Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%WINDIR%\Media\update.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = '%WINDIR%\Media\update.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%WINDIR%\Media\update.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%WINDIR%\Media\update.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{6HTVXM0P-E2CR-8778-8AOD-L34051IJ6W1E}] 'StubPath' = '%WINDIR%\Media\update.exe Restart'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{6HTVXM0P-E2CR-8778-8AOD-L34051IJ6W1E}] 'StubPath' = '%WINDIR%\Media\update.exe'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\explorer.exe
Modifies file system
Creates the following files
- %WINDIR%\media\update.exe
- %TEMP%\xx--xx--xx.txt
- %APPDATA%\logs.dat
- %TEMP%\xxx.xxx
- %TEMP%\uuu.uuu
Sets the 'hidden' attribute to the following files
- %WINDIR%\media\update.exe
- %APPDATA%\logs.dat
Deletes the following files
- %TEMP%\xx--xx--xx.txt
- %TEMP%\uuu.uuu
- %TEMP%\xxx.xxx
Substitutes the following files
- %TEMP%\uuu.uuu
- %TEMP%\xxx.xxx
Network activity
UDP
- DNS ASK di####ng.zapto.org
Miscellaneous
Creates and executes the following
- '%WINDIR%\media\update.exe'
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
- '%WINDIR%\syswow64\explorer.exe'
