Malware Removal Guides » October 2, 2018: Manual Removal Guide for Win32.Autoit.obf

Manual Removal Guide for Win32.Autoit.obf

The following instructions have been created to help you to get rid of "Win32.Autoit.obf" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

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Threat Details:

Categories:
  • trojan

Description:
Win32.Autoit.obf uses AutoIt scripts to copy itself into specified folders of the operating system. Once run it connects to the Internet communicates with a server. Win32.Autoit.obf is often used by backdoors, password stealers and autorun worms.
Removal Instructions:

Autorun:

Please use Spybot-S&D, RunAlyzer or msconfig.exe to remove the following autorun entries.
  • Entries named "Microsoft Update" and pointing to "*\Temp\skyp\Microsoft Update.lnk".

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.
  • The file at "<$LOCALSETTINGS>\Temp\Skyp\Microsoft Update.lnk".
  • The file at "<$LOCALSETTINGS>\Temp\Skyp\Server.exe".
Make sure you set your file manager to display hidden and system files. If Win32.Autoit.obf uses rootkit technologies, use the rootkit scanner integrated into Spybot-S&D 2.x or our Total Commander anti-rootkit plugins.
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!

Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D to remove them.

Folders:

Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
  • The directory at "<$LOCALSETTINGS>\Temp\Skyp".
Make sure you set your file manager to display hidden and system files. If Win32.Autoit.obf uses rootkit technologies, use our RootAlyzer or our Total Commander anti-rootkit plugins.
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify folders!

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
  1. Please read these instructions before requesting assistance,
  2. Then start your own thread in the Malware Removal Forum where a volunteer analyst will advise you as soon as available.