A-Trojan (1.5)
Server name: A-Trojan
Version: 1.5
Different versions: NA
Tested: Yes, on Windows 95 and Windows NT
Server size: 316K
Server files: Server.exe
Server icon:

Infects: Windows 95/98/ME/NT/2000
Autoloads: Registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ Key: Rundll16
Default port: 170 TCP
Can port be changed: Yes

Server Features

  • Capture screen
  • Change registered window owner
  • Change sound properties
  • Change title bar of IE
  • Chat with server
  • Close server
  • Control mouse
  • Delete autoexec.bat, config.ini, command.com or favorites
  • Destroy floppy
  • Destroy everything (?)
  • Disable/Enable Menu
  • Disable/Enable Task bar
  • Fill hard drive
  • FTP server
  • Get cached passwords (?)
  • Get information
  • Hide/Show Task bar
  • Make mouse go crazy
  • Monitor on/off
  • Open/Close CD-Rom
  • Print various ascii art or text
  • Remove server
  • Restart computer
  • Send commands
  • Send message
  • Send to url
  • Start/stop beeps
  • View running applications (?)

 
Comments 
A-Trojan 1.5 is a Portuguese trojan. We had to translate the client with a online service so it may not be correct. This trojan does have a few destructive features such as deleting critical files.

How To Remove 
Quick fix: no quick fix programs
Manual removal:

  1. Remove the Rundll16 key in the registry located at HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run  Which can be done with regedit or any other registry editing program. 
  2. Reboot the computer or close rundll16.exe.
  3. Delete the trojan file rundll16.exe in the windows directory and MdiHole.exe, MsDecay.scr, Msvsrv.exe and watching.dll in the windows system directory. 

 
Related 
Article: General removal info
Section: Test your knowledge, take our Trojan Quiz
Service: Trojan removal
Service: Tell a friend about this trojan
Service: Print this page
 
 
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