Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '<Virus name>.exe' = '%PROGRAM_FILES%\mvcast\<Virus name>.exe'
Malicious functions:
Executes the following:
- <SYSTEM32>\schtasks.exe /create /sc onlogon /tn "<Virus name>.exe" /tr "\"%PROGRAM_FILES%\mvcast\<Virus name>.exe"\" /rl highest
Modifies file system :
Creates the following files:
- %PROGRAM_FILES%\mvcast\<Virus name>.exe
Network activity:
Connects to:
- '21#.#0.4.166':80
- 'na##r.com':80
TCP:
HTTP GET requests:
- 21#.#0.4.166/boot.asp?mo###########
- 21#.#0.4.166/dfile.txt
- 21#.#0.4.166/install.asp?ma############################
- na##r.com/
- 21#.#0.4.166/update/version.txt
UDP:
- DNS ASK na##r.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
