W32.Harakit is a worm that spreads on local and remote drives via autorun.inf file it created that executes malicious file whenever the drive is accessed. W32.Harakit can also propagate through instant messaging applications by sending maliciou links.

Other Alias:

  • Win32/Yahlover.DH
  • Packed.Win32.Klone.bj
  • Trojan.Autoit

Damage Level: Low

Systems Affected: Windows - All

Manual Removal of W32.Harakit

1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Delete/Modify any values added to the registry. [how to edit registry]

Navigate to and delete the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\policies\Explorer\Run\”cft[RANDOM CHARACTERS]” = “C:\WINDOWS\system32\cft[RANDOM CHARACTERS].exe”

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\policies\Explorer\Run\”csrcs” = “C:\WINDOWS\system32\csrcs.exe”

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Run\”cft[RANDOM CHARACTERS]” = “C:\WINDOWS\system32\cft[RANDOM CHARACTERS].exe”

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\RunServices\”cft[RANDOM CHARACTERS]” = “C:\WINDOWS\system32\cft[RANDOM CHARACTERS].exe”

Navigate to and delete the following registry subkeys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DRM
HKEY_LOCAL_MACHINE\SOFTWARE\ESET\Nod

Navigate to and restore the following registry entries, if necessary:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Winlogon\”Shell” = “Explorer.exe csrcs.exe”

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\Advanced\”ShowSuperHidden” = “0″

6. Exit registry editor and restart the computer.
7. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.