\Local\Intel\Intel Volume\icon\Thumbs.db
%Application Data%\Local\Intel\Intel Volume\icon\word.ico
%Application Data%\Local\Intel\Intel Volume\Information.zip
%Application Data%\Local\Intel\Intel Volume\IntelRST.zip
%Application Data%\Local\Intel\Intel Volume\Mono.Cecil.dll
%Application Data%\Local\Intel\Intel Volume\Stub\do.vine
%Application Data%\Local\Intel®\{original filename}_Url_uow1tgattnjbm0z1ejzd33plxam4i3vs\1.6.0.0\user.config
%Application Data%\Local\scout\code.txt
%Application Data%\Local\scout\Information.zip
%Application Data%\Local\scout\IntelRST.zip
{Malware Path}\RELIEF OF CLK (SD).docx
%System%\Tasks\Intel® RST
%System%\Tasks\scout
%Application Data%\Local\Intel\Intel Volume\IntelRST.exe
%Application Data%\Local\scout\scout.exe
To manually delete a malware/grayware file from an affected system:
• For Windows 2000, Windows XP, and Windows Server 2003:
- Right-click Start then click Search....
- In the File name* input box, type the following:
%Application Data%\Local\Intel\Intel Volume\7za.txt
%Application Data%\Local\Intel\Intel Volume\code.txt
%Application Data%\Local\Intel\Intel Volume\icon\excel.ico
%Application Data%\Local\Intel\Intel Volume\icon\pdf.ico
%Application Data%\Local\Intel\Intel Volume\icon\ppt.ico
%Application Data%\Local\Intel\Intel Volume\icon\Thumbs.db
%Application Data%\Local\Intel\Intel Volume\icon\word.ico
%Application Data%\Local\Intel\Intel Volume\Information.zip
%Application Data%\Local\Intel\Intel Volume\IntelRST.zip
%Application Data%\Local\Intel\Intel Volume\Mono.Cecil.dll
%Application Data%\Local\Intel\Intel Volume\Stub\do.vine
%Application Data%\Local\Intel®\{original filename}_Url_uow1tgattnjbm0z1ejzd33plxam4i3vs\1.6.0.0\user.config
%Application Data%\Local\scout\code.txt
%Application Data%\Local\scout\Information.zip
%Application Data%\Local\scout\IntelRST.zip
{Malware Path}\RELIEF OF CLK (SD).docx
%System%\Tasks\Intel® RST
%System%\Tasks\scout
%Application Data%\Local\Intel\Intel Volume\IntelRST.exe
%Application Data%\Local\scout\scout.exe
- In the Look In drop-down list, select My Computer then press Enter.
- Once located, select the file then press SHIFT+DELETE to delete it.
*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).
• For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
- In the Search Computer/This PC input box, type:
%Application Data%\Local\Intel\Intel Volume\7za.txt
%Application Data%\Local\Intel\Intel Volume\code.txt
%Application Data%\Local\Intel\Intel Volume\icon\excel.ico
%Application Data%\Local\Intel\Intel Volume\icon\pdf.ico
%Application Data%\Local\Intel\Intel Volume\icon\ppt.ico
%Application Data%\Local\Intel\Intel Volume\icon\Thumbs.db
%Application Data%\Local\Intel\Intel Volume\icon\word.ico
%Application Data%\Local\Intel\Intel Volume\Information.zip
%Application Data%\Local\Intel\Intel Volume\IntelRST.zip
%Application Data%\Local\Intel\Intel Volume\Mono.Cecil.dll
%Application Data%\Local\Intel\Intel Volume\Stub\do.vine
%Application Data%\Local\Intel®\{original filename}_Url_uow1tgattnjbm0z1ejzd33plxam4i3vs\1.6.0.0\user.config
%Application Data%\Local\scout\code.txt
%Application Data%\Local\scout\Information.zip
%Application Data%\Local\scout\IntelRST.zip
{Malware Path}\RELIEF OF CLK (SD).docx
%System%\Tasks\Intel® RST
%System%\Tasks\scout
%Application Data%\Local\Intel\Intel Volume\IntelRST.exe
%Application Data%\Local\scout\scout.exe
- 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 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_DROPPR.CNMP. 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.
