RANSOM_MINDLOST.CNO
Trojan.Win32.Agent.qwfqbk (KASPERSKY); Trojan.Gen.2 (NORTON); Mal/MindLost-A (SOPHOS_LITE)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
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 connects to certain websites to send and receive information.
It encrypts files with specific file extensions. It encrypts files found in specific folders. It drops files as ransom note.
TECHNICAL DETAILS
15,360 bytes
EXE
Yes
01 Feb 2018
Connects to URLs/IPs, Downloads files, Displays message/message boxes, Encrypts files
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.
Autostart Technique
This Ransomware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
WindowsEnc = {malware path}\{malware name}.exe
Other System Modifications
This Ransomware adds the following registry entries:
HKCU\Control Panel\Desktop
WallpaperStyle = 6
HKCU\Control Panel\Desktop
TileWallpaper = 0
HKCU\Control Panel\Desktop
Wallpaper = %User Temp%\wallpaper.bmp
Dropping Routine
This Ransomware drops the following files:
- %User Profile%\Daniel Ohayon\Desktop\ID.txt - contains UUID
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Download Routine
This Ransomware downloads the file from the following URL and renames the file when stored in the affected system:
- https://image.{BLOCKED}b.co/kO6xZ6/insane_uriel_by_urielstock_4.jpg
Other Details
This Ransomware connects to the following website to send and receive information:
- victimssqlserver.database.{BLOCKED}s.net
It does the following:
- Hides console window
- Executes the following command:
- "cmd" /c wmic csproduct get UUID
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- .txt
- .jpg
- .png
- .mp4
- .mp3
- .c
- .py
It encrypts files found in the following folders:
- %User Profile%
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
It appends the following extension to the file name of the encrypted files:
- .enc
It drops the following file(s) as ransom note:
- %User Temp%\wallpaper.bmp
SOLUTION
9.850
13.962.06
12 Feb 2018
13.963.00
13 Feb 2018
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 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_MINDLOST.CNO
- 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
Restart in Safe Mode
Step 5
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- WindowsEnc = {malware path}\{malware name}.exe
- WindowsEnc = {malware path}\{malware name}.exe
Step 6
Search and delete these files
- %User Temp%\wallpaper.bmp
- %User Profile%\Daniel Ohayon\Desktop\ID.txt
Step 7
Reset your Desktop properties
Step 8
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_MINDLOST.CNO. 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 this Knowledge Base page for more information.
Step 9
Restore encrypted files from backup.
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