Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\yrznz68m.lnk
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\Google\Google Talk\Accounts]
- [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\MSNMessenger]
- [<HKCU>\Software\Yahoo\Pager]
- [<HKCU>\Software\Microsoft\IdentityCRL]
- [<HKCU>\Software\Microsoft\Windows Live Mail]
Searches for windows to
detect programs and games:
- ClassName: '', WindowName: 'Yahoo! Messenger'
Modifies file system
Creates the following files
- %APPDATA%\qjklnnl94gd8\1243.xml
- %TEMP%\81oczkmtw4.ini
- %TEMP%\7yi4udtl0o.ini
- %TEMP%\lpgoz2yimt.ini
- %TEMP%\fo6wd1suko.ini
Deletes the following files
- %TEMP%\81oczkmtw4.ini
- %TEMP%\7yi4udtl0o.ini
- %TEMP%\lpgoz2yimt.ini
- %TEMP%\fo6wd1suko.ini
Moves the following files
- from %APPDATA%\qjklnnl94gd8\1243.xml to %APPDATA%\qjklnnl94gd8\bhii9fwliivl.exe
Network activity
UDP
- DNS ASK no###.hostei.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' ' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\81OcZkMTw4.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\tJPx0GzH9f.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\7yi4udtL0o.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\NmB3N4jTHF.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\lPGoZ2Yimt.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\XcdplkAkfR.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\FO6wD1sukO.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\2ZZeMs2IWH.ini"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /scomma "%TEMP%\ahFKc7fMvA.ini"
