JavaScript support is required for our site to be fully operational in your browser.
Win32.HLLO.Blop.170
Added to the Dr.Web virus database:
2016-05-15
Virus description added:
2016-05-15
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
%ALLUSERSPROFILE%\Start Menu\Programs\Startup\helper.exe.pif
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\AISEX8CO] 'ImagePath' = '%WINDIR%\45KRC1FEMPV8.exe -QLPRLPI'
[<HKLM>\SYSTEM\ControlSet001\Services\AISEX8CO] 'Start' = '00000002'
Malicious functions:
Executes the following:
'<SYSTEM32>\regsvr32.exe' /u /s itss.dll
'<SYSTEM32>\regsvr32.exe' /u /s scrrun.dll
'<SYSTEM32>\regsvr32.exe' /u /s shimgvw.dll
'<SYSTEM32>\cmd.exe' /c "%ProgramFiles%\D39KA.bat"
'<SYSTEM32>\sc.exe' create G2X8RBinPath= "%ProgramFiles%\DQOQAWNK\9WK4YQEM.exe -start" type= own type= interact start= auto DisplayName= IRST43
Modifies file system:
Creates the following files:
%ProgramFiles%\Internet Explorer\iedw.exe.com
%ProgramFiles%\Internet Explorer\Connection Wizard\icwconn1.exe.com
%ProgramFiles%\Movie Maker\moviemk.exe.com
%ProgramFiles%\Messenger\msmsgs.exe.com
%ProgramFiles%\FireFox\xpcshell.exe.com
%ProgramFiles%\FireFox\updater.exe.com
%ProgramFiles%\FireFox\xpt_dump.exe.com
%ProgramFiles%\FireFox\xpidl.exe.com
%ProgramFiles%\MSN\MSNCoreFiles\Install\MSN9Components\Digcore.exe.com
%ProgramFiles%\Windows NT\Accessories\wordpad.exe.com
%ProgramFiles%\Windows Media Player\migrate.exe.com
%TEMP%\RGI1.tmp
%ProgramFiles%\Windows NT\dialer.exe.com
%ProgramFiles%\MSN Gaming Zone\Windows\bckgzm.exe.com
%ProgramFiles%\MSN\MSNCoreFiles\Install\msnsusii.exe.com
%ProgramFiles%\Outlook Express\msimn.exe.com
%ProgramFiles%\NetMeeting\cb32.exe.com
%CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.EXE.com
%CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE.com
%CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.exe.com
%WINDIR%\45KRC1FEMPV8.exe
%ProgramFiles%\BHOROYZ8.exe.com
%ProgramFiles%\BHOROYZ8.exe
%ProgramFiles%\D39KA.bat
%ProgramFiles%\DQOQAWNK\9WK4YQEM.exe
%CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.exe.com
%ProgramFiles%\FireFox\plugin-container.exe.com
%ProgramFiles%\FireFox\nsinstall.exe.com
%ProgramFiles%\FireFox\uninstall\helper.exe.com
%ProgramFiles%\FireFox\shlibsign.exe.com
%ProgramFiles%\FireFox\firefox.exe.com
%ProgramFiles%\FireFox\crashreporter.exe.com
%ProgramFiles%\FireFox\mangle.exe.com
%ProgramFiles%\FireFox\js.exe.com
Sets the 'hidden' attribute to the following files:
Deletes the following files:
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'NDLXSWWUPTO' WindowName: 'zqqxeyawhke'
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