Ransom.Win64.SEEDLOCKER.A
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
It drops files as ransom note.
TECHNICAL DETAILS
Arrival Details
This Ransomware 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 Ransomware adds the following processes:
- vssadmin delete shadow /all /quiet
Process Termination
This Ransomware terminates the following services if found on the affected system:
- vmickvpexchange
- vmicguestinterface
- vmicshutdown
- vmicheartbeat
- vmicrdv
- storflt
- vmictimesync
- vmicvss
- MSSQLFDLauncher
- MSSQLSERVER
- SQLSERVERAGENT
- SQLBrowser
- SQLTELEMETRY
- MsDtsServer130
- SSISTELEMETRY130
- SQLWriter
- MSSQL
- SQLAgent
- MSSQLServerADHelper100
- MSSQLServerOLAPService
- MsDtsServer100
- ReportServer
- TMBMServer
- postgresql-x64-9.4
- UniFi
- vmms
- sql-x64-9.4nUniFi\r\nvmms
It terminates the following processes if found running in the affected system's memory:
- sqlserv.exe
- oracle.exe
- ntdbsmgr.exe
- sqlservr.exe
- sqlwriter.exe
- MsDtsSrvr.exe
- msmdsrv.exe
- ReportingServecesService.exe
- fdhost.exe
- fdlauncher.exe
- cher.exe
Other Details
This Ransomware deletes itself after execution.
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
- !#_How_to_decrypt_files_#!.txt
- {Malware Filename}
- .diagcab
- .dll
- .drv
- .icl
- .ico
- .icns
- .idx
- .lnk
- .mod
- .mpa
- .msc
- .msp
- .msu
- .ocx
- .prf
- .rom
- .rtp
- .scr
- .shs
- .spl
- .sys
- .theme
- .themepack
- .s
- .theme
- .themepack
It avoids encrypting files with the following strings in their file path:
- \Windows
- \Program files
- \Program files (x86)
- \System Volume Information
- \$RecycleBin
- \ProgramData
- AppData
- Windows
It appends the following extension to the file name of the encrypted files:
- .seed
It drops the following file(s) as ransom note:
- {Encrypted Directory}\!#_How_to_decrypt_files_#!.txt
SOLUTION
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 Ransom.Win64.SEEDLOCKER.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
- {encrypted file directory}\!#_How_to_decrypt_files_#!.txt
Step 5
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win64.SEEDLOCKER.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
Restore encrypted files from backup.
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