Ransom.MSIL.SAVEQUEEN.A

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 drops files as ransom note. It avoids encrypting files with the following file extensions.

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 drops the following files:

• %ProgramData%\.SaveTheQueen.LOG -> log file

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit), XP.)

It adds the following processes:

• cmd.exe

It injects codes into the following process(es):

• cmd.exe (first instance of cmd.exe it finds)

Other Details

This Ransomware does the following:

• It encrypts files found in all available drives
• It renames files it will encrypt to {file name and extension}.SaveTheQueenING first then it renames it to {file name and extension}.SaveTheQueen after encrypting the file's contents

Ransomware Routine

This Ransomware avoids encrypting files with the following strings in their file name:

• explorer.exe

It avoids encrypting files found in the following folders:

• C:\inetpub
• %Program Files%
• %ProgramData%

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit), XP.)

It appends the following extension to the file name of the encrypted files:

• .SaveTheQueen

It drops the following file(s) as ransom note:

• {Drive letter}:\.SaveTheQueen.HelpMe.TXT

It leaves text files that serve as ransom notes containing the following text:

It avoids encrypting files with the following file extensions:

• exe
• dll
• msi
• iso
• sys
• cab