Win32.HLLW.Autoruner2.36910
Added to the Dr.Web virus database:
2018-04-21
Virus description added:
2018-04-21
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yiupeos' = '%HOMEPATH%\yiupeos.exe /r'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\yiupeos.exe
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX2.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\yiupeos.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
Substitutes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
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