RANSOM_WILCRYPT.A

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan drops the following files:

• %User Profile%\Pictures\demo\wilcrypt.html {Ransom note}

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This Trojan connects to the following URL(s) to get the affected system's IP address:

• https://api.{BLOCKED}y.org?format=json

It renames encrypted files using the following names:

• {original file name}.wilcrypt

It does the following:

• It encrypts files on the following file path
  • %User Profile%\Pictures\demo\

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

NOTES:

It displays the following message box when executed:

It displays the following ransom note when it is able to successfully encrypt files: