W32.Sality.AE is a trojan that will modify Windows registry and add an entry so that it can bypass installed firewall. Another payload is to download and execute additional threats from a remote server. W32.Sality.AE can spread on computers by infecting executable files on local and remote drives.

Other Alias:

  • TROJ_AGENT.XOO 
  • W32/Sality.ae
  • Sality.AG
  • Win32/Sality.Z
  • Win32/Sality.AA

Threat Level: Low

Systems Affected: Windows - All

Source:Symantec

Manual Removal of W32.Sality.AE

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 entry:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\Standard Profile\AuthorizedApplications\List\”[INFECTED FILE]” = “[INFECTED FILE]:*:Enabled:ipsec”

Navigate to and delete the following registry subkeys:
HKEY_CURRENT_USER\Software\[USER NAME]914
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_WMI_MFC_TPSHOKER_80
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_IPFILTERDRIVER

Navigate to and restore the following registry entries to their previous values, if required:
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Internet Setting\”GlobalUserOffline” = “0″
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\policies\system\”EnableLUA” = “0″
 
Navigate to and restore registry entries under the following registry subkeys to their previous values, if required:
HKEY_CURRENT_USER\System\CurrentControlSet\Control\SafeBoot
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Ext\Stats
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Ext\Stats
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Ext\Stats
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Ext\Stats
HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Explorer\Browser Helper Objects
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Explorer\Browser Helper Objects

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.