PUA.Win32.Lutimani.SMA
Windows
Threat Type: Potentially Unwanted Application
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Potentially Unwanted Application 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
2,630,064 bytes
DLL
29 Dec 2020
Arrival Details
This Potentially Unwanted Application 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 Potentially Unwanted Application adds the following folders:
- %System%\luminati
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It drops the following files:
- %System%\{Random Characters} -> deleted afterwards
- %System%\lum_sdk32_clr.dll -> detected as PUA.Win32.Lutimani.SMA
- %System%\msvcr120.dll
- %System%\test_wpf.exe -> deleted after being ran as process
- %System%\luminati\perr_04_supported_1.114.604.sent
- %System%\luminati\lum_sdk.log
- %System%\luminati\lum_sdk_install_id
- %System%\lum_sdk_session_id
- %System%\luminati\lum_sdk_exception.dmp
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It adds the following processes:
- %System%\test_wpf.exe
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Other Details
This Potentially Unwanted Application connects to the following possibly malicious URL:
- http://clientsdk.{BLOCKED}ti.io:443
- http://perr.{BLOCKED}ti.io:443
- http://perr.{BLOCKED}ti-china.io:443
- http://perr.{BLOCKED}tinet.com:443
SOLUTION
9.800
2.133.00
20 Dec 2018
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
- %System%\{Random Characters}
- %System%\lum_sdk32_clr.dll
- %System%\msvcr120.dll
- %System%\test_wpf.exe
- %System%\luminati\perr_04_supported_1.114.604.sent
- %System%\luminati\lum_sdk.log
- %System%\luminati\lum_sdk_install_id
- %System%\lum_sdk_session_id
- %System%\luminati\lum_sdk_exception.dmp
Step 4
Search and delete this folder
- %System%\luminati
Step 5
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.Lutimani.SMA. 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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