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TrojanSpy:MSIL/Yakbeex.C

First posted on 20 October 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanSpy:MSIL/Yakbeex.C.

Explanation :

Threat behavior

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

• %ProgramData%\important.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: "bfaeb21127a172a84333ab46ce047218"
With data: "%ProgramData%\important.exe"


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



Payload


Collects your sensitive information

This threat can collect your sensitive information without your consent. This can include:

• The keys you press
• The applications you open
• Your web browsing history
• Your credit card information
• Your user names and passwords

It can also imitate a legitimate website to lure you into revealing your sensitive information.



Connects to a remote host

We have seen this threat connect to a remote host. 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 ca77233048c4f3acea54682e87b93e6aaee9e890.

Symptoms

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

• You see a file similar to:
  • %ProgramData%\important.exe

• You see registry modifications such as:
  
  • In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    Sets value: "bfaeb21127a172a84333ab46ce047218"
    With data: "%ProgramData%\important.exe"
    
    

Last update 20 October 2015

 

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