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TrojanDownloader:Win32/Zeagle.G


First posted on 10 August 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Zeagle.G.

Explanation :

Threat behavior

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

  • %APPDATA%\googletoolbarnotifier.exe


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: "Barra de Busca do Google"
With data: ""%APPDATA%\googletoolbarnotifier.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.



Connects to a remote host

We have seen this threat connect to a remote host, including:
  • www.culinariabrasil.info using port 80
  • www.automodelo.info using port 80
  • www.netgol.com using port 80
Malware can connect to a remote host to do any of the following:
  • Check for an Internet connection
  • Download and run files (including updates or other malware)
  • Report a new infection to its author
  • Receive configuration or other data
  • Receive instructions from a malicious hacker
  • Search for your PC location
  • Upload information taken from your PC
  • Validate a digital certificate


Additional information

Creates a mutex

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

  • 456895458k75


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 da4cc8038eca0a1a80c0e0cc63d4cbb89aacd4cb.

Symptoms

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

  • You see a file similar to:
    • %APPDATA%\googletoolbarnotifier.exe
  • You see registry modifications such as:
    • In subkey: HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
      Sets value: "Barra de Busca do Google"
      With data: ""%APPDATA%\googletoolbarnotifier.exe""
  • You see the following mutex:
    • 456895458k75

Last update 10 August 2015

 

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