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PWS:Win32/Mofksys!rfn

First posted on 30 December 2016.
Source: Microsoft

Aliases :

There are no other names known for PWS:Win32/Mofksys!rfn.

Explanation :

Installation
This threat can create files on your PC, including:

• %CurrentFolder%\.exe
• %LOCALAPPDATA%\icsys.icn.exe

It modifies the registry so that it runs each time you start your PC. For example:

In subkey: HKLM\Software\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}
Sets value: "StubPath"
With data: "%APPDATA%\mrsys.exe mr"
In subkey: HKLM\Software\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}
Sets value: "StubPath"
With data: "%APPDATA%\mrsys.exe mr"
In subkey: HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
Sets value: "shell"
With data: "%SystemRoot%\explorer.exe, c:\windows\system\explorer.exe"
It creates a schedule to automatically run files on your PC. This can include:

• %SystemRoot% \system\svchost.exe

The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.

Payload

Steals your sensitive information

This threat can steal your sensitive information, such as your user names and passwords for:

• Email or social media websites
• Banking websites
• Online games

Modifies system settings
This threat can make changes to the way your PC behaves. It can:

• Change how files are shown in File Explorer

This malware description was published using automated analysis of file SHA1 2d20dbe534dab7ca88b506b8978fa5494f878e2e.

Last update 30 December 2016

 

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