Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'piuibu' = '%HOMEPATH%\piuibu.exe /d'
Creates the following files on removable media:
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\piuibu.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\piuibux.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- %HOMEPATH%\piuibu.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\piuibu.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\piuibu.exe
- <Drive name for removable media>:\piuibux.exe
- %HOMEPATH%\piuibu.exe
- <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
- 'ns#.###eo-shares.com':8000
UDP:
- DNS ASK ns#.###eo-shares.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''