Home / malware

PDF

TrojanDownloader:MSIL/Suphun.A

First posted on 29 September 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:MSIL/Suphun.A.

Explanation :

Threat behavior

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

• %APPDATA%\flashplugin\bdownloader.exe
• %APPDATA%\flashplugin\flashupdate.exe
• %APPDATA%\flashplugin\hosts_.exe

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: "FlashUpdate"
With data: "%APPDATA%\flashplugin\flashupdate.exe"
Sets value: "WindowsApplication1"
With data: "%APPDATA%\flashplugin\bdownloader.exe"


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



Payload


Downloads malware or unwanted software

This threat can download other malware and unwanted software onto your PC.



This malware description was published using automated analysis of file SHA1 568f60ad98a79067905a81d32f64d247755757a3.

Symptoms

The following can indicate that you have this threat on your PC:

• You see a file similar to:
  • %APPDATA%\flashplugin\bdownloader.exe
  • %APPDATA%\flashplugin\flashupdate.exe
  • %APPDATA%\flashplugin\hosts_.exe

• You see registry modifications such as:
  
  • In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    Sets value: "FlashUpdate"
    With data: "%APPDATA%\flashplugin\flashupdate.exe"
    
    
  • In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    Sets value: "WindowsApplication1"
    With data: "%APPDATA%\flashplugin\bdownloader.exe"
    
    

Last update 29 September 2015

 

TOP