Win32.HLLW.Autoruner1.57536
Added to the Dr.Web virus database:
2013-10-04
Virus description added:
2013-10-04
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'lsssass' = '%APPDATA%\lsssass.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Mirc.exe
Malicious functions:
Creates and executes the following:
- '%APPDATA%\lsssass.exe'
- '%TEMP%\WFIZCEARZUAQQSUNRDMFKL.EXE'
- '%TEMP%\PONYRETNBYVLCQHICBGFTVT.EXE'
Executes the following:
- '<SYSTEM32>\ntvdm.exe' -f -i1
- '<SYSTEM32>\ntvdm.exe' -f -i2
- '<SYSTEM32>\net.exe' stop sharedaccess
- '<SYSTEM32>\net1.exe' stop sharedaccess
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\scs1.tmp
- %TEMP%\ZVFRHRMUMFZFBDQZXMEHBB.EXE
- %WINDIR%\Temp\scs2.tmp
- %WINDIR%\Temp\scs4.tmp
- %WINDIR%\Temp\scs3.tmp
- %TEMP%\LQZJUJEWOJAQQYCOVRYTASC.EXE
- %TEMP%\WFIZCEARZUAQQSUNRDMFKL.EXE
- %TEMP%\PONYRETNBYVLCQHICBGFTVT.EXE
- %APPDATA%\Dated.dat
- %APPDATA%\lsssass.exe
Deletes the following files:
- %WINDIR%\Temp\scs1.tmp
- %WINDIR%\Temp\scs4.tmp
- %WINDIR%\Temp\scs3.tmp
- %TEMP%\~DF6658.tmp
- %WINDIR%\Temp\scs2.tmp
Network activity:
Connects to:
- 'jo####win.no-ip.biz':2185
UDP:
- DNS ASK jo####win.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bc0.bc8.3b0002'
- ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bb4.bb8.3a0001'
- ClassName: 'Indicator' WindowName: '(null)'
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