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TrojanProxy:MSIL/Segyroxb.A

First posted on 28 October 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanProxy:MSIL/Segyroxb.A.

Explanation :

Threat behavior

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

• %TEMP%\vbgg.exe

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



Payload


Connects to a remote host

We have seen this threat connect to a remote host, including:

• imgforus.net 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

We have seen this threat access online content, including:

• vbgg.exe

Additional information

Creates a mutex

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

• d7eb5c48-5cc2-11e5-ac62-00155d001000

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 d9f6235440074659b2b56b35dc77c507e7ac45f2.

Symptoms

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

• You see a file similar to:
  • %TEMP%\vbgg.exe

• You see the following mutex:
  • d7eb5c48-5cc2-11e5-ac62-00155d001000

Last update 28 October 2015

 

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