Win32.HLLW.Autohit.13952

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe' = '%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Roaming\cryptish.exe' = '%APPDATA%\Roaming\cryptish.exe:*:Enabled:Windows Messanger'
[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'

Executes the following:

'<SYSTEM32>\reg.exe' -u -p 516 -s 4
'<SYSTEM32>\reg.exe'
'<SYSTEM32>\conhost.exe'
'<SYSTEM32>\conhost.exe' /pid=3016
'<SYSTEM32>\reg.exe' /pid=1932
'<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
'%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe'
'<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /t REG_SZ /d "%WINDIR%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe:*:Enabled:Windows Messanger" /f
'<SYSTEM32>\reg.exe' /pid=2980
'<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Roaming\cryptish.exe" /t REG_SZ /d "%APPDATA%\Roaming\cryptish.exe:*:Enabled:Windows Messanger" /f

Injects code into

the following system processes:

Modifies file system :

Creates the following files:

%APPDATA%\Roaming\cryptish.exe
%APPDATA%\Roaming\123
%HOMEPATH%\Y55M18.EI9
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Virus name>.exe
%TEMP%\aut58AA.tmp

Sets the 'hidden' attribute to the following files:

Deletes the following files:

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: