Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Window (Dllchec.exe)' = '%TEMP%\opera.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Dllchec.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
- %TEMP%\opera.exe
Modifies file system :
Creates the following files:
- C:\Dllchec.exe
- C:\autorun.inf
- %TEMP%\opera.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Dllchec.exe
- C:\Dllchec.exe
Network activity:
Connects to:
- 'localhost':1037
- '92.#2.101.6':7911
