Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pvviuh' = '%HOMEPATH%\pvviuh.exe /c'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pvviuh.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
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX6.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system:
Creates the following files:
- %HOMEPATH%\pvviuh.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\pvviuh.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pvviuh.exe
Deletes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords.exe
Substitutes the following files:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
- '%HOMEPATH%\pvviuh.exe'