Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tgyeb' = '%HOMEPATH%\tgyeb.exe /X'
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\tgyeb.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Sexy.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%\tgyeb.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\tgyeb.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\tgyeb.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\tgyeb.exe
Deletes the following files:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
- '25#.#55.255.255':8000
UDP:
- DNS ASK ns#.##ayer1352.org
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
