This is a typical boot sector virus. It contains the following text:
Welcome to BUPT 9146,Beijing!
The only special thing about this virus is that it does NOT store a copy of the original, clean partition sector elsewhere on the disk, so this virus is disinfected by overwriting it with clean code.Welcomb does nothing except spreads. It's very common everywhere in the world.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
More information on scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.