Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\RECYCLER\crase.exe
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\crase.exe'
Executes the following:
- '<SYSTEM32>\attrib.exe' -a -r -s -h <Virus name>.exe
- '<SYSTEM32>\cmd.exe' /c ""<Current directory>\a.bat" "
Modifies file system :
Creates the following files:
- C:\tmp.avp
- <Current directory>\a.bat
- <SYSTEM32>\crase.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\RECYCLER\crase.exe
- <SYSTEM32>\crase.exe
Deletes the following files:
- %TEMP%\~DF2025.tmp
- %TEMP%\~DF2DA9.tmp
- C:\tmp.avp
- %TEMP%\~DF26E7.tmp
Deletes itself.