-*- mode: outline; coding: utf-8 -*-

* Rootkit.

** Debian.

  $ sudo apt-get install rkhunter chkrootkit

*** rkhunter.

  $ sudo rkhunter -c
...

  http://www.rootkit.nl/projects/rootkit_hunter.html

***

  $ sudo chkrootkit
...

* Debian.

** ClamAV.

anti-virus utility for Unix.

  $ sudo apt-get install clamav

* Windows.

** Free.

*** Microsoft Security Essentials.

  http://en.wikipedia.org/wiki/Microsoft_Security_Essentials

*** Avast.

Free Antivirus is free only for personal and non-commercial use.

  http://www.avast.com/

*** AVG.

30-free trial.

  http://free.avg.com/ww-en/download-free-trial

** Non free.

*** Nod32.

**** Nod32 removal.

Disable nod32 services by 'msconfig' utility.

Remove such keys from registry by 'regedit':

  HKEY_LOCAL_MACHINE\SOFTWARE\ESET
  HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NOD32DRV
  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\eamon  ==>
                ... easdrv easdrv EhttpSrv ekrn epfw Epfwndis epfwtdi

* Free online virus scaner.

  http://virscan.org
  http://virusscan.jotti.org/ru
  http://www.virustotal.com