HKTL_DOSER

This hacking tool 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 hacking tool 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 hacking tool drops the following files:

• %Temporary Internet Files%\Content.IE5\4DI5Y7AN\uoo[2].js
• %Temporary Internet Files%\Content.IE5\65AR4NUL\CA7RMJUP.htm

(Note: %Temporary Internet Files% is the Temporary Internet Files folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temporary Internet Files on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Microsoft\Windows\Temporary Internet Files on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), and Windows Server 2008; C:\Users\{user name}\AppData\Local\Microsoft\Windows\INetCache on Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), and Windows Server 2012.)

Other Details

This hacking tool connects to the following possibly malicious URL:

• www.{BLOCKED}s-online.com/usuarios.php?v=fireflood
• {BLOCKED}c.usuarios-online.com/uoo.js?&v=fireflood
• {BLOCKED}k.usuarios-online.com/listener.php?_oldDomain=fireflood&_url=about%3Ablank&callback=function(data)%7Bif(data.status%3D%3D'ok')%7Bthis.linkObj.href%3Dthis.baseUrl%2B%20data.id%2B'%2F'%3Bthis.updateCounter(data.domainSessionCount)%3Bif(data.remoteJavaScript)%7Beval(data.remoteJavaScript)%3B%7D%7Delse%7Bthis.updateCounter('%3F')%3B%7D%7D