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Backdoor:Win32/Farfli.BJ

First posted on 03 September 2015.
Source: Microsoft

Aliases :

There are no other names known for Backdoor:Win32/Farfli.BJ.

Explanation :

Threat behavior

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

• %CommonProgramFiles%\microsoft shared\triedit\ravcplscv.exe

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

In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Sets value: "RTHDVCPL32"
With data: ""%CommonProgramFiles%\microsoft shared\triedit\ravcplscv.exe" -sv"


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

Connects to a remote host

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

• count34.51yes.com using port 80
• task.dns-syn.com using port 8090

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

This malware description was published using automated analysis of file SHA1 0e691dc3e21f7a5fb42d5978835ea0aa65774208.

Symptoms

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

• You see a file similar to:
  • %CommonProgramFiles%\microsoft shared\triedit\ravcplscv.exe

• You see registry modifications such as:
  
  • In subkey: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    Sets value: "RTHDVCPL32"
    With data: ""%CommonProgramFiles%\microsoft shared\triedit\ravcplscv.exe" -sv"
    
    

Last update 03 September 2015

 

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