Win32.HLLW.Autoruner2.38709
Added to the Dr.Web virus database:
2018-05-04
Virus description added:
2018-05-04
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /W'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wenug' = '%HOMEPATH%\wenug.exe /h'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\wlm.ico
- <Drive name for removable media>:\wenug.exe
- <Drive name for removable media>:\wenugx.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%\wenug.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\wlm.ico
- <Drive name for removable media>:\wenug.exe
- <Drive name for removable media>:\wenugx.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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