Trojan.X97M.SDROP.A
W97M/Dropper.el(NAI); a variant of VBA/TrojanDropper.Agent.ANT trojan(NOD32)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet
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.
TECHNICAL DETAILS
1,138,688 bytes
XLS
No
03 Dec 2019
Displays message/message boxes
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 files:
- %User Temp%\oleObject1.bin -> where %Application Data%\Microsoft\Windows\Templates\rtdt.dll will be extracted from
- %User Temp%\vds.xlsx -> copy of itself without the macro
- %User Temp%\vds.xlsx.zip -> copy of itself without the macro
(Note: %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).)
It drops and executes the following files:
- %Application Data%\Microsoft\Windows\Templates\rtdt.dll
(Note: %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 does the following:
- The document contains the following message details luring users to enable macro content:
SOLUTION
9.850
15.536.02
03 Dec 2019
15.537.00
04 Dec 2019
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
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 3
Identify and terminate files detected as Trojan.X97M.SDROP.A
- 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 4
Search and delete these files
- %User Temp%\oleObject1.bin
- %User Temp%\vds.xlsx
- %User Temp%\vds.xlsx.zip
- %Application Data%\Microsoft\Windows\Templates\rtdt.dll
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.X97M.SDROP.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:
Step 6
Enable the macro virus protection in Microsoft Office Applications
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