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Win32.HLLW.Autoruner.53784
Added to the Dr.Web virus database:
2011-07-09
Virus description added:
2011-07-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'koiip' = '%HOMEPATH%\koiip.exe /F'
[<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\150851456] 'Name' = '"%TEMP%\3.tmp"'
Creates the following files on removable media:
<Drive name for removable media>:\koiip.exe
<Drive name for removable media>:\ihE.ico
<Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
%HOMEPATH%\vob32.exe
%HOMEPATH%\koiip.exe
%HOMEPATH%\jestle.exe
%HOMEPATH%\h564XWZdO8.exe
%HOMEPATH%\iestle.exe
Executes the following:
Injects code into
the following system processes:
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
%HOMEPATH%\koiip.exe
%HOMEPATH%\vob32.dll
%WINDIR%\Temp\4.tmp
%TEMP%\2.tmp
%HOMEPATH%\iestle.exe
%HOMEPATH%\h564XWZdO8.exe
%HOMEPATH%\vob32.exe
%HOMEPATH%\jestle.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\ihE.ico
<Drive name for removable media>:\autorun.inf
%HOMEPATH%\koiip.exe
Deletes the following files:
%WINDIR%\Temp\4.tmp
<DRIVERS>\etc\hosts
%TEMP%\3.tmp
Network activity:
Connects to:
TCP:
HTTP POST requests:
bu###ogin.net/?in##############################################################################################################
UDP:
DNS ASK go##le.ae
DNS ASK bu###ogin.net
DNS ASK ik##.com
DNS ASK si###ell.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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