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Backdoor:MSIL/IRCbot.J


First posted on 18 June 2015.
Source: Microsoft

Aliases :

There are no other names known for Backdoor:MSIL/IRCbot.J.

Explanation :

Threat behavior

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

  • %APPDATA% \local\temp\lx0q0.exe
  • %APPDATA% \roaming\lolclient\local store\rhthrdhgh.exe


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



Payload


Allows backdoor access and control

This threat can give a malicious hacker access and control of your PC. They can then perform a number of different actions, such as:

  • Deleting files
  • Downloading and running files
  • Logging your keystrokes or stealing your sensitive data
  • Modifying your system settings
  • Running or stopping applications
  • Spreading malware to other PCs
  • Uploading files


Additional information

Creates a mutex

This threat can create one or more mutexes on your PC. For example:

  • rtuyetuuejytryktrykrty
  • rtuyetuuejytryktrykrtyppp


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 acf95d640c0293e45ad42e6fa80ca735d01f7aad.

Symptoms

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

  • You see a file similar to:
    • %APPDATA%\local\temp\lx0q0.exe
    • %APPDATA%\roaming\lolclient\local store\rhthrdhgh.exe
  • You see the following mutex:
    • rtuyetuuejytryktrykrty
    • rtuyetuuejytryktrykrtyppp

Last update 18 June 2015

 

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