Technical Information
Malicious functions:
Creates and executes the following:
- '' (downloaded from the Internet)
Modifies file system:
Creates the following files:
- %TEMP%\aut1.tmp
- %TEMP%\Ot
- <Current directory>\prteauth.exe
- <Current directory>\ouw2g4tc.bat
Deletes the following files:
- %TEMP%\aut1.tmp
- %TEMP%\Ot
Network activity:
Connects to:
- 'le#####s.freehostia.com':80
TCP:
HTTP GET requests:
- http://le#####s.freehostia.com/spacer/trail.php?id##
UDP:
- DNS ASK le#####s.freehostia.com
Miscellaneous:
Creates and executes the following:
- '<Current directory>\prteauth.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ouw2g4tc.bat
- '<SYSTEM32>\ping.exe' 127.0.0.1 -n 1
- '<SYSTEM32>\reg.exe' delete HKLM\SYSTEM\CurrentControlSet\Services\NetExtAuth /f
