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TrojanDownloader:Win32/Quireap.B

First posted on 07 October 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Quireap.B.

Explanation :

Threat behavior

Installation

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:

• get.int-cp3-234.xyz using port 80
• int-cp4-234.xyz 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 one or more mutexes on your PC. For example:

• {C20CD437-BA6D-4ebb-B190-70B43DE3B0F3}
• 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 348264941e0b52d4d12f4174ea9e9af079b646e7.

Symptoms

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

• You see the following mutex:
  • {C20CD437-BA6D-4ebb-B190-70B43DE3B0F3}
  • FirefoxStartupMutex

Last update 07 October 2015

 

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