W32.Gaut.A is a nasty worm that propagates on messaging applications, network and local removable media storage devices. Autorun.inf file will start the W32.Gaut.A each time the infected drive is accessed.

Alias: W32/AutoRun-XE

Damage Level: Low

Systems Affected: Windows

Manual Removal of W32.Gaut.A

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_CURRENT_USER\Software\Microsoft\Windows\Current Version\Run\”Yahoo Messengger” = “C:\WINDOWS\system32\chrome.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\WorkgroupCrawler\Shares\”shared” = “\New Folder.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer\”NofolderOptions” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System\”DisableTaskMgr” = “1″
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System\”DisableRegistryTools” = “1″

Restore the following registry entries to their previous values, if required:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Winlogon\”Shell” = “Explorer.exe chrome.exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\”Default_Page_URL” = “http://h1.ripway.com/poojasharma2/index.html”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\”Default_Search_URL” = “http://h1.ripway.com/poojasharma2/index.html”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\”Search Page” = “http://h1.ripway.com/poojasharma2/index.html”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\”Start Page” = “http://h1.ripway.com/poojasharma2/index.html”
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\”Start Page” = “http://h1.ripway.com/poojasharma2/index.html”
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services \Schedule\”NextAtJobId” = “2″

6. Exit registry editor and restart the computer.
7. Extract original Windows compressed file. [how to]

8. Restore the default settings in Internet Explorer
- Click Start > Settings > Control Panel
- Select Internet Options
- Select the Programs tab
- Click Reset Web Settings
- Click OK
- Exit the Control Panel

9. 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.