PUA.Win32.RManSys.AA

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. It may be dropped by other malware.

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.

It may be dropped by the following malware:

• Backdoor.Win32.RMSRAT.THAABCAH

Installation

This Potentially Unwanted Application drops the following files:

• %Application Data%\RMS_settings\Logs\rms_log_{year}-{month}.html -> logs of connections

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)

It creates the following folders:

• %Application Data%\RMS_settings\Logs

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)

It adds the following mutexes to ensure that only one of its copies runs at any one time:

• Global\RMSServerGlobal
• Global\RMSServerConfig
• Global\RMSGlobalHost
• Global\RMSServerGlobalStarter
• madExceptSettingsMtx{random characters}

Other System Modifications

This Potentially Unwanted Application deletes the following folders:

• %Windows%\Temp\winserv.madExcept

(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\tektonit

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
Options = {hex values}

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
notification = {hex values}

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
Password = {hex values}

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
InternetId = {hex values}

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
FUSClientPath = %All Users Profile%\AsusGesture\rfusclient.exe

HKEY_CURRENT_USER\Software\tektonit\
Remote MANIPULATOR System\Host\Parameters
CalendarRecordSettings = {hex values}

Other Details

This Potentially Unwanted Application does the following:

• It executes the following commands from a remote user:
  
  • Remote access/control
  • Remote printing
  • Install a program
  • Record the screen
  • Record the sound
  • Remote terminal
  • Chat via video, voice, or text
  • Execute a file
  • Manage files (move, copy, delete, send, receive)
  • Power control (shutdown, restart, log off, lock, hibernate)
  • See opened processes via task manager
  • View/edit registry via regedit