Ransom_ZGAMES.THAABFAH

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

It encrypts files with specific file extensions. It encrypts files found in specific folders. It drops files as ransom note.

Arrival Details

This Ransomware 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 Ransomware drops the following files:

• %Desktop%/test/READ_IT.txt

(Note: %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Information Theft

This Ransomware gathers the following data:

• Computer Name
• User Name
• Generated Keys (AES encrypted)

Stolen Information

This Ransomware sends the gathered information via HTTP POST to the following URL:

• http://{BLOCKED}tearundetectable.altervista.org/sqlServer.php?{Computer Name}-{User Name}%20{Key}

Ransomware Routine

This Ransomware encrypts files with the following extensions:

• txt
• doc
• docx
• xls
• xlsx
• ppt
• pptx
• odt
• jpg
• png
• csv
• sql
• mdb
• sln
• php
• asp
• aspx
• html
• xml
• psd

It encrypts files found in the following folders:

• %Desktop%/test/

(Note: %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\Desktop on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It appends the following extension to the file name of the encrypted files:

• .locked

It drops the following file(s) as ransom note:

• %Desktop%/test/READ_IT.txt