Win32.HLLW.Autoruner.60281
Added to the Dr.Web virus database:
2011-09-27
Virus description added:
2011-09-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sauyau' = '%HOMEPATH%\sauyau.exe /E'
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\sauyau.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Sexy.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\sauyau.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\sauyau.exe
Deletes the following files:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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