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Ransom:Win32/DMALocker

First posted on 22 April 2016.
Source: Microsoft

Aliases :

There are no other names known for Ransom:Win32/DMALocker.

Explanation :

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

• c:\tools\yb_onlineclient.exe
• c:\autoexec.bat

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

In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Sets value: "cryptedinfo"
With data: "notepad %ProgramData%\cryptinfo.txt"
Sets value: "cssys"
With data: "%ProgramData%\svchosd.exe"

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

Payload

This malware description was published using automated analysis of file SHA1 8b5afcc257edb2e585fbe5ae9174921bbe51cffd.

Last update 22 April 2016

 

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