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Win32.HLLW.Autoruner1.33453
Added to the Dr.Web virus database:
2013-02-07
Virus description added:
2014-07-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'COM_LOADER' = '\\.\%PROGRAM_FILES%\PDF_Reader\bin\COM7.EXE'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\PDF Reader Launcher.exe
Creates the following files on removable media:
<Drive name for removable media>:\Alcohol Soft.lnk
<Drive name for removable media>:\Recycled.lnk
<Drive name for removable media>:\PDF_Reader FULL.exe.exe
<Drive name for removable media>:\RECYCLED\TasksSvc.exe
Malicious functions:
Creates and executes the following:
'%TEMP%\Rar$EX7.sr77\COM7.EXE'
'%TEMP%\Rar$EX7.sr77\ashcv.exe'
Executes the following:
'<SYSTEM32>\reg.exe' ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v COM_LOADER /d "\\.\%PROGRAM_FILES%\PDF_Reader\bin\COM7.EXE"
'<SYSTEM32>\cmd.exe' /c ""%TEMP%\.bat" "
Modifies file system :
Creates the following files:
%TEMP%\Rar$EX7.sr77\pipe.Ex77.tmp
%PROGRAM_FILES%\PDF_Reader\bin\COM7.EXE
%PROGRAM_FILES%\PDF_Reader\PDF_Reader.exe
%TEMP%\Rar$EX7.sr77\ashcv.exe
%TEMP%\Rar$EX7.sr77\COM7.EXE
%TEMP%\.bat
Deletes the following files:
<SYSTEM32>\rsaci.rat
<SYSTEM32>\cmos.ram
Network activity:
Connects to:
UDP:
DNS ASK www.ib###e.eb2a.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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