Win32.HLLW.Autoruner2.13585
Added to the Dr.Web virus database:
2014-05-02
Virus description added:
2014-05-03
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ciuwees' = '%HOMEPATH%\ciuwees.exe /E'
Creates the following files on removable media:
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\DMXz.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\ciuwees.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\ciuweesx.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>:\ciuwees.exe
- <Drive name for removable media>:\ciuweesx.exe
- <Drive name for removable media>:\DMXz.ico
- %HOMEPATH%\ciuwees.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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