Skip to main content

Nilage.AUT

Classification

Category:

Malware

Type:

Trojan

Aliases:

  • Trojan-PSW.Win32.Nilage.aut
  • Trj/Lineage.BLQ
  • TSPY_NILAGE.AUT

Summary

Nilage.AUT, a variant of Nilage, is a Trojan. Nilage.AUT drops and loads a password stealing component on an infected system and steals sensitive information from an infected computer. Nilage.AUT attempts to download and install other malware to the system.

Removal

Technical Details

Once Nilage.AUT has been executed it will drop the following file:

  • %windir%\winpsfisle.dll

It will register its DLL component as a Browser Helper Object (BHO) so that every time Internet Explorer is loaded, Nilage.AUT is also loaded:

  • HKLM\SOFTWARE\Classes\CLSID\{267709FD-A691-43B0-BF38-0DF6887A9B44}\InProcServer32@ = "%windir%\winpsfisle.dll"

Everytime the DLL component is executed, it will drop and execute its .EXE component in the following path and filename:

  • %sysdir%\ExesFisle.exe

Payload

The main payload of Nilage.AUT is to steal information regarding Online games such as Lineage and Maple Story. Both are popular in Korea.

Nilage.AUT includes keylogging functionality.

Nilage.AUT steals information with regards to the following details:

Class Names

  • Internet Explorer_Server
  • Lineage
  • Lineage Windows Client
  • MapleStory
  • MapleStoryClass

Running Process Names

  • Angel.dat
  • Game.exe
  • IEXPLORE.EXE
  • Lineage
  • Lineage.exe
  • MapleStory.exe
  • NineDragons.EXE

Visited URL:

  • http://club.pchome.com.tw/
  • http://tw.gamania.com
  • http://tw.gamania.com/
  • http://tw.gamania.com/GHOME/Home_Center.ASP
  • http://tw.gamania.com/default.asp?user_locate=
  • http://tw.gashcard.gamania.com
  • http://tw.gashcard.gamania.com/
  • http://tw.gashcard.gamania.com/index.asp
  • http://tw.gashcard.gamania.com/space.htm
  • http://tw.login.yahoo.com/cgi-bin/login.cgi?srv=club
  • http://www.gamebase.com.tw/memberLogin.html
  • https://tw.gash.gamania.com
  • https://tw.gash.gamania.com/
  • https://tw.gash.gamania.com/Blank.aspx
  • https://tw.gash.gamania.com/GASHLogin.aspx
  • https://tw.gash.gamania.com/UpdateServiceAccountPassword.aspx?ServiceCode=600035
  • https://tw.goodlock.gamania.com
  • https://tw.goodlock.gamania.com/
  • https://tw.goodlock.gamania.com/GamaGoodLock.aspx
  • https://tw.goodlock.gamania.com/Index.aspx
  • https://tw.goodlock.gamania.com/ShowNew.aspx
  • https://tw.goodlock.gamania.com/index.aspx
  • https://user.gamer.com.tw/login.php

The gathered information including username and passwords are stored in this hard coded path and filename:

  • c:\6in1game.txt

Gathered information is sent to the hacker by posting the file to the following links:

  • http://www.y8ne.com/mail/upfilets.asp
  • http://www.y8ne.com/mail/upfile.asp

It also gathers data from these links for it malicious acts:

  • http://www.xxxxx.com/xiaozi/sendmailqimo.asp?tomail=163@163.com&mailbody=
  • http://www.y8ne.com/mail/1114.do?id=ad001&mailbody=

Asside from being a password stealer, Nilage.AUT is also a downloader. It downloads and executes other malware from the following link:

  • http://www.hackrmb.com/6an[REMOVED].exe

And saves the download to the following path name filename:

  • %windir%\java\classes\spoolsys.exe

To ensure that an error will not occur, it will delete the existing file before downloading the new file.

Note: As of this writing the link above is no longer available.

Nilage.AUT does not fully support all operating system:

  • Windows 2000 - Fully executes
  • Windows 9x - Executes, but with some errors
  • Windows XP - Does not execute properly

Nilage.AUT is coded using Borland Delphi.

Protect your devices from malware with F‑Secure Total

Protecting your devices from malicious software is essential for maintaining online security. F‑Secure Total makes this easy, helping you to secure your devices in a brilliantly simple way.

  • Award‑winning antivirus and malware protection

  • Online browsing, banking, and shopping protection

  • 24/7 online identity and data breach monitoring

  • Unlimited VPN service to safe­guard your privacy

  • Password manager with private data protection

Choose how many devices you want to protect to get started.

  • Free customer support

  • Cancel anytime

  • The trial does not obligate you to buy the product

After 30 days your subscription will renew automatically for one year at €69.99.

More Support

Community

Ask questions in our Community.

User guides

Check the user guide for instructions.

Contact Support

Chat with with or call an agent.

Submit a Sample

Submit a file or URL for analysis.