Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yoefiy' = '%HOMEPATH%\yoefiy.exe /h'
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Private.lnk
- <Drive name for removable media>:\Favourites.lnk
- <Drive name for removable media>:\Movies.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Search.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\I love you.exe
- <Drive name for removable media>:\yoefiy.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Naked.exe
- <Drive name for removable media>:\Secret Folder.lnk
- <Drive name for removable media>:\Password.exe
- <Drive name for removable media>:\Webcam.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%\yoefiy.exe'
Executes the following:
- '<SYSTEM32>\route.exe' add 77.234.40.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 95.211.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 195.122.128.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 72.32.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 46.4.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 161.69.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 58.27.64.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 195.27.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 62.128.100.0/23 0.0.0.0
- '<SYSTEM32>\route.exe' add 85.12.0.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 67.15.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.60.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 216.239.32.0/19 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.54.0.0/15 0.0.0.0
- '<SYSTEM32>\route.exe' add 65.52.0.0/14 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.56.0.0/14 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.165.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.166.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.167.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.164.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 74.125.0.0/16 0.0.0.0
Modifies file system :
Creates the following files:
- %HOMEPATH%\RCX8.tmp
- %HOMEPATH%\RCX9.tmp
- %HOMEPATH%\RCX6.tmp
- %HOMEPATH%\RCX7.tmp
- %HOMEPATH%\RCXA.tmp
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\c\Games.exe
- %HOMEPATH%\RCXB.tmp
- %HOMEPATH%\RCXC.tmp
- %HOMEPATH%\RCX5.tmp
- %HOMEPATH%\2.exe
- %HOMEPATH%\RCX1.tmp
- %HOMEPATH%\yoefiy.exe
- %HOMEPATH%\1.exe
- %HOMEPATH%\3.exe
- %HOMEPATH%\4.exe
- %HOMEPATH%\RCX4.tmp
- %HOMEPATH%\RCX2.tmp
- %HOMEPATH%\RCX3.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\yoefiy.exe
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\yoefiy.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %HOMEPATH%\1.exe
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\c\Games.exe
- %HOMEPATH%\2.exe
- %HOMEPATH%\3.exe
- %HOMEPATH%\4.exe
Moves the following files:
- from %HOMEPATH%\RCX9.tmp to %HOMEPATH%\3.exe
- from %HOMEPATH%\RCX8.tmp to %HOMEPATH%\3.exe
- from %HOMEPATH%\RCX7.tmp to %HOMEPATH%\2.exe
- from %HOMEPATH%\RCXC.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCXB.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCXA.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\3.exe
- from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\3.exe
- from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\2.exe
- from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\4.exe
Network activity:
Connects to:
- 'ns#.#nsfor4.com':7008
- 'ns#.#nsfor3.com':7008
- 'ns#.#nsfor5.com':7008
- 'ns#.#nsfor7.com':7008
- 'ns#.#nsfor6.com':7008
- 'ns#.#nsfor.net':7008
- 'ns#.#nsfor1.com':7008
- 'ns#.#nsfor0.com':7008
- 'ns#.#nsfor1.net':7008
- 'ns#.#nsfor2.com':7008
- 'ns#.#nsfor1.org':7008
UDP:
- DNS ASK ns#.#nsfor4.com
- DNS ASK ns#.#nsfor3.com
- DNS ASK ns#.#nsfor5.com
- DNS ASK ns#.#nsfor7.com
- DNS ASK ns#.#nsfor6.com
- DNS ASK ns#.#nsfor.net
- DNS ASK ns#.#nsfor1.com
- DNS ASK ns#.#nsfor0.com
- DNS ASK ns#.#nsfor1.net
- DNS ASK ns#.#nsfor2.com
- DNS ASK ns#.#nsfor1.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
