PUA.Win32.Segurazo.E.component
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
151,144 bytes
DLL
Yes
01 Nov 2019
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.
Other System Modifications
This Potentially Unwanted Application adds the following registry keys:
HKEY_CLASSES_ROOT\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}
HKEY_CLASSES_ROOT\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}\
InprocServer32
HKEY_CLASSES_ROOT\*\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\SystemFileAssociations\*\
shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\.lnk\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\SystemFileAssociations\.lnk\
shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\Directory\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\SystemFileAssociations\Directory\
shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\Folder\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\SystemFileAssociations\Folder\
shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\lnkfile\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
HKEY_CLASSES_ROOT\SystemFileAssociations\lnkfile\
shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}
(Default) = "SegurazoShellExtension.FileContextMenuExt Class"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}\
InprocServer32
(Default) = "%User Temp%\cac17f229de4143274fcf7d247d442b5705033de.dll"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}\
InprocServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
*\shellex\ContextMenuHandlers\
SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
SystemFileAssociations\*\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.lnk\ShellEx\ContextMenuHandlers\
SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
SystemFileAssociations\.lnk\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Directory\shellex\ContextMenuHandlers\
SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
SystemFileAssociations\Directory\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Folder\ShellEx\ContextMenuHandlers\
SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
SystemFileAssociations\Folder\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
lnkfile\shellex\ContextMenuHandlers\
SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
SystemFileAssociations\lnkfile\shellex\
ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
(Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
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
Delete this registry key
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_CLASSES_ROOT\CLSID
- {BFD98515-CD74-48A4-98E2-13D209E3EE4F}
- In HKEY_CLASSES_ROOT\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}
- InprocServer32
- In HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\SystemFileAssociations\*\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\.lnk\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\SystemFileAssociations\.lnk\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\SystemFileAssociations\Directory\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\SystemFileAssociations\Folder\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\lnkfile\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
- In HKEY_CLASSES_ROOT\SystemFileAssociations\lnkfile\shellex\ContextMenuHandlers
- SegurazoShellExtension.FileContextMenuExt
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\Classes\Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}
- (Default) = "SegurazoShellExtension.FileContextMenuExt Class"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}\InprocServer32
- (Default) = "%User Temp%\cac17f229de4143274fcf7d247d442b5705033de.dll"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BFD98515-CD74-48A4-98E2-13D209E3EE4F}\InprocServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\*\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.lnk\ShellEx\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.lnk\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\Directory\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\Folder\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\lnkfile\shellex\ContextMenuHandlers\SegurazoShellExtension.FileContextMenuExt
- (Default) = "{BFD98515-CD74-48A4-98E2-13D209E3EE4F}"
Step 4
Scan your computer with your Trend Micro product to delete files detected as PUA.Win32.Segurazo.E.component. 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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