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Ransom:Win32/Empercrypt.A

First posted on 23 February 2016.
Source: Microsoft

Aliases :

There are no other names known for Ransom:Win32/Empercrypt.A.

Explanation :

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

• %LOCALAPPDATA%\del.bat
• %LOCALAPPDATA%\system.exe

Payload


Connects to a remote host

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

• blockchain.info using port 443

blockchain.info is a legitimate BitCoin 3rd party site being used by the malware for its activity. It is possible that the site is used by the malware perpetrators in two ways:

• Test for internet status by trying to connect to it
• Facilitate ransom related-payment using BitCoin

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 038e914934edd96e0eb50ee25d5724f502b58f4f.

Last update 23 February 2016

 

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