W2KM_DROPPER.PE

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:

• {malware path}\Secretary of Navy to Malaysia - 5-7 April.doc

It drops and executes the following files:

• %User Temp%\helloworld.vbs - deletes the executed document file
• %User Temp%\{file name}.js
  {file name} can be any of the following:
  • RpcEptMapper
  • SstpSvc
  • TapiSrv
  
  

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