Win32.HLLW.Autoruner2.37317
Added to the Dr.Web virus database:
2018-04-25
Virus description added:
2018-04-24
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tuuukil' = '%HOMEPATH%\tuuukil.exe /G'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\krAp.ico
- <Drive name for removable media>:\tuuukil.exe
- <Drive name for removable media>:\tuuukilx.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Video.lnk
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%\tuuukil.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\krAp.ico
- <Drive name for removable media>:\tuuukil.exe
- <Drive name for removable media>:\tuuukilx.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Creates and executes the following:
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