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Win32.HLLW.Autoruner1.24504
Added to the Dr.Web virus database:
2012-08-08
Virus description added:
2012-08-29
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] '(Default)' = '%CommonProgramFiles%\Microsoft Shared\web server extensions\c_936.com'
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe,C:\Far2\Plugins\WinSCP\release\c_10006.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'crnjeufu' = '%CommonProgramFiles%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_aut\ddeshare.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,C:\PROGRA~1\FireFox\chrome\en-US\locale\branding\dmstyle.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = '%PROGRAM_FILES%\FireFox\chrome\browser\content\diactfrm.exe'
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = 'C:\Documents and Settings\LocalService\Application Data\Microsoft\Credentials\S-1-5-19\chcp.pif'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] '(Default)' = '%ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\bthci.bat'
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'run' = 'C:\Documents and Settings\NetworkService\Application Data\ckcnv.com'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '%USERNAME%' = 'win.com C:\Far2\Plugins\Colorer\bin\country.sys'
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'System' = 'C:\Far2\Addons\XLat\Russian\comctl32.exe'
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\MsNet] 'ImagePath' = '%PROGRAM_FILES%\MSN Gaming Zone\c_28592.exe'
[<HKLM>\SYSTEM\ControlSet001\Services\MsNet] 'Start' = '00000002'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\avifile.dll
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
%ALLUSERSPROFILE%\Documents\My Music\bios1.exe Music\bios1.exe
%ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\autodisc.exe Data\Microsoft\Dr Watson\autodisc.exe
Modifies file system :
Creates the following files:
%PROGRAM_FILES%\FireFox\chrome\browser\content\diactfrm.exe
%PROGRAM_FILES%\FireFox\chrome\en-US\locale\branding\dmstyle.exe
%CommonProgramFiles%\Microsoft Shared\web server extensions\c_936.com
%CommonProgramFiles%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_aut\ddeshare.exe
%PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\xpinstall\driverdp.cmd
<Current directory>.exe
<Current directory>\af32d3b0.exe
C:\avtapi.dll
C:\autorun.inf
%PROGRAM_FILES%\MSN Gaming Zone\c_28592.exe
%ALLUSERSPROFILE%\Documents\My Music\bios1.exe
%ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\bthci.bat
%ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\autodisc.exe
C:\Documents and Settings\Default User\Application Data\Microsoft\SystemCertificates\My\CTLs\cc3270.exe
C:\Far2\Addons\XLat\Russian\comctl32.exe
C:\Far2\Plugins\WinSCP\release\c_10006.exe
C:\Documents and Settings\LocalService\Application Data\Microsoft\Credentials\S-1-5-19\chcp.pif
C:\Documents and Settings\NetworkService\Application Data\ckcnv.com
Sets the 'hidden' attribute to the following files:
%PROGRAM_FILES%\FireFox\chrome\en-US\locale\branding\dmstyle.exe
%PROGRAM_FILES%\FireFox\chrome\en-US\locale\en-US\global\xpinstall\driverdp.cmd
%CommonProgramFiles%\Microsoft Shared\web server extensions\40\_vti_bin\_vti_aut\ddeshare.exe
%PROGRAM_FILES%\FireFox\chrome\browser\content\diactfrm.exe
<Drive name for removable media>:\avifile.dll
<Drive name for removable media>:\autorun.inf
C:\avtapi.dll
C:\autorun.inf
%CommonProgramFiles%\Microsoft Shared\web server extensions\c_936.com
%ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\bthci.bat
C:\Documents and Settings\Default User\Application Data\Microsoft\SystemCertificates\My\CTLs\cc3270.exe
%ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\autodisc.exe
%ALLUSERSPROFILE%\Documents\My Music\bios1.exe
C:\Far2\Addons\XLat\Russian\comctl32.exe
C:\Far2\Plugins\WinSCP\release\c_10006.exe
C:\Documents and Settings\LocalService\Application Data\Microsoft\Credentials\S-1-5-19\chcp.pif
C:\Documents and Settings\NetworkService\Application Data\ckcnv.com
Deletes the following files:
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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