Win32.HLLO.Blop.158
Added to the Dr.Web virus database:
2012-08-17
Virus description added:
2012-09-07
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sapisvr.exe.pif
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\shlibsign.exe.pif
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\ZA5U4] 'Start' = '00000002'
- [<HKLM>\SYSTEM\ControlSet001\Services\VPKQ7] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %PROGRAM_FILES%\2ZDYL9ETA5TJ.exe rb
- %PROGRAM_FILES%\2ZDYL9ETA5TJ.exe <Full path to virus>
Executes the following:
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
- <SYSTEM32>\reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
- <SYSTEM32>\regsvr32.exe /s jscript.dll
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
- <SYSTEM32>\regsvr32.exe /u /s shimgvw.dll
- <SYSTEM32>\sc.exe create ZA5U4 BinPath= "%PROGRAM_FILES%\WUQAHNW6\KYLO7II0.EXE -VHORJQUZ9QD" type= own type= interact start= auto DisplayName= 0C6G5UV
- <SYSTEM32>\cmd.exe /c "%PROGRAM_FILES%\OH3TT.bat"
- <SYSTEM32>\regsvr32.exe /u /s vbscript.dll
- <SYSTEM32>\regsvr32.exe /u /s scrrun.dll
- <SYSTEM32>\regsvr32.exe /u /s itss.dll
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\Messenger\msmsgs.exe.com
- %PROGRAM_FILES%\Internet Explorer\iedw.exe.com
- %PROGRAM_FILES%\MSN\MSNCoreFiles\Install\MSN9Components\Digcore.exe.com
- %PROGRAM_FILES%\Movie Maker\moviemk.exe.com
- %PROGRAM_FILES%\FireFox\xpidl.exe.com
- %PROGRAM_FILES%\FireFox\xpcshell.exe.com
- %PROGRAM_FILES%\Internet Explorer\Connection Wizard\icwconn1.exe.com
- %PROGRAM_FILES%\FireFox\xpt_dump.exe.com
- %PROGRAM_FILES%\MSN\MSNCoreFiles\Install\msnsusii.exe.com
- %PROGRAM_FILES%\Windows NT\dialer.exe.com
- %PROGRAM_FILES%\Windows NT\Accessories\wordpad.exe.com
- %TEMP%\RGI1.tmp
- %PROGRAM_FILES%\WUQAHNW6\KYLO7II0.EXE.com
- %PROGRAM_FILES%\NetMeeting\cb32.exe.com
- %PROGRAM_FILES%\MSN Gaming Zone\Windows\bckgzm.exe.com
- %PROGRAM_FILES%\Windows Media Player\migrate.exe.com
- %PROGRAM_FILES%\Outlook Express\msimn.exe.com
- %PROGRAM_FILES%\FireFox\updater.exe.com
- %CommonProgramFiles%\Microsoft Shared\DW\DW20.EXE.com
- %WINDIR%\HQPAMW2IL.exe
- %CommonProgramFiles%\Microsoft Shared\MSInfo\msinfo32.exe.com
- %CommonProgramFiles%\Microsoft Shared\DW\DWTRIG20.EXE.com
- %PROGRAM_FILES%\WUQAHNW6\KYLO7II0.EXE
- %PROGRAM_FILES%\2ZDYL9ETA5TJ.exe
- %PROGRAM_FILES%\2ZDYL9ETA5TJ.exe.com
- %PROGRAM_FILES%\OH3TT.bat
- %CommonProgramFiles%\Microsoft Shared\Speech\sapisvr.exe.com
- %PROGRAM_FILES%\FireFox\plugin-container.exe.com
- %PROGRAM_FILES%\FireFox\nsinstall.exe.com
- %PROGRAM_FILES%\FireFox\uninstall\helper.exe.com
- %PROGRAM_FILES%\FireFox\shlibsign.exe.com
- %PROGRAM_FILES%\FireFox\firefox.exe.com
- %PROGRAM_FILES%\FireFox\crashreporter.exe.com
- %PROGRAM_FILES%\FireFox\mangle.exe.com
- %PROGRAM_FILES%\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: 'KDEPKPXCEVQDPU' WindowName: 'wrcpwzieotghqd'
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