JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLW.Autoruner1.28409
Added to the Dr.Web virus database:
2012-10-21
Virus description added:
2012-10-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '%WINDIR%\Tsvchost.exe' = '%WINDIR%\Tsvchost.exe'
Creates the following files on removable media:
<Drive name for removable media>:\Desktop.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\ftp.exe' = '<SYSTEM32>\ftp.exe:*:Enabled:Windows Update'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Tsvchost.exe' = '%WINDIR%\Tsvchost.exe:*:Enabled:Windows Update'
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
Windows Task Manager (Taskmgr)
Registry Editor (RegEdit)
Creates and executes the following:
Executes the following:
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\ /v "DisableRegistryTools" /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "<SYSTEM32>\ftp.exe" /d "<SYSTEM32>\ftp.exe:*:Enabled:Windows Update" /f
<SYSTEM32>\reg.exe ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\ /v "DisableTaskmgr" /t REG_DWORD /d 1 /f
<SYSTEM32>\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Tsvchost.exe" /d "%WINDIR%\Tsvchost.exe:*:Enabled:Windows Update" /f
<SYSTEM32>\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "%WINDIR%\Tsvchost.exe" /t REG_SZ /d "%WINDIR%\Tsvchost.exe" /f
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Desktop.exe
<Drive name for removable media>:\autorun.inf
Deletes the following files:
<Drive name for removable media>:\autorun.inf
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WINHELP' WindowName: ''
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK