Trojan.Win32.ULISE.SMGF
Trojan:Win32/Ulise.OS!MTB (Microsoft); HEUR:Trojan.Win32.Generic (Kaspersky); Trojan.Win32.Generic.pak!cobra (Sunbelt)
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.
TECHNICAL DETAILS
53,248 bytes
EXE
Yes
15 Jan 2020
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 adds the following processes:
- %System%\kernel32.exe /O0
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Autostart Technique
This Trojan registers itself as a system service to ensure its automatic execution at every system startup by adding the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Network Services
ImagePath = "%Windows%\SysWOW64\kernel32.exe /srv /O0"
Other System Modifications
This Trojan adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Run
Network Services = "%Windows%\SysWOW64\kernel32.exe /O0"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Network Services
DisplayName = "Network Services"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\Network Services
Start = "SERVICE_AUTO_START"
Dropping Routine
This Trojan drops the following files:
- %System%\kernel32.exe
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
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.Win32.ULISE.SMGF
- 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
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run
- Network Services = "%Windows%\SysWOW64\kernel32.exe /O0"
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Network Services
- DisplayName = "Network Services"
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Network Services
- Start = "SERVICE_AUTO_START"
Step 4
Search and delete this file
- %System%\kernel32.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.Win32.ULISE.SMGF. 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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