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TrojanDownloader:Win32/Strumapine.A

First posted on 16 October 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Strumapine.A.

Explanation :

Threat behavior

Installation


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

In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Sets value: "ApleData"
With data: "%APPDATA%\application.exe"


It can make various registry changes during its installation, including:

In subkey: HKLM\Software\Google\Update\ClientState\{430FD4D0-B729-4F61-AA34-91526481799D}\CurrentState
Sets value: "StateValue"
With data: "0x00000003"



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.



Additional information

Creates a mutex

This threat can create a mutex on your PC. For example:

• FirefoxStartupMutex

It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.



This malware description was published using automated analysis of file SHA1 d4629e817af4d14fc67c430e2841b8f400690655.

Symptoms

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

• You see registry modifications such as:
  
  • In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    Sets value: "ApleData"
    With data: "%APPDATA%\application.exe"
    
    
  • In subkey: HKLM\Software\Google\Update\ClientState\{430FD4D0-B729-4F61-AA34-91526481799D}\CurrentState
    Sets value: "StateValue"
    With data: "0x00000003"
    
    

• You see the following mutex:
  • FirefoxStartupMutex

Last update 16 October 2015

 

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