Virus.X97M.MODFEK.B
Windows
Threat Type: Virus
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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.
It does not have any propagation routine.
It does not have any backdoor routine.
TECHNICAL DETAILS
133639064 bytes
PPTX
No
01 Nov 2023
Drops files
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 a copy of itself in the following folders using different file names:
- {Excel Application Path}\XLSTART\mypersonnel.xls → if the malware file is not in this location
Propagation
This Virus does not have any propagation routine.
Backdoor Routine
This Virus does not have any backdoor routine.
Rootkit Capabilities
This Virus does not have rootkit capabilities.
Other Details
This Virus does the following:
- It remains active every time Excel is launched, infecting any new workbooks created and previously saved workbooks when they are opened.
- It checks for a file named "mypersonnel.xls" in the following folder:
- {Excel Application path}\XLSTART → Excel startup path
- If "mypersonnel.xls" exists in Excel startup path:
- It copies a sheet named "Kangatang" from "mypersonnal.xls" containing the macro to the beginning of the active workbook for persistence.
It does not exploit any vulnerability.
SOLUTION
9.800
18.170.08
02 Jan 2023
18.171.00
03 Jan 2023
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
Search and delete this file
- {Excel Application Path}\XLSTART\mypersonnel.xls
Step 4
Scan your computer with your Trend Micro product to delete files detected as Virus.X97M.MODFEK.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:
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