Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /e'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\2363131776] 'Name' = '"%TEMP%\3.tmp"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Sxikihuvuw' = 'rundll32.exe "%WINDIR%\mshcs32.dll",Startup'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'pwdoal' = '%HOMEPATH%\pwdoal.exe /q'
Creates the following files on removable media:
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\xTO.ico
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pwdoal.exe
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\pwdoalx.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%\yoggy.exe
- %HOMEPATH%\pwdoal.exe
- %HOMEPATH%\W9YCs4kNf5a6.exe
- %HOMEPATH%\xoggy.exe
Executes the following:
- <SYSTEM32>\rundll32.exe "%WINDIR%\mshcs32.dll",iep
- <SYSTEM32>\tasklist.exe
- <SYSTEM32>\rundll32.exe "%WINDIR%\mshcs32.dll",Startup
Injects code into
the following system processes:
- <SYSTEM32>\spoolsv.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
Modifies file system :
Creates the following files:
- %WINDIR%\Temp\4.tmp
- %TEMP%\2.tmp
- %WINDIR%\avawiqin.dll
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\CAPWSJH1.php
- %HOMEPATH%\pwdoal.exe
- %HOMEPATH%\xoggy.exe
- %HOMEPATH%\W9YCs4kNf5a6.exe
- %WINDIR%\mshcs32.dll
- %HOMEPATH%\yoggy.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\pwdoal.exe
- <Drive name for removable media>:\pwdoalx.exe
- <Drive name for removable media>:\xTO.ico
- %HOMEPATH%\pwdoal.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %WINDIR%\Temp\4.tmp
- %HOMEPATH%\W9YCs4kNf5a6.exe
- %TEMP%\3.tmp
- <DRIVERS>\etc\hosts
Network activity:
Connects to:
- '11#####b0731.wikiva.net':80
- 'localhost':1035
UDP:
- DNS ASK 11#####b0731.wikiva.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
